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Ando K, Fujiya M, Ito T, Sugiyama R, Nata T, Nomura Y, Ueno N, Kashima S, Ishikawa C, Inaba Y, Moriichi K, Okamoto K, Ikuta K, Tanabe H, Tokusashi Y, Miyokawa N, Watari J, Mizukami Y, Kohgo Y. A pseudosarcomatous lesion resembling a malignant tumor of the esophagocardiac junction, diagnosed by a total biopsy with endoscopic surgery. Endoscopy 2012; 44 Suppl 2 UCTN:E21-2. [PMID: 22396258 DOI: 10.1055/s-0031-1291502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Affiliation(s)
- K Ando
- Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
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2
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Sako K, Kimura T, Sawamura A, Yonemasu Y, Takahashi M, Miyokawa N. Prevention of CSF Leakage by Staged Operation for Clival Metastatic Tumor. Skull Base Surg 2011; 7:159-62. [PMID: 17171026 PMCID: PMC1656631 DOI: 10.1055/s-2008-1058608] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
The transoral approach is a direct route to the clivus. However, application of this approach is infrequent because of the risk of cerebrospinal fluid (CSF) fistula and subsequent meningitis. We report a case of clival metastatic tumor treated by staged operation without CSF leakage. A 39-year-old man was found to have a tumor in clivus extending to the intradural space. Two-staged resection through the lateral suboccipital and transoral approach was performed and the dural defect was replaced by a fascia in the first operation. CSF leakage was prevented by this procedure. The patient received radiotherapy postoperatively.
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Hayashi S, Kitada M, Ozawa K, Sato K, Hirata S, Tokusashi Y, Miyokawa N, Sasajima T. [Solitary fibrous tumor of the visceral pleura being suspected of chest wall origin: report of a case]. Kyobu Geka 2009; 62:1097-1100. [PMID: 19894579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
We report a case of a solitary fibrous tumor (SFT) of the pleura which is suspected of chest wall tumor. A 52-year-old female was admitted to our hospital because of epigastralgia and body weight loss. Chest X-ray and computed tomography showed a circumscribed mass of 35 x 22 mm in diameter arising from the parietal pleura. Positron emission tomography showed uptake valve of 1.5. SFT of chest wall origin was suspected and performed video-assisted thoracic surgery. The pedunculated tumor attached to the visceral pleura. The tumor was diagnosed as a benign SFT in intraoperative diagnosis. Long term clinical follow-up is recommended for patients with SFT, because the tumor recurrence and malignant transformation may occur in tumors with benign histological features.
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Affiliation(s)
- S Hayashi
- Department of Surgery, Asahikawa Medical College, Asahikawa, Japan
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4
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Bandoh N, Ogino T, Cho HS, Hur SY, Shen J, Wang X, Kato S, Miyokawa N, Harabuchi Y, Ferrone S. Development and characterization of human constitutive proteasome and immunoproteasome subunit-specific monoclonal antibodies. ACTA ACUST UNITED AC 2005; 66:185-94. [PMID: 16101829 DOI: 10.1111/j.1399-0039.2005.00462.x] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Delta (Y), MB1 (X), and Z are the three catalytic beta-subunits located in the inner rings of the constitutive proteasome, an intracellular multicatalytic complex responsible for the generation of peptides presented by human leukocyte antigen (HLA) class I antigens to T cells. When cells are incubated with interferon-gamma, delta (Y), MB1 (X), and Z are replaced by LMP2, LMP7, and LMP10, respectively, leading to the expression of immunoproteasome which generates peptides with increased affinity for HLA class I antigens. The characterization of the expression of constitutive proteasome and immunoproteasome subunits in cells, normal tissues, and malignant lesions has been hampered by the lack or limited availability of constitutive proteasome and immunoproteasome subunit-specific monoclonal antibodies (mAbs), which are suitable for immunohistochemical staining. To overcome this limitation, we generated human delta (Y), MB1 (X), Z, LMP2, LMP7, and LMP10-specific mAb-secreting hybridomas from BALB/c mice immunized with peptides and recombinant fusion proteins. The mAbs SY-5, SJJ-3, NB-1, SY-1, HB-2, and TO-7 were shown to be specific for delta (Y), MB1 (X), Z, LMP2, LMP7, and LMP10, respectively, as they react specifically with the corresponding molecules when tested with a human B lymphoid LG2 cell lysate in Western blotting and with the peptide derived from each molecule in enzyme-linked immunosorbent assay. The reactivity of the six mAbs with the corresponding intracellular antigens resulted in intracellular staining when the mAbs were tested with microwave-treated and saponin-permeabilized cells in indirect immunofluorescence and with formalin-fixed, paraffin-embedded tissue sections in immunohistochemical reactions. These results suggest that the constitutive proteasome and immunoproteasome subunit-specific mAbs we have developed are useful probes to characterize the expression of proteasome subunits in normal tissues and in pathological lesions.
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Affiliation(s)
- N Bandoh
- Department of Immunology, Roswell Park Cancer Institute, Buffalo, NY 14263, USA
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Kurihara M, Nakanishi K, Fujita Y, Nakao S, Nishigaki Y, Takeyama K, Nakajima S, Miyokawa N, Ohsaki Y. P-162 Color auto-fluorescence from cancer lesions: Improved detectionof central type lung cancer. Lung Cancer 2005. [DOI: 10.1016/s0169-5002(05)80656-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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6
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Ogino T, Wang X, Kato S, Miyokawa N, Harabuchi Y, Ferrone S. Endoplasmic reticulum chaperone-specific monoclonal antibodies for flow cytometry and immunohistochemical staining. ACTA ACUST UNITED AC 2003; 62:385-93. [PMID: 14617045 DOI: 10.1034/j.1399-0039.2003.00114.x] [Citation(s) in RCA: 77] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Endoplasmic reticulum (ER) chaperones of the antigen processing machinery play a crucial role in HLA class I antigen complex assembly and antigen presentation. The characterization of the expression of these chaperones in normal tissues and malignant lesions has been hampered by the lack or limited availability of ER chaperone-specific monoclonal antibodies (mAb) that are suitable for immunohistochemical staining. To overcome this limitation, we have generated human calnexin, ERp57, calreticulin and tapasin-specific mAb-secreting hybridomas from BALB/c mice immunized with peptides and recombinant proteins. The mAb TO-5, TO-2, TO-11 and TO-3 were shown to be specific for calnexin, ERp57, calreticulin and tapasin, respectively, as they react specifically with the corresponding immunizing peptides in ELISA and with the corresponding proteins when tested with human lymphoid cell lysates in Western blotting. Furthermore, the reactivity of the four mAb with the corresponding intracellular antigens yielded intracellular staining when the mAb were tested with formalin-fixed, microwave-treated and saponin-permeabilized cells in indirect immunofluorescence and with formalin-fixed, paraffin-embedded tissue sections in the immunoperoxidase reaction. These results suggest that the ER chaperone-specific mAb we have developed are useful probes for characterizing the expression of ER chaperones of the antigen processing machinery in normal and pathological cells. This information will contribute to defining the effects of abnormalities in their expression on HLA class I antigen expression and function and on the interactions of target cells with the host's immune system.
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Affiliation(s)
- T Ogino
- Department of Immunology, Roswell Park Cancer Institute, Buffalo, NY 14263, USA
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Yamazaki K, Kitada M, Sasaki K, Koshiko S, Hirasawa M, Ozawa K, Kajiura Y, Sasajima T, Miyokawa N. [Surgery for thymomas and thymic carcinomas; treatment results in terms of WHO histologic typing, Masaoka staging system, and p53 expression]. Kyobu Geka 2002; 55:949-52. [PMID: 12391691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
Abstract
Forty thymomas and thymic carcinomas were classified in terms of WHO histologic typing, Masaoka staging system, and p53 expression. In WHO histologic typing, type A, AB, B1, B2, B3, and C were 1, 10, 16, 5, 4, and 4 cases, respectively. In Masaoka staging system, I, II, III, and IV were 15, 9, 10, and 6 cases, respectively. Thirteen thymomas exhibited positive p53 expression and 27 did not. Type A and AB thymomas had more favorite prognosis than type B3 and C thymomas, and prognosis of type B1 and B2 was middle. Staging by the Masaoka system also correlated with survival rates. Patients who had p53-negative thymomas survived longer than those who had p53-positive thymomas. A treatment strategy for thymomas and thymic carcinomas should be made on the basis of WHO histologic typing, Masaoka staging system, and p53 expression.
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Affiliation(s)
- K Yamazaki
- Department of Surgery, Asahikawa Medical University, Asahikawa, Japan
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8
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Hirata S, Sasajima T, Yamazaki K, Sugimoto H, Miyokawa N, Tokusashi Y. [Basaloid-squamous carcinoma of the esophagus: report of a case]. Kyobu Geka 2002; 55:515-8. [PMID: 12058468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
We report herein the case of a 66-year-old man with basaloid squamous cell carcinoma (BSCC) of the esophagus. There are only 60 cases of BSCC of the esophagus previously reported in Japan. In our patient, endoscopic findings revealed a type 2 in the lower intrathoracic esophagus (Lt), and the tumor was intact with the aorta (T2). A biopsy suggested that it was adenosquamous cell carcinoma. An operation was done on June 11, 1996. With open thoracotomy, esophagectomy was performed with mediastinal lymphnode dissection by posterior mediastinal esophagogastrostomy. Histologically, the lesion of the tumor with ulceration was composed of BSCC, and other lesion was composed of typical squamous cell carcinoma (SCC). The immunohistochemical findings of the respected specimens led us to suspect that the basal-layer-type SCC had transformed into BSCC by undergoing differentiation and expansive proliferation. According to the prognosis, eventually the patient died of pneumonia due to methicillin resistant Staphylococcus aureus (MRSA) and candida 4 years and 9 months after the surgery.
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Affiliation(s)
- S Hirata
- Department of Surgery, Asahikawa Medical College, Asahikawa, Japan
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9
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Kinouchi R, Hirokawa H, Miyokawa N, Nomiyama T, Hikichi T, Yoshida A. [Immunohistochemical study of idiopathic and secondary epiretinal membrane]. Nippon Ganka Gakkai Zasshi 2001; 105:673-81. [PMID: 11692613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
PURPOSE We investigated the immunohistochemical features of surgically resected idiopathic epiretinal membranes(ERMs) and secondary ERMs with regard to posterior vitreous detachment(PVD). METHODS Six specimens of idiopathic epiretinal membranes(3 eyes with complete PVD, 2 eyes with partial PVD, and one eye with no PVD) and 3 specimens of secondary ERMs(all eyes with complete PVD) were immunohistochemically studied. We used type I, II, III, IV collagen and fibronectin to study extracellular components, and glial fibrillary acidic protein(GFAP), S 100 protein, vimentin, and so forth to study cellular components. RESULTS All the specimens of idiopathic ERMs had the major components of the lamellar stained by type II collagen antibody, and one out of 3 specimens of secondary ERMs had a minor component stained by type II collagen antibody. Compared with idiopathic ERMs with complete PVD, 2 out of 3 specimens of idiopathic ERMs with partial PVD or no PVD contained rather thick collagen lamellar. CONCLUSION There was difference between specimens of idiopathic ERMs and specimens of secondary ERMs in staining by type II collagen antibody, supposed by vitreous, in this study. Idiopathic ERM with attached posterior vitreous membrane may cause growth of collagen.
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Affiliation(s)
- R Kinouchi
- Department of Ophthalmology, Asahikawa Medical College, 2-1 Midorigaoka, Higashi, Asahikawa 078-8510, Japan
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Osanai M, Miyokawa N, Tamaki T, Yonekawa M, Kawamura A, Sawada N. Adenocarcinoma arising in gastric heterotopic pancreas: clinicopathological and immunohistochemical study with genetic analysis of a case. Pathol Int 2001; 51:549-54. [PMID: 11472568 DOI: 10.1046/j.1440-1827.2001.01240.x] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Heterotopic pancreas in the stomach is a relatively common congenital condition, but the risk of malignant transformation is extremely low. In this study, we describe a case of adenocarcinoma arising from a gastric heterotopic pancreas and we consider its morphological and immunohistochemical features and genetic analysis, in order to examine its histogenesis. This unusual sequela was seen in a 57-year-old woman. Image studies showed a protruding lesion with a central ulcer located in the lesser curvature from the angle to the body of the stomach. A biopsy specimen confirmed this lesion as adenocarcinoma before total gastrectomy. The tumor showed mixed patterns of solid neoplastic-cell proliferation and moderately differentiated glandular structures, and also showed transitional lesions to obvious malignancy, that is, dysplasia, or adenocarcinoma in situ. Neoplastic cells had positive immunoreactivity for carbohydrate antigen (CA) 19-9, mucin (MUC) 1, and insulin, and the mutant allele-specific amplification method revealed a point mutation at K-ras codon 12 (GGT [Gly]-->GAT [Asp]), which is the most common mutational change observed in patients with pancreatic carcinoma. The features of the present case provide clear evidence that this tumor originated from heterotopic pancreatic tissue rather than from gastric epithelium.
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Affiliation(s)
- M Osanai
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan.
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Tanno S, Ohsaki Y, Osanai S, Akiba Y, Takeuchi T, Nishigaki Y, Ide H, Nakano H, Miyokawa N, Kikuchi K. Spontaneous rupture of the amyloid spleen in a case of usual interstitial pneumonia. Intern Med 2001; 40:428-31. [PMID: 11393417 DOI: 10.2169/internalmedicine.40.428] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
We describe a rare case of secondary amyloidosis associated with usual interstitial pneumonia (UIP), who died from spontaneous rupture of the amyloid spleen. A 68-year-old man was admitted to evaluate to his interstital lung disease. Chest radiography showed reticular shadow in bilateral lower lung fields. Two years later, he suddenly felt severe abdominal pain. In spite of maximum therapy, he died from hypovolemic shock. Postmortem examination revealed massive intraabdominal hemorrhage. The diagnosis of lung disease was UIP and amyloid A type deposits were observed in various organs including the ruptured spleen.
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Affiliation(s)
- S Tanno
- First Department of Medicine, Asahikawa Medical College
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12
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Usui K, Yamamoto W, Shuke N, Aburano T, Yamanaka Y, Tokusashi Y, Miyokawa N. Scintigraphic findings of tibial adamantinoma on a three-phase bone scan. Clin Nucl Med 2000; 25:1057-8. [PMID: 11129155 DOI: 10.1097/00003072-200012000-00031] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- K Usui
- Department of Radiology, Asahikawa Medical College, Japan.
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13
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Affiliation(s)
- K Usui
- Department of Radiology, Asahikawa Medical College, Japan.
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14
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Fujii H, Zhu XG, Matsumoto T, Inagaki M, Tokusashi Y, Miyokawa N, Fukusato T, Uekusa T, Takagaki T, Kadowaki N, Shirai T. Genetic classification of combined hepatocellular-cholangiocarcinoma. Hum Pathol 2000; 31:1011-7. [PMID: 11014564 DOI: 10.1053/hupa.2000.9782] [Citation(s) in RCA: 82] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Combined hepatocellular-cholangiocarcinoma (combined HCC/ CC) is a rare form of liver neoplasms showing both hepatocellular (HCC) and bile duct differentiation (CC). In an attempt to clarify the clonality and genetic/phenotypic relationships in the evolution of these neoplasms, we microdissected multiple HCC and CC foci and studied allelic status of chromosome arms 1p, 1q, 3p, 4q, 5q, 6q, 8p, 9p, 10q, 11q, 13q, 16q, 17p, 17q, 18q, and 22q. Overall, the highest frequency of loss of heterozygosity (LOH) was seen on 4q and 17p, followed by 8p and 16q. Of the 11 cases studied, 3 cases did not show any of the identical allelic losses between HCC and CC foci, indicating the biclonal nature. The remaining 8 cases showed multiple allelic losses shared between both components, strongly suggestive of a single clonal derivation. Moreover, 4 of the 8 cases showed additional or divergent allelic losses at more than 1 chromosomal locus only in HCC and/or CC foci. Thus, this heterogeneity was shown to affect the phenotypic diversity of the tumor. Summarizing the genetic patterns, combined HCC/CC could be classified into the following 3 possibilities: (1) collision tumor in which 2 independent neoplastic clones develop at close proximity; (2) single clonal tumor with homogeneous genetic background in both components--histological diversity is thus a manifestation of divergent differentiation potential of a single clone; (3) single clonal process in which genetic heterogeneity in the process of clonal evolution within the tumor parallels histologic diversity; therefore, the tumor in this category is mainly composed of mosaics of closely related subclones.
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Affiliation(s)
- H Fujii
- Department of Pathology II, Juntendo University School of Medicine, Tokyo, Japan
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15
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Ohsaki Y, Morimoto H, Osanai S, Nishigaki Y, Akiba Y, Hasebe C, Hirata S, Aburano T, Miyokawa N, Kikuchi K. Extensively calcified hemangioma of the diaphragm with increased 99mTc-hydroxymethylene diphosphonate uptake. Intern Med 2000; 39:576-8. [PMID: 10888215 DOI: 10.2169/internalmedicine.39.576] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
A 31-year-old woman visited an out-patient clinic, because of low-grade fever and general fatigue. She was referred to our hospital and admitted for examination of an abnormal shadow which had been found on the chest radiograph. She had experienced faint right lateral chest pain several times on the deep inspirations. Chest radiography showed a mass shadow with calcification in the right lower lung field on the mediastinal side. Chest radiographic computed tomography showed a 6x6 cm tumor in the right lung field. There were low-density areas with septae inside the tumor. Bone scintigraphy showed extremely high uptake of (99m)Tc-HMDP in the tumor. After surgical resection and pathological examination, we concluded that the tumor was an extensively calcified benign hemangioma of the diaphragm.
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Affiliation(s)
- Y Ohsaki
- First Department of Medicine, Asahikawa Medical College
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Ogino T, Sato K, Miyokawa N, Kimura S, Katagiri M. Importance of GAD65 peptides and I-Ag7 in the development of insulitis in nonobese diabetic mice. Immunogenetics 2000; 51:538-45. [PMID: 10912505 DOI: 10.1007/s002510000173] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Insulin-dependent diabetes mellitus (IDDM) develops in nonobese diabetic (NOD) mice through the destruction of the B cells in pancreatic Langerhans islets by islet autoantigen-specific T cells. The islet autoantigen glutamic acid decarboxylase 65 (GAD65) is thought to be a major target autoantigen in IDDM. In the present report, we established GAD65-specific T-cell clones using overlapping peptides that cover the amino acid sequences of mouse GAD65. T-cell epitopes of GAD65 were characterized by proliferation and binding assays using various analogue peptides and wild-type or mutant I-Ag7 transfectants. The efficacy of the peptide vaccine in IDDM was determined by administering T-cell epitope peptides to NOD mice and evaluating the histopathology of their insulitis. We obtained two types of T-cell clone, one specific for peptide p316-335 and another specific for p531-545 of GAD65. The p531-545 site has already been identified, but we report the p316-335 site for the first time. T-cell clones recognized those peptides in the wild-type I-Ag7 but not in the mutant I-Ag7 in which the serine at position 57 of the beta-chain was replaced by an aspartic acid. Both the p316-335 and p531-545 peptides bound weakly to I-Ag7. Some peptides with amino acid substitutions had antagonistic activity, and administration of a large amount of wild-type peptide reduced the severity of insulitis in NOD mice. Our results suggest that peptide vaccine therapy may be useful in autoimmune diseases, including IDDM.
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Affiliation(s)
- T Ogino
- Department of Pathology, Asahikawa Medical College, Japan.
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Ohsaki Y, Tanno S, Fujita Y, Toyoshima E, Fujiuchi S, Nishigaki Y, Ishida S, Nagase A, Miyokawa N, Hirata S, Kikuchi K. Epidermal growth factor receptor expression correlates with poor prognosis in non-small cell lung cancer patients with p53 overexpression. Oncol Rep 2000; 7:603-7. [PMID: 10767376 DOI: 10.3892/or.7.3.603] [Citation(s) in RCA: 81] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
To determine whether cancer patients with tumor suppressor gene abnormality survive for a shorter time when their growth was stimulated by growth factors, we examined 290 non-small cell lung cancer (NSCLC) specimens for p53 and epidermal growth factor receptor (EGFR) protein expressions using immunohistochemical staining. The distribution of cases by pathological stage of tumor was 155 cases of stage I, 30 cases of stage II, 96 cases of stage III and 9 cases of stage IV. Pathological types were 142 adenocarcinomas, 127 squamous cell carcinomas, 17 large cell carcinomas and 4 other types of malignancy. Immunohistochemical staining was performed on the formalin fixed, paraffin-embedded materials with monoclonal antibodies DO-7 and clone EGFR.133. positive staining for EGFR was seen in 124 (42.8%) cases. More EGFR positive cases were found in squamous cell carcinomas than in non-squamous cell carcinomas (p=0.0121). Staining for p53 protein was observed in 147 (50.7%) specimens. Multivariate proportional hazard model analyses revealed EGFR protein expression as a risk factor in the patients with NSCLC (p=0.0240). Patients negative for both EGFR and p53 survived for a longer period of time (p=0.0427).
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Affiliation(s)
- Y Ohsaki
- First Department of Medicine, Asahikawa Medical College, Asahikawa 078-8510, Japan
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18
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Inagaki M, Maguchi M, Kino S, Obara M, Ishizaki A, Onodera K, Yokoyama K, Makino I, Ojima H, Tokusashi Y, Miyokawa N, Kasai S. Mucin-producing tumors of the pancreas: clinicopathological features, surgical treatment, and outcome. J Hepatobiliary Pancreat Surg 2000; 6:281-5. [PMID: 10526064 DOI: 10.1007/s005340050119] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Mucin-producing tumors (MPTs) of the pancreas are increasingly being recognized. To evaluate the appropriate surgical treatment and predict the prognosis of MPTs, we performed a retrospective clinicopathological study in 51 patients, 27 with benign tumors and 24 with borderline/malignant tumors. Three of the malignant tumors showed stromal invasion and lymph node metastasis on histological examination. Of the 24 patients with borderline/malignant tumors, 2 died of MPTs and 4 died of other diseases. At the last follow-up, 35 patients were alive and well. The 5-year postoperative survival rate was 90% for patients with benign tumors, and 78% of these with borderline/malignant tumors. Five of the patients with borderline/malignant tumors had multicentric tumors. Three of these patients underwent resection of the rest of the pancreas, 5, 6, and 8 years, respectively, after the first operation. Extended radical resection is required for malignant MPT with invasion of the pancreatic stroma. We prefer to perform pancreatogastrostomy or Imanaga's procedure to allow examination of the body and tail of the pancreas by endoscopic retrograde pancreatography after resection of the pancreatic head. Careful follow-up for a long period may be the most prudent approach for detecting multiple MPTs in the residual pancreas after surgical treatment.
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Affiliation(s)
- M Inagaki
- Second Department of Surgery, Asahikawa Medical College, 4-5-3-11 Nishikagura, Asahikawa 078-8510, Japan
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19
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Okizaki A, Shuke N, Yamamoto W, Usui K, Koyano S, Miyokawa N, Tokusashi Y, Aburano T. Protein-loss into retroperitoneal lymphangioma: demonstration by lymphoscintigraphy and blood-pool scintigraphy with Tc-99m-human serum albumin. Ann Nucl Med 2000; 14:131-4. [PMID: 10830532 DOI: 10.1007/bf02988593] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A rare, benign congenital lymphangioma has been reported to occur frequently in the neck and axilla, but rarely in the retroperitoneal space. We report a case of a retroperitoneal lymphangioma associated with hypoproteinemia caused by protein-loss into the tumor. In this case, lymphoscintigraphy with subcutaneously injected Tc-99m-human serum albumin (HSA) disclosed the communication between the tumor and the lymphatic system, and sequential abdominal scintigraphy with intravenously injected Tc-99m-HSA revealed the protein loss into the tumor. Abdominal scintigraphy with Tc-99m-HSA injected intravenously or subcutaneously is occasionally useful for determining the etiology of hypoproteinemia.
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Affiliation(s)
- A Okizaki
- Department of Radiology, Asahikawa Medical College, Japan
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Inagaki M, Yabuki H, Hashimoto M, Maguchi M, Kino S, Sawa M, Ojima H, Tokusashi Y, Miyokawa N, Kusano M, Kasai S. Metastatic seeding of bile duct carcinoma in the transhepatic catheter tract: report of a case. Surg Today 2000; 29:1260-3. [PMID: 10639708 DOI: 10.1007/bf02482219] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
We describe herein the case of a 51-year-old woman in whom metastatic tumor seeding of the percutanenous transhepatic biliary drainage tract occurred following a pancreatoduodenectomy for carcinoma of the distal common bile duct. An abdominal computed tomography scan done 6 months after the initial operation detected a hepatic lesion located at the site of the previous percutaneous transhepatic biliary drainage tract. Implantation of bile duct carcinoma in the drainage tract was diagnosed, and the recurrent tumor was successfully resected by performing a subsegmentectomy of segment 3 and removal of the adjacent abdominal wall. At present, 5 years and 4 months after the second resection, the patient is in good health without any signs of recurrence. This case report demonstrates that an aggressive surgical approach should be performed for tumor seeding of a transhepatic biliary catheter tract.
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Affiliation(s)
- M Inagaki
- Second Department of Surgery, Asahikawa Medical College, Japan
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21
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Takahashi F, Ogawa Y, Hasebe N, Natori S, Tokusashi Y, Miyokawa N, Kikuchi K. Successful treatment of a patient with nephrotic syndrome associated with chronic lymphocytic leukemia. Intern Med 2000; 39:256-9. [PMID: 10772132 DOI: 10.2169/internalmedicine.39.256] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
We report the case of a 62-year-old man with nephrotic syndrome associated with stage B chronic lymphocytic leukemia (CLL). Kappa Bence Jones proteinuria and the glomerular deposition of kappa-light chain were observed. Although treatment with cyclophosphamide and prednisolone tended to reduce the level of proteinuria, the administration of angiotensin-converting enzyme inhibitor, enalapril, resulted in complete remission of nephrotic syndrome.
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MESH Headings
- Angiotensin-Converting Enzyme Inhibitors/therapeutic use
- Biopsy
- Cyclophosphamide/therapeutic use
- Drug Therapy, Combination
- Enalapril/therapeutic use
- Humans
- Immunosuppressive Agents/therapeutic use
- Leukemia, Lymphocytic, Chronic, B-Cell/complications
- Leukemia, Lymphocytic, Chronic, B-Cell/drug therapy
- Leukemia, Lymphocytic, Chronic, B-Cell/pathology
- Male
- Middle Aged
- Nephrotic Syndrome/drug therapy
- Nephrotic Syndrome/etiology
- Nephrotic Syndrome/pathology
- Prednisolone/therapeutic use
- Remission Induction
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Affiliation(s)
- F Takahashi
- First Department of Internal Medicine, Asahikawa Medical College
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22
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Miyamoto T, Hayashi H, Sengoku K, Ojima H, Tokusashi Y, Yaginuma Y, Takuma N, Hasuike S, Miyokawa N, Ishikawa M. Diffuse malignant mesothelioma of the uterus. Acta Obstet Gynecol Scand 2000; 79:154-5. [PMID: 10696970 DOI: 10.1034/j.1600-0412.2000.079002154.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- T Miyamoto
- Department of Obstetrics and Gynecology, Asahikawa Medical College, Japan
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23
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Hirata S, Yatsuyanagi E, Yamazaki H, Sugimoto Y, Kosiko S, Kokubo T, Atsuta Y, Sasajima T, Miyokawa N. [Neoadjuvant chemotherapy for esophageal cancer by administration of nedaplatin alone]. Gan To Kagaku Ryoho 2000; 27:221-6. [PMID: 10700891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
The possibility of safe implementation of neoadjuvant chemotherapy using nedaplatin (254-S) was investigated with the aim of improving the therapeutic results in advanced esophageal cancer patients. The subjects had usually undergone two courses of 254-S, 80 or 100 mg/m2, preoperatively, at intervals of 4 weeks. After chemotherapy, responses were evaluated, and resection was undertaken 4 weeks after the final administration. The subjects were 10 patients with untreated esophageal cancer. As a result of evaluation of responses of main lesions to chemotherapy, a partial response (PR) was observed in 3 patients, and a minor response 3, showing an efficacy rate of 30%. Pathological findings before treatment were determined by staining of a cell cycle marker (Ki-67). The 3 patients who were evaluated as PR (clinical efficacy) showed high rates of positivity for Ki-67 of 47.4%, 52.7%, and 86%, respectively. There were no serious complications and no death related to operation. The observations suggested that 254-S, which has little or no side effects including nephrotoxicity, can become the standard remedy for esophageal cancer instead of CDDP in future.
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Affiliation(s)
- S Hirata
- First Dept. of Surgery, Asahikawa Medical College
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24
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Hashizume K, Kiriyama K, Kunimoto M, Maeda T, Tanaka T, Miyamoto A, Miyokawa N, Fukuhara M. Correlation of EEG, neuroimaging and histopathology in an epilepsy patient with diffuse cortical dysplasia. Childs Nerv Syst 2000; 16:75-9. [PMID: 10663810 DOI: 10.1007/pl00007283] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
The correlation between scalp EEG, intraoperative electrocorticogram, neuroimaging and histopathology was examined in an epileptic child with diffuse cortical dysplasia. The 6-year-old girl with moderate mental retardation had suffered from intractable complex partial and generalized epilepsies since the age of 2 years. MR images demonstrated unilateral large macrogyria/polymicrogyria and schizencephaly in the right occipital lobe. The epileptic focus was detected on the macrogyria by EEG and single photon emission tomography. However, the intraoperative electrocorticogram showed frequent spikes from the polymicrogyria and no paroxysmal activity in the macrogyria. The polymicrogyria and the macrogyric lesion were resected, using an image-guided system. The histological findings revealed that the macrogyria was covered with and separated by glial bundles. It has been reported that epileptogenicity is produced from abnormal neurons and their arrangement in cortical dysplasia; in this case, however, the major dysplastic lesion had no epileptogenicity; rather the focus might be in the polymicrogyria around the lesion.
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Affiliation(s)
- K Hashizume
- Department of Neurosurgery, Asahikawa Medical College, 4-5 Nishikagura, Asahikwa, 078-8510 Japan.
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25
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Inagaki M, Ishizaki A, Kino S, Onodera K, Matsumoto K, Yokoyama K, Makino I, Ojima H, Tokusashi Y, Miyokawa N, Kasai S. Papillary adenoma of the distal common bile duct. J Gastroenterol 1999; 34:535-9. [PMID: 10452691 DOI: 10.1007/s005350050310] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
A 73-year-old man with a papillary adenoma located in the distal common bile duct is reported. He underwent pylorus-preserving pancreatoduodenectomy. The lesion in the common bile duct featured papillary proliferation of the epithelium and fibrous elements with diffuse infiltration by inflammatory cells. Positive staining for MIB-1 (Ki-67) and p53 was identified in the nuclei of the proliferative epithelium. These findings suggested the malignant potential of this lesion. Further progress in imaging diagnostic techniques should increase the frequency with which such lesions are discovered. Even now, if mural irregularities and defects are found in the extrahepatic biliary system, especially the distal common bile duct, the possibility of such borderline biliary adenoma should be taken into consideration when making a diagnosis.
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Affiliation(s)
- M Inagaki
- Second Department of Surgery, Asahikawa Medical College, Japan
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26
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Kono T, Yamamoto Y, Kakisaka A, Tokusasi Y, Miyokawa N, Kasai S. Adenosquamous carcinoma of the rectum showing endocrine-cell differentiation: report of a case. Dis Colon Rectum 1999; 42:1089-92. [PMID: 10458137 DOI: 10.1007/bf02236710] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
PURPOSE Previous records of adenosquamous carcinomas with endocrinologic features rarely have been reported. Although the disease behaves in an extremely aggressive manner, chemotherapy after surgery has never been proposed. We used regional chemotherapy for treatment of unresectable liver metastases. METHODS Hartmann colostomy was performed and 5-fluorouracil was infused into the hepatic artery for 15 weeks after the operation. RESULTS Multiple liver metastases were present at the initial operation. Three months after the start of the chemotherapy, computed tomography showed that metastatic tumors in the liver had disappeared. The patient survived 18 months after the initial operation. CONCLUSION This case report describes the first successful treatment with adjuvant regional chemotherapy of a patient who had an adenosquamous carcinoma with endocrine-cell differentiation in the rectum and liver metastases.
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Affiliation(s)
- T Kono
- Department of Surgery II, Asahikawa Medical College, Hokkaido, Japan
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27
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Shuke N, Yoshikawa D, Saito Y, Sato J, Ishikawa Y, Yoshida H, Kino S, Miyokawa N, Aburano T. Focal nodular hyperplasia of the liver: scintigraphic demonstration using three hepatic imaging agents. Clin Nucl Med 1999; 24:451-3. [PMID: 10361948 DOI: 10.1097/00003072-199906000-00019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- N Shuke
- Department of Radiology, Asahikawa Medical College Hospital, Japan
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28
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Saito N, Hirai K, Torimoto Y, Taya N, Kohgo Y, Takemori N, Tokuyasu Y, Miyokawa N. Plural immunoglobulin synthesis in a single cell: an ultrastructural study of two cases with three M-proteins. Ultrastruct Pathol 1998; 22:421-9. [PMID: 9891920 DOI: 10.3109/01913129809032277] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Electrophoresis revealed two cases of malignant lymphoma that each contained three M-proteins (IgM lambda.lgG kappa.lgG lambda and IgM lambda.IgM kappa.lgG kappa) in the sera. To determine cellular origin of each M-protein, atypical lymphoid and plasmacytoid cells of both cases were examined by electron microscopy. Atypical lymphoid and plasmacytoid cells possessed rough endoplasmic reticula (RERs) in varying degrees, as seen by conventional electron microscopy, and showed double-stainability for plural antibodies against immunoglobulins following double stainings of immunoelectron microscopy using immunogold staining. Rabbit antibodies against human IgM, lgG, free kappa-light chain and free lambda-light chain were used for the immunoelectron microscopic staining. By the double staining method, plural immunoglobulins, IgM/IgG, IgM/free kappa, IgM/free lambda, IgG/free kappa, IgG/free lambda and free kappa/free lambda, were simultaneously detected in varying degrees in the Golgi area, RERs, and dense bodies of lymphoid and plasmacytoid cells. In conclusion, this study directly exhibited, through electron microscopy, that plural immunoglobulins were synthesized at the same time in a single cell, and that the process of immunoglobulin synthesis in the lymphoid and plasmacytoid cells was different from that in a normal B-cell.
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Affiliation(s)
- N Saito
- Third Department of Internal Medicine, Asahikawa Medical College, Japan
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29
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Abstract
We evaluated the prognostic value of immunostaining proliferating cell nuclear antigen (PCNA) by using a monoclonal antibody (PC10) in patients with parotid tumors. Twenty-seven cases were studied. Immunohistochemical studies were carried out on paraffin-embedded tissues from the patients, and the PCNA index was calculated as the percentage of positively staining tumor cells. The PCNA index ranged from 0.1 to 65.3%. We divided the 27 lesions into three groups histologically: group A with benign pleomorphic tumors (11 cases), group B with low-grade malignant tumors (5 cases), and group C with high-grade malignant tumors (11 cases). The mean PCNA index was 0.7% in group A, 2.0% in group B, and 23.1% in group C. The clinical data revealed a significantly higher local tumor recurrence and mortality rate in group C than in groups A and B. We conclude that PCNA may be used as an important indicator for determining clinical prognosis in parotid tumors.
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Affiliation(s)
- M Takahashi
- Department of Otolaryngology, Asahikawa Medical School, Hokkaido, Japan
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30
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Kobayashi H, Kokubo T, Takahashi M, Sato K, Miyokawa N, Kimura S, Kinouchi R, Katagiri M. Tyrosinase epitope recognized by an HLA-DR-restricted T-cell line from a Vogt-Koyanagi-Harada disease patient. Immunogenetics 1998; 47:398-403. [PMID: 9510558 DOI: 10.1007/s002510050375] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Human T-cell-mediated autoimmune diseases are often genetically linked to particular alleles of HLA class II genes. Vogt-Koyanagi-Harada's (VKH) disease, which is regarded as an autoimmune disorder in multiple organs containing melanocytes, has been found to be associated with HLA-DR4 (DRB1(*)0405) and HLA-DR53 (DRB4(*)0101). Tyrosinase is a melanoma antigen (Ag) expressed by normal melanocytes as well as melanoma cells against which responses by autologous T cells have been detected. We established a T-cell line from the peripheral blood of a patient with VKH disease which responded to synthetic peptides corresponding to tyrosinase. The T-cell line was generated which recognized the tyrosinase p188 - 208 peptide when presented by the HLA-DR4 (DRB1(*)0405) molecule on the surface of HLA class II-expressing L-cell transfectants. The minimal antigenic peptide which induced T-cell responses was an 11-amino-acid sequence and located at tyrosinase p193 - 203 (E-I-W-R-D-I-D-F-A-H-E). This peptide contained the DRB1(*)0405-binding peptide motif (hydrophobic residues (Y, F, W) at position 1 as an anchor residue, and negatively charged residues (D, E) at position 9), which corresponded to the W at p195 and the D at p203. These observations demonstrate that tyrosinase peptides are immunogenic, and may be a candidate for an autoantigen in VKH disease, suggesting that probing the T-cell responses against synthetic peptides is a productive approach for identifying the autoantigenic peptides associated with autoimmune diseases including VKH disease.
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Affiliation(s)
- H Kobayashi
- Department of Pathology, Asahikawa Medical College, 4-5-3-11, Nishikagura, Asahikawa, 078, Japan
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31
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32
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Kobayashi H, Kokubo T, Sato K, Kimura S, Asano K, Takahashi H, Iizuka H, Miyokawa N, Katagiri M. CD4+ T cells from peripheral blood of a melanoma patient recognize peptides derived from nonmutated tyrosinase. Cancer Res 1998; 58:296-301. [PMID: 9443408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Tyrosinase is an antigen that is expressed by normal melanocytes as well as melanoma cells, against which responses by autologous T cells have been detected. Although CD4+ T cells play an important role in tumor immunity in animal tumor models, little information about CD4+ T-cell immunity against human tumors exists. Here, we report that CD4+ T cells from the peripheral blood of a patient with melanoma respond to synthetic peptides derived from nonmutated tyrosinase. T-cell clones were generated that recognized the tyrosinase p386-406 peptide when it was presented by the HLA-DR15 (DRB1*1501) molecule. The CD4+ T-cell clone also recognized autologous EBV-transformed B-lymphoblastoid cell lines that had been pulsed with the lysate of melanoma cells. The synthetic tyrosinase p386-406 peptide was capable of binding to HLA-DR15 (DRB1*1501) molecules on cell surface of DR15 homozygous cells. Thus, the finding that nonmutated tyrosinase peptides are immunogenic in a melanoma patient may provide the basis for the development of cancer immunotherapy, based on knowledge of synthetic tumor-associated peptide antigens.
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Affiliation(s)
- H Kobayashi
- Department of Pathology, Asahikawa Medical College, Japan
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33
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Umemori Y, Chiba H, Tokusashi Y, Miyokawa N. [Apolipoprotein E immunoreactivities in normal human ovary and ovarian neoplasms]. Rinsho Byori 1998; 46:69-72. [PMID: 9492541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
An immunohistochemical study on localization of apoE in normal human ovary and various ovarian neoplasms was performed using polyclonal anti-human apoE antibody. In the normal tissues, apoE immunoreactivity was found in folliculus (theca interna and stratum granulosum), and most intensely in a corpus luteum. The stroma cells were not stained. Among various ovarian tumours, positive staining was found in granulosa cell tumour, teratoma and dysgerminoma. Close relationship between apoE and steroid synthesis was suggested by the distribution of apoE in the studied tissues. The present results show that an immunohistochemical study for apoE may be helpful for the diagnosis of steroid producing tumours.
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Affiliation(s)
- Y Umemori
- Laboratory of Pathology, Asahikawa Medical College Hospital
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34
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Abstract
OBJECTIVE The differentiation between benign and metastatic lymph nodes with ultrasound (US) is based primarily on the evaluation of size, shape, margin and internal echo structure. The aim of this study is to determine whether these parameters are reliable indicators and to correlate internal echo structure and histopathological findings. MATERIALS AND METHODS Seventy-one nodes in 21 patients with pathologically proven oral squamous cell carcinoma were examined. The shortest diameter, the short/long diameter ratio (S/L ratio), margins and internal echo structure of the lymph node were evaluated by US. The internal echo structure was divided into six patterns: homogeneous hypoechoic, homogeneous hyperechoic, heterogeneous, eccentric hyperechoic, centric hyperechoic and anechoic pattern. In addition, internal echo structure was correlated with histopathological findings. RESULTS In 71.4% of the metastatic nodes, the shortest diameter was more than 10 mm and the S/L ratio was higher than that of benign nodes (average 0.71). Eleven (84.6%) of the 13 lymph nodes with irregular margins were metastatic. Heterogeneous and anechoic patterns were observed in metastatic nodes, whereas homogeneous hypoechoic and eccentric hyperechoic patterns were present in benign nodes. On ultrasonography with the corresponding histopathological findings, echogenic areas in the homogeneous hyperechoic, heterogeneous and centric hyperechoic patterns of metastatic nodes proved to be necrosis or fibrosis. Eccentric hyperechoic areas in benign nodes corresponded to the hilus and surrounding fatty tissue. CONCLUSIONS The shortest diameter, S/L ratio, margin and internal echo structure were considered to be critical indicators to differentiate between benign and metastatic nodes. Secondary changes caused by tumour infiltration, necrosis, or fibrosis should be assessed when metastatic lymph nodes are differentiated from benign ones by internal echo structure.
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Affiliation(s)
- Y Toriyabe
- Department of Oral and Maxillofacial Surgery, Asahikawa Medical College, Japan
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35
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Fujii H, Inagaki M, Kasai S, Miyokawa N, Tokusashi Y, Gabrielson E, Hruban RH. Genetic progression and heterogeneity in intraductal papillary-mucinous neoplasms of the pancreas. Am J Pathol 1997; 151:1447-54. [PMID: 9358771 PMCID: PMC1858094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Intraductal papillary-mucinous neoplasms (IPMNs) of the pancreas are ideal neoplasms to study clonal progression and genetic diversity because of their large size and prominent intraductal component. We microdissected 55 histologically defined areas from 13 IPMNs, extracted the DNA from each, and performed polymerase chain reaction (PCR)-based microsatellite analysis to detect loss of heterozygosity on chromosome arms 1p, 3p, 6q, 8p, 9p, 17p, 18q, and 22q. LOH was identified at 1p in two cases, at 3p in four cases, at 6q in seven cases, at 8p in four cases, at 9p in eight cases, at 17p in five cases, at 18q in five cases, and at 22q in one of the IPMNs examined. In one of the IPMNs, the allelic losses were uniform throughout multiple microdissected areas, and in four of the IPMNs, there was evidence of clonal progression. In contrast, in three of the IPMNs, substantial allelic heterogeneity was seen. This remarkable heterogeneity may, in part, be due to the slow growth rate of these neoplasms.
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Affiliation(s)
- H Fujii
- Department of Pathology, Johns Hopkins School of Medicine, Baltimore, Maryland 21287, USA
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36
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Taya N, Torimoto Y, Hirai K, Ohnishi K, Tokusashi Y, Miyokawa N, Kohgo Y. [Multiple myeloma with a solitary osteosclerotic legion on seventh cervical vertebra]. Rinsho Ketsueki 1997; 38:1218-23. [PMID: 9423341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The osseous manifestation of multiple myeloma is well known as the osteolytic or osteoporotic feature. On the other hand, there are rare cases of general osteosclerotic manifestation as myeloma variants. We report a case of multiple myeloma with solitary osteosclerotic legion in the cervical vertebra. A 60-year-old-man was admitted with paralysis of both arms. The cervical roentogenogram showed the osteosclerotic change of the seventh cervical vertebra. The pathological study of surgical bone biopsy from the vertebra revealed osseous and severe fibrotic change and accumulation of plasma cells in the residual bone marrow. Clusters of plasma cells were also observed in the bone marrow of ileac bone. In addition, IgG-lambda type M protein was seen in the serum. Therefore we diagnosed this case as the osteosclerotic multiple myeloma. We then analyzed the cytokines known to influence bone formation, and found that the bone marrow serum TGF-beta and PDGF levels were increased compared with normal control. These results may suggest that the preferential increase of osteosclerotic cytokines caused the osteosclerotic changes of bone marrow.
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Affiliation(s)
- N Taya
- Third Department of Internal Medicine, Asahikawa Medical Collage
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37
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Yokota K, Saito Y, Einami K, Ayabe T, Shibata Y, Tanabe H, Watari J, Ohtsubo C, Miyokawa N, Kohgo Y. A bamboo joint-like appearance of the gastric body and cardia: possible association with Crohn's disease. Gastrointest Endosc 1997; 46:268-72. [PMID: 9378218 DOI: 10.1016/s0016-5107(97)70100-7] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- K Yokota
- Third Department of Internal Medicine and Pathology Unit, Asahikawa Medical College, Japan
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38
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Makiguchi N, Ohsaki Y, Fujiuchi S, Yamamoto Y, Takahashi T, Ide H, Akiba Y, Nakano H, Miyokawa N, Kikuchi K. [Ki-1-positive anaplastic large-cell lymphoma with mediastinal involvement]. Nihon Kyobu Shikkan Gakkai Zasshi 1997; 35:660-4. [PMID: 9294301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A 30-year-old woman was admitted to our hospital because of an abnormal mass shadow in the right side of the mediastinum on a a chest X-ray film. The chest X-ray film and computed tomogram revealed a mass approximately 4.8 cm in diameter in the right side of the mediastinum. The mass had invaded the right supraclavicular fossa. Lymph-node biopsy was done. Microscopical examination of an HE-stained specimen of a supraclavicular lymph nodes showed prediferation of large atypical lymphocytes. These atypical lymphocytes were stained immunohistochemically with anti-Ki-1 antibody. No T cell or B cell markers were found on these cells. No other tumors were detected by radiological examination. Therefore, our diagnosis was anaplastic large-cell lymphoma, which is identical to Ki-1 lymphoma of the mediastinum.
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Affiliation(s)
- N Makiguchi
- First Department of Medicine, Asahikawa Medical College, Japan
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39
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Saitoh Y, Mineta M, Yamada T, Yoshikawa D, Aburano T, Miyokawa N. Asymptomatic adult Wilm's tumor (nephroblastoma) incidentally detected by CT. Radiat Med 1997; 15:193-6. [PMID: 9278379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Wilms' tumor (nephroblastoma), the most common renal neoplasm in children, is rarely found in adults. A 73-year-old woman with asymptomatic adult Wilms' tumor, incidentally detected by CT, is reported. CT and MRI showed a small mass with homogeneous enhancement after the administration of contrast medium. Ultrasonography demonstrated a well-defined echogenic mass with a halo-like, peripheral hypoechoic area. Selective angiography showed no tumor vessels. Although renal cell carcinoma should be considered in the differential diagnosis, it is still difficult to distinguish from small Wilms' tumor like this case.
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Affiliation(s)
- Y Saitoh
- Department of Radiology, Asahikawa Medical University & Hospital, Nishikagura, Japan
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40
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Abstract
A 61-year-old male presented with a hypervascular variant of dysplastic gangliocytoma (Lhermitte-Duclos disease) manifesting as gait disorder. Computed tomography and magnetic resonance imaging both showed enhancement of the tumor after injection of contrast medium. Angiography demonstrated a tumor stain. Histological examination showed a double-layered structure comprising an outer layer of myelinated axons and an inner layer of dysplastic granular cells, and numerous dilated thin-walled blood vessels. Partial resection of the tumor resulted in resolution of the neurological deficit.
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Affiliation(s)
- K Ishizaki
- Department of Neurosurgery, Asahikawa Medical College, Hokkaido
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Kobayashi H, Kokubo T, Abe Y, Sato K, Kimura S, Miyokawa N, Katagiri M. Analysis of anchor residues in a naturally processed HLA-DR53 ligand. Immunogenetics 1996; 44:366-71. [PMID: 8781122 DOI: 10.1007/bf02602781] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The peptide motif of the HLA-DR53 (DRB4(*)0101) molecule, which is associated with autoimmune diseases including Vogt-Koyanagi-Harada's syndrome, was determined by peptide binding assay using human L plastin p581 - 595 peptide and its substituted analogues. L plastin p581 - 595 peptide is one of the naturally processed peptides bound to HLA-DR9/DR53 (DRB1(*)0901/DRB4(*)0101) molecules. The binding affinity of each peptide to the HLA-DR53 molecule was measured by fluorescence intensity of biotinylated peptides to L cell transfectants expressing HLA-DR53 molecules, followed by treatment with avidin-fluorescence. Binding of biotinylated peptides to HLA-DR53 molecules was not inhibited by all single-alanine-substituted nonbiotinylated peptides, indicating that the replaced position was important for binding to the HLA-DR53 moleule. The inhibitory motif is considered to be an HLA-DR53-specific binding motif, composed of a positively charged residue (K) at position 1, a hydrophobic residue (I) at position 4, positively charged residue (R or K) at position 8 or 9, and another hydrophobic residue (I) at position 10. This predicted motif is different from the binding motifs of other HLA-DR molecules.
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Affiliation(s)
- H Kobayashi
- Department of Pathology, Asahikawa Medical College, Nishikagura 4-5-3-11, Asahikawa 078, Japan
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Ohsaki Y, Toyoshima E, Fujiuchi S, Matsui H, Hirata S, Miyokawa N, Kubo Y, Kikuchi K. bcl-2 and p53 protein expression in non-small cell lung cancers: correlation with survival time. Clin Cancer Res 1996; 2:915-20. [PMID: 9816250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Apoptosis-related genes have received increasing attention in carcinogenesis, drug sensitivity, radiation sensitivity, and patient survival. bcl-2 and mutated p53 genes have been reported to inhibit apoptosis. To determine bcl-2 and p53 protein expression and their impacts on survival time in lung cancers, we studied 99 surgically resected, paraffin-embedded non-small cell lung cancer (NSCLC) specimens by immunohistochemical staining. The bcl-2 protein was expressed in 19.2% of NSCLCs. bcl-2-positive cases were found in 30. 4% of stages I and II carcinomas in 36.8% of squamous cell carcinomas. Patients with bcl-2 expression survived longer than those without. p53 protein was found in 44.4%; there was no significant difference in survival time between patients with and without p53 expression. Patients who were both bcl-2 positive and p53 negative survived significantly longer than those who were bcl-2 negative or p53 positive. These results suggest that bcl-2 protein expression can be histologically specific and stage dependent, and that the bcl-2 protein expression is potentially valuable for prognosis in NSCLC, particularly in the early stages, when bcl-2 protein expression is considered with mutant p53 protein expression.
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Affiliation(s)
- Y Ohsaki
- First Department of Medicine, First Department of Surgery, Asahikawa Medical College, Nishikagura 4-5-3, Asahikawa 078, Japan.
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Kobayashi H, Sato K, Miyokawa N, Kimura S, Nakashima M, Katagiri M. Analysis of naturally processed human histocompatibility leukocyte antigen class I-bound peptides from hepatocellular carcinoma tissues in vivo. Jpn J Cancer Res 1995; 86:962-8. [PMID: 7493916 PMCID: PMC5920595 DOI: 10.1111/j.1349-7006.1995.tb03008.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Naturally processed self-peptides bound to human histocompatibility leukocyte antigens (HLA) class I molecules of human hepatocellular carcinoma tissues (HLA-A2.1, -B44, -B13) in vivo were isolated for sequence analysis. Acid-eluted peptides were subjected to reversed-phase high-performance liquid chromatographic separation and single-fraction sequencing was performed by Edman degradation. The peptides were found to be octamers or nonamers and they were derived from the processing of intracellular proteins. Three independent sequences were obtained from HLA-A2.1 molecules. One of the peptides showed sequence homology to the hepatitis B virus (HBV) pre-S protein, one to aldehyde dehydrogenase, and the other to no known protein. Two independent sequences were obtained from HLA-B44, B13 molecules: one showed sequence homology to the human c-abl protein, the other showed no homology to any known protein. A synthetic biotinylated peptide based on the HBV pre-S peptide sequence was confirmed to bind to HLA-A2.1 gene-transfected L cells. These data suggested that peptides potentially recognized by cytotoxic T cells can bind to HLA class I molecules on tumor cells in vivo.
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Affiliation(s)
- H Kobayashi
- Department of Pathology, Asahikawa Medical College
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44
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Abstract
Fibrillar granules (FGs) represent neutrophilic primary granules containing clustered filaments. We investigated neutrophils in the bone marrow obtained from 17 patients with chronic myeloproliferative disorders (CMPD) by electron microscopy. FG-positive neutrophils were seen in 15 of the 17 CMPDs with varying frequencies. The diameter of FG-filaments was 7-8 nm, showing that they corresponded to neither intermediate filaments nor actin filaments.
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Affiliation(s)
- N Takemori
- Third Department of Internal Medicine, Asahikawa Medical College, Japan
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Umemori Y, Chiba H, Takahashi H, Matui H, Tokusashi Y, Miyokawa N. [Apolipoprotein E immunoreactivity in normal and abnormal adrenal tissues]. Rinsho Byori 1994; 42:977-80. [PMID: 7967124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Immunohistochemical study on localization of apo E in normal and abnormal adrenal tissues was performed using polyclonal anti-human apo E antibodies. In normal adrenal glands, the cortex showed intense staining, in particular, in the zona fasciculata and the zona reticularis, while the medulla showed weak staining. In a case of adrenal hyperplasia, apo E immunoreactivity was equivalent to that in the normal cortex. In adenomas (primary aldosteronism, n = 7; Cushing's syndrome, n = 2; others, n = 2), apo E was stained normally or to some extent weakly in comparison with the normal cortex. Adrenocortical carcinoma showed only faint staining. The results indicate that apo E may relate to the functional activity of adrenal cortex, and suggest that immunohistochemical study for apo E may help to distinguish the malignancy from benign adrenal neoplasms.
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Affiliation(s)
- Y Umemori
- Laboratory of Pathology, Asahikawa Medical College Hospital
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46
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Nishikawa Y, Tokusashi Y, Saito Y, Ogawa K, Miyokawa N, Katagiri M. A case of apocrine adenocarcinoma associated with hamartomatous apocrine gland hyperplasia of both axillae. Am J Surg Pathol 1994; 18:832-6. [PMID: 8037297 DOI: 10.1097/00000478-199408000-00010] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
We report an apocrine adenocarcinoma of the left axilla associated with hamartomatous apocrine gland hyperplasia of both axillae. The patient, a 69-year-old man, presented with no symptoms or complaints other than an oval mass felt in the left axilla. The mass was resected and histopathological examination revealed a papillary apocrine adenocarcinoma located within hyperplastic apocrine glands. Because gallium scintigraphy performed after the operation still showed bilateral abnormal uptakes, skin and subcutaneous tissues of the bilateral axillary areas were resected. Histological examination demonstrated marked multilobular hyperplasia of the apocrine glands. These hyperplastic glands did not show distinct atypia, and there was no evidence of tumor remnants in the left axilla. The patient has shown no signs of local recurrence or metastasis at 20 months' follow-up. To our knowledge, this is the first case of malignant transformation of hamartomatous apocrine gland hyperplasia (apocrine gland organic hamartoma or apocrine nevus).
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Affiliation(s)
- Y Nishikawa
- First Department of Pathology, Asahikawa Medical College Hospital, Japan
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Hashizume K, Tanaka T, Daita G, Yonemasu Y, Miyamoto M, Miyokawa N, Wakai S, Fukushima H. [Clinicopathological features of dysembryoplastic neuroepithelial tumor (DNT): four cases report]. No Shinkei Geka 1994; 22:743-8. [PMID: 8072632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
We reported four cases of dysembryoplastic neuroepithelial tumor (DNT) with intractable complex partial seizures, and analyzed their clinical and pathological features. The age of patients ranged from four to nineteen years old. Three were boys and one was a girl. The age of seizure onset ranged from eight months to five years. They did not have any neurological deficits. In all cases, CT scan revealed a low density mass in the temporal lobe. Two cases demonstrated calcifications, and another two cysts. The mass demonstrated low signal intensity in T-1 weighted MR images with mild contrast enhancement by Gd-DTPA. Long-term video-EEG monitoring revealed the epileptogenic focus in the temporal lobe on the side of the mass lesion. Anterior temporal lobectomy with total removal of the tumor was carried out in all cases. Hippocampectomy was performed in three cases in which intraoperative electrocorticogram demonstrated spike discharges in the hippocampus. In the surgical specimens, the tumor consisted of increased astrocytes, oligodendrocytes, and some neurons. A cortical nodule appeared in one case, and cortical dysplasia appeared in two cases. It was difficult to distinguish the tumor of case 3 from ganglioglioma because of mild neuronal atypia. The tumor of case 4 demonstrated increased capillary vessels and was also difficult to differentiate from vascular anomalies. The pathological diagnosis of DNT was still difficult. Consequently, we speculated that DNT included some transitional types between congenital anomalies and ganglioglioma.
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Affiliation(s)
- K Hashizume
- Department of Neurosurgery, Asahikawa Medical College
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Miyokawa N. [Application of gene technology to clinical pathology]. Rinsho Byori 1994; 42:215-7. [PMID: 8152155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Recently striking progress has been made in molecular biology. Among the newly developed techniques, PCR (polymerase chain reaction) is making an epoch in DNA diagnosis in the field of clinical pathology and laboratory medicine. In this symposium, we discussed the available PCR methods in DNA diagnosis and also the future prospect of PCR method as a routine laboratory procedure. First, Dr. Kawabata reviewed the PCR technique and analytical procedures of PCR products. Next five symposium presented the data on DNA diagnosis for particular diseases using the PCR method. Dr. Hasebe presented the HCV genotyping data from the patients. Dr. Hirose showed us the difference in accuracy in DNA typing of Chlamydia trachomatis antigen between the DNA probe method and PCR method. He also introduced the newly developed LCR method. Dr. Kondo reviewed the methods of DNA diagnosis for malignant lymphoma. Dr. Yaginuma presented the analyzed data of tumor suppressor gene p53 in some gynecological tumors. Dr. Azuma presented a case of chronic granulomatosis with a point mutation on the gp91-phox gene which had been revealed by RT-PCR. Next Dr. Yagihashi introduced the protocol for DNA typing of the HLA class II. Finally, Dr. Tanaka presented the availability of the PCR method for the convalescent screening of bone marrow transplantation. We hope this symposium is fruitful and motivating for all staffs of laboratory medicine and pathology. In closing my remarks, I express our appreciation to all symposists as well as Prof. Hisami Ikeda, president of the 27th general meeting of the Hokkaido branch, the Society of Clinical Pathology, planned this symposium.
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Affiliation(s)
- N Miyokawa
- Department of Surgical Pathology, Asahikawa Medical College
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Yamazaki Y, Miyokawa N, Katagiri M. [Polymorphism of the TAP genes Japanese healthy control and type I diabetes mellitus]. Hokkaido Igaku Zasshi 1994; 69:337-46. [PMID: 8157258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Stable cell surface presentation of MHC class I molecules requires active transport of antigenic peptides across the endoplasmic reticulum by products of two genes, TAP1 and TAP2, which are maped in the MHC class II region. There are many human diseases whose onset are associated with particular MHC alleles. However it has not always been possible to assign susceptibility to individual genes because genes within the complex are in linkage disequilibrium. In this study, we tested DNA from sixty-three healthy controls and 64 Insulin Dependent Diabetes Mellitus: IDDM patients by Polymerase Chain Reaction-Sequence Specific Oligonucleotide: PCR-SSO, Polymerase Chain Reaction-Single Strand Conformation Polymorphism: PCR-SSCP analysis and DNA sequencing. These studies demonstrated the difference in frequencies of TAP2 gene products between healthy control and IDDM patient, and between Japanese and Caucasian population. Statistic analysis of HLA antigens and variants amino acids of TAP showed the linkage disequilibrium between TAP2-665, -687 sequence and HLA-DR alleles. The data suggests that the association of TAP2 allele with IDDM disease may be a simple reflection of the linkage disequilibrium between TAP allele and DR4 gene.
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Affiliation(s)
- Y Yamazaki
- Second Department of Pathology, Asahikawa Medical College, Japan
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Miyokawa N, Suzuki H, Nikaido T, Ohmoto T. [The study of Chinese herbal medicinal prescription with enzyme inhibitory activity. VII. The study of inchinko-to with adenosine 3',5'-cyclic monophosphate phosphodiesterase]. YAKUGAKU ZASSHI 1992; 112:534-43. [PMID: 1331396 DOI: 10.1248/yakushi1947.112.8_534] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A Chinese herbal medicinal prescription, Inchinko-to, was studied for the inhibitory activity on adenosine 3',5'-cyclic monophosphate (cAMP) phosphodiesterase (PDE). The inhibitory activity on cAMP PDE of the extract of each constituent from the crude drug and of several compounds isolated from the drug was studied. By changing the combination ratio of two kinds of the crude drugs from 1:1 to 1:5, the inhibitory activity on cAMP PDE was estimated and it was found to be highest at the ratio of 1:3 in Rhubarb and Gardenia fruit, and at 1:4 in Rhubarb and Capillaris buds. These were the same ratio which is now commonly used for Chinese herbal medicinal prescription in Japan. Similar results were obtained in the combination test of the components of the crude drug such as emodin, geniposide, capillarisin and dimethylesculetin. The effects of Inchinko-to and its prescription which lacks one of the constituents of the crude drugs on carbon tetrachloride inducing liver injury in mice were also studied. Among the four prescriptions the antihepatotoxic activities were observed in the prescriptions containing Capillaris buds. Correlation between the administrated content of dimethylesculetin and antihepatotoxic activity was not recognized.
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Affiliation(s)
- N Miyokawa
- School of Pharmaceutical Sciences, Toho University, Chiba, Japan
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