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Subcutaneous axillary primary epithelioid hemangioendothelioma: report of a rare case. Surg Case Rep 2022; 8:166. [PMID: 36083389 PMCID: PMC9463427 DOI: 10.1186/s40792-022-01521-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 08/26/2022] [Indexed: 11/26/2022] Open
Abstract
Background Epithelioid hemangioendothelioma (EHE) is a rare and slow-growing malignant vascular neoplasm composed of epithelioid endothelial cells within a distinctive myxohyaline stroma. It most commonly involves somatic soft tissue, lungs, liver and bone. Herein, we describe a case of EHE arising in the axillary region. Case presentation A 61-year-old man was under observation for multiple hepatic hemangiomas. Fluorodeoxyglucose–positron emission tomography/computed tomography showed specific uptake in a right axillary tumor. The patient was referred to our department for further investigation of the axillary tumor. An elastic-soft and poorly mobile tumor was palpable in the right axilla. Contrast-enhanced computed tomography showed a right axillary tumor and enlarged hepatic hemangiomas. In addition, multiple nodules in both lungs, a left renal angiomyolipoma, and left adrenal adenoma were revealed. Ultrasonography showed masses in both lobes of the thyroid gland, and a 30-mm lobulated hypoechoic mass in the axilla with well-defined and rough borders, showing internal heterogeneity. Fine-needle aspiration cytology was performed on the thyroid and axillary tumors: the thyroid tumor was class V, raising suspicion of papillary thyroid cancer (PTC); the left superior internal jugular node was class V, raising suspicion of metastasis of PTC; and the axillary tumor was class III, raising suspicion of a mesenchymal tumor with few epithelioid cells. The multiple lung nodules were diagnosed as metastatic tumors derived from thyroid cancer. We diagnosed these diseases as PTC of T1b(m)N1bM1(lung) Stage IVB and a right axillary tumor of unclear origin. However, it was assumed to be a primary mesenchymal tumor or a lymph node metastasis from lung cancer or occult breast cancer. We performed total thyroidectomy, left cervical lymph node dissection, and right axillary tumor excision. Histopathologic examination revealed the thyroid tumor as a PTC and the axillary tumor as an EHE. The EHE showed nuclear atypia, necrosis and high mitotic figures. Hence, it was considered to be a high-risk EHE. Conclusions We experienced a rare primary subcutaneous axillary EHE with metastatic thyroid cancer in the lung. Since our case was classified as a high-risk EHE, a close follow-up would be appropriate.
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Malignant Vascular Tumors of the Head and Neck-Which Type of Therapy Works Best? Cancers (Basel) 2021; 13:cancers13246201. [PMID: 34944821 PMCID: PMC8699575 DOI: 10.3390/cancers13246201] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 12/03/2021] [Accepted: 12/07/2021] [Indexed: 12/13/2022] Open
Abstract
Simple Summary Malignant vascular tumors are extremely rare tumors with variable clinical courses, and few data on their clinical management are available. Diagnosis is difficult due to their wide morphologic appearance. The intent of the present review is to demonstrate the current knowledge and management on malignant vascular tumors of the head and neck area. The mainstay of treatment for malignant vascular tumors is surgery, but radiotherapy and chemotherapy are also parts of the treatment concept especially in angiosarcomas. Targeted therapy, antiangiogenetic drugs and immunotherapy have been studied as new treatment options. Abstract Malignant vascular tumors of the head and neck are rare neoplasms with variable clinical presentation, wide age distribution, and variable clinical courses. The heterogeneous presentation of angiosarcomas and epithelioid hemangioendothelioma often leads to misdiagnosis and unsuitable treatment. While risk factors for angiosarcomas are previous radiation, chronic lymphedema, and exposure to arsenic, thorium oxide, or vinyl chloride, there are only limited and retrospective data available on prognostic factors in EHE. In both angiosarcomas and EHE, surgery is the mainstay of treatment. There is limited evidence regarding the role of radiotherapy in EHE, although EHE is considered relatively radiosensitive. In angiosarcomas, adjuvant radiotherapy is recommended according to retrospective case series. A standard medical therapy for metastasized malignant vascular tumors is lacking. Chemotherapy, which is effective in angiosarcoma, is mostly ineffective in EHE. Targeted therapy, antiangiogenetic drugs and immunotherapy have been studied as new treatment options. The goal of this review is to summarize the current data regarding malignant vascular tumors along with their diagnosis and management.
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3
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De Felice F, Moscatelli E, Orelli S, Bulzonetti N, Musio D, Tombolini V. Primary thyroid angiosarcoma: A systematic review. Oral Oncol 2018; 82:48-52. [DOI: 10.1016/j.oraloncology.2018.05.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 05/02/2018] [Accepted: 05/07/2018] [Indexed: 11/29/2022]
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Primary diagnosis of angiosarcoma by fine needle aspiration: Lessons learned from 3 cases. Diagn Cytopathol 2017; 46:349-354. [DOI: 10.1002/dc.23853] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 10/06/2017] [Accepted: 10/10/2017] [Indexed: 12/27/2022]
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5
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Ono M, Kasuga Y, Uehara T, Oda Y. Epithelioid hemangioendothelioma of the thyroid: a case report. Surg Case Rep 2017; 3:18. [PMID: 28132160 PMCID: PMC5274636 DOI: 10.1186/s40792-017-0294-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Accepted: 01/24/2017] [Indexed: 01/08/2023] Open
Abstract
Background Epithelioid hemangioendothelioma (EHE) of the thyroid is an extremely rare disease; only three cases have been reported in the English literature to date. Here, we describe a case involving a patient with thyroid EHE successfully treated with curative surgery. Case presentation A 74-year-old woman presented with a right thyroid mass. The nodule was approximately 2 cm in size and was diagnosed as an indeterminate lesion by fine needle aspiration cytology. She was treated with thyroid lobectomy. The histopathological and immunohistochemical findings indicated an EHE of the thyroid. At the latest follow-up, 3 years postoperatively, the patient showed no signs of recurrence. Conclusion There is currently no standard therapy for EHE; however, our case suggests that curative resection represents an effective treatment.
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Affiliation(s)
- Mayu Ono
- Department of Breast and Endocrine Surgery, Nagano Matsushiro General Hospital, 183 Matsushiro, Nagano, 381-1231, Japan. .,Present address: Department of Breast and Endocrine Surgery, Iida Municipal Hospital, 438 Yawatamachi, Iida, 812-8582, Japan.
| | - Yoshio Kasuga
- Department of Breast and Endocrine Surgery, Nagano Matsushiro General Hospital, 183 Matsushiro, Nagano, 381-1231, Japan
| | - Takeshi Uehara
- Department of Laboratory Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Yoshinao Oda
- Department of Anatomic Pathology, Pathological Sciences, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
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A Case of an Epithelioid Hemangioendothelioma Arising from the Innominate Vein Mimicking Cervical Metastatic Lymphadenopathy. Case Rep Surg 2016; 2016:4238575. [PMID: 28058125 PMCID: PMC5183748 DOI: 10.1155/2016/4238575] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Accepted: 10/30/2016] [Indexed: 11/17/2022] Open
Abstract
Background. Epithelioid hemangioendothelioma (EHE) is a rare tumor usually presenting in soft tissue. EHE is a vascular malignancy of intermediate clinical behavior, with a histologic appearance of endothelial cells growing in nests or cords. Although EHE often originates from a vessel, it is relatively rare for a primary vascular EHE to originate from a large vein or artery. Occurrence in the mediastinum is exceptionally rare. There are no known associations with other malignancies. Case Presentation. We present a case of mediastinal invasive EHE in a 39-year-old female with concurrent papillary thyroid cancer. She initially presented with a thyroid mass found by her primary care provider, with preoperative imaging concerning for extension into the superior mediastinum. Operative exploration revealed a mediastinal mass distinct from her thyroid carcinoma with invasion into the great vessels, requiring off-pump interposition graft bypass for en bloc resection. Final pathology confirmed pT3N1b multifocal papillary thyroid carcinoma with a separate grade 1 pT1b EHE. Review of the literature describes the demographics, updated pathologic outcomes, histologic findings, and reported incidence of EHE. Conclusions. This is the first reported case of thyroid malignancy with separate and concurrent EHE. Surgeons should remain aware of this entity given its variable behavior. Although initially described as an indolent neoplasm, tumors with poor prognostic factors have been shown to be locally aggressive.
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Shah AA, Ohori NP, Yip L, Coyne C, Antonescu CR, Seethala RR. Epithelioid Hemangioendothelioma: a Rare Primary Thyroid Tumor with Confirmation of WWTR1 and CAMTA1 Rearrangements. Endocr Pathol 2016; 27:147-52. [PMID: 27026033 DOI: 10.1007/s12022-016-9428-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
We report a rare case of epithelioid hemangioendothelioma as a primary thyroid tumor. To our knowledge, there are only two prior unequivocal cases of primary thyroid epithelioid hemangioendothelioma reported in the English literature. This is the first case in the thyroid with molecular confirmation.
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Affiliation(s)
- Akeesha A Shah
- Department of Pathology, University of Pittsburgh Medical Center, Presbyterian Rm. A609 200 Lothrop St, Pittsburgh, PA, 15213, USA.
| | - N Paul Ohori
- Department of Pathology, University of Pittsburgh Medical Center, Presbyterian Rm. A609 200 Lothrop St, Pittsburgh, PA, 15213, USA
| | - Linwah Yip
- Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Christopher Coyne
- Division of Endocrinology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Cristina R Antonescu
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Raja R Seethala
- Department of Pathology, University of Pittsburgh Medical Center, Presbyterian Rm. A609 200 Lothrop St, Pittsburgh, PA, 15213, USA
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Borchert DH, Massmann A, Kim YJ, Bader CA, Wolf G, Eisele R, Minko P, Bücker A, Glanemann M. Recurrent High-Flow Arterio-Venous Malformation of the Thyroid Gland. Thyroid 2015; 25:1060-3. [PMID: 26061261 DOI: 10.1089/thy.2014.0559] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND Vascular malformations and hemangiomas of the thyroid gland are rare disorders. The first case of a patient with recurrent high-flow arterio-venous malformation of the right thyroid gland involving the right endolarynx is presented. PATIENT FINDINGS In June 2013, a 42-year-old female patient presented to the surgical department with recurrent hoarseness and a soft, vibrating mass on the right side of her neck. In 1993, she underwent right subtotal hemithyroidectomy with embolization on the day before surgery for a high-flow arterio-venous malformation of the thyroid gland. Diagnostic work-up in 2013 demonstrated a complex recurrent high-flow arterio-venous malformation on the right side of her neck involving the endolarynx. Full function of the right vocal fold could not be ascertained. The lesion was embolized again and excised the following day. Intraoperative gross bleeding and scar tissue prevented visualization and monitoring of the recurrent laryngeal nerve. Gross bleeding was also noted on hemithyroidectomy after embolization in 1993. No therapy was needed for the endolaryngeal part of the lesion. Histology showed large arterio-venous malformations with thyroid tissue. She remains well without signs of recurrence 18 month later but with a definitive voice handicap. SUMMARY This is the first report of a recurrent high-flow arterio-venous malformation originally developing from the right thyroid gland involving the right endolarynx. Counseling, diagnostic, and therapeutic work-up of the patient was possible only with an interdisciplinary team. The endolaryngeal part of the hemangioma dried out after embolization and completion hemithyroidectomy. Her hoarseness has greatly improved but a definitive voice handicap remains. CONCLUSION High-flow arterio-venous malformations of the thyroid gland are a rare disease, and recurrent lesions have not been reported. Interdisciplinary management of these patients is mandatory due to the complex nature of the underlying pathology. Recurrence might develop after long free intervals.
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Affiliation(s)
- D H Borchert
- 1 Department of Surgery, Saarland University Hospitals , Homburg, Germany
| | - A Massmann
- 2 Department of Diagnostic and Interventional Radiology, Saarland University Hospitals , Homburg, Germany
| | - Y J Kim
- 3 Institute of Pathology, Saarland University Hospitals , Homburg, Germany
| | - C A Bader
- 4 Department of Otolaryngology, Saarland University Hospitals , Homburg, Germany
| | - G Wolf
- 4 Department of Otolaryngology, Saarland University Hospitals , Homburg, Germany
| | - R Eisele
- 1 Department of Surgery, Saarland University Hospitals , Homburg, Germany
| | - P Minko
- 2 Department of Diagnostic and Interventional Radiology, Saarland University Hospitals , Homburg, Germany
| | - A Bücker
- 2 Department of Diagnostic and Interventional Radiology, Saarland University Hospitals , Homburg, Germany
| | - M Glanemann
- 1 Department of Surgery, Saarland University Hospitals , Homburg, Germany
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Lau A, Malangone S, Green M, Badari A, Clarke K, Elquza E. Combination capecitabine and bevacizumab in the treatment of metastatic hepatic epithelioid hemangioendothelioma. Ther Adv Med Oncol 2015; 7:229-36. [PMID: 26136854 DOI: 10.1177/1758834015582206] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Hepatic epithelioid hemangioendothelioma (HEHE) is a rare, often misdiagnosed vascular neoplasm with clinical behaviors that range from indolent to highly aggressive. Even when the appropriate diagnosis is achieved, the best treatment for HEHE has not been defined or standardized, further complicating the care of these patients. We present a diagnostically challenging case of HEHE where we utilized capecitabine and bevacizumab as another novel treatment option.
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Affiliation(s)
- Augustine Lau
- Yuma Regional Medical Center, Yuma Regional Cancer Center, 2375 S Ridgeview Dr, Yuma, AZ 85364
| | - Steve Malangone
- University of Arizona Cancer Center, Department of Medicine, Division of Hematology/Oncology, Tucson, AZ, USA
| | - Myke Green
- University of Arizona Cancer Center, Department of Medicine, Division of Hematology/Oncology, Tucson, AZ, USA
| | - Ambuga Badari
- Yuma Regional Medical Center Yuma Regional Cancer Center, Yuma, AZ, USA
| | - Kathryn Clarke
- University of Arizona Cancer Center, Department of Medicine, Division of Hematology/Oncology, Tucson, AZ, USA
| | - Emad Elquza
- University of Arizona, College of Medicine and University of Arizona Cancer Center, Department of Medicine, Division of Hematology/Oncology, Tucson, AZ, USA
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Abstract
Angiosarcoma is a rare and aggressive tumor of the thyroid gland, mainly seen in the Alpine regions. We present such a case with literature review. We present the case of a 60-year-old man with cough, dyspnea, and hemoptysis along with slow increase in the size of his long-standing goiter. Computed tomography of the neck showed a large thyroid mass and chest imaging revealed multiple pulmonary nodules. Fine needle aspiration cytology and tru-cut biopsy of the thyroid were notable for poorly differentiated malignant cells. Diagnosis of angiosarcoma of the thyroid was made after total thyroidectomy. Patient died of continued hemoptysis and respiratory failure 3 weeks after admission. We searched the literature for previous case reports using Pubmed and Ovid. Forty-seven reported cases were identified and our case was added to make a database of 48 cases. Demographic and tumor characteristics were analyzed. Angiosarcoma was found to be more common in females and at age of 60 or above. Results were consistent with previously reported series of 14 and 17 cases from Austria. This review provides information on various characteristics angiosarcoma of the thyroid which can be used as baseline data for future reference and research studies for this cancer.
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Affiliation(s)
- Arshpreet Kaur
- Department of Medicine, Sinai Hospital of Baltimore, Baltimore, MD 21215, USA.
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11
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Gaur S, Torabi A, O'Neill TJ. Activity of angiogenesis inhibitors in metastatic epithelioid hemangioendothelioma: a case report. Cancer Biol Med 2013; 9:133-6. [PMID: 23691469 PMCID: PMC3643649 DOI: 10.3969/j.issn.2095-3941.2012.02.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2012] [Accepted: 05/10/2012] [Indexed: 12/27/2022] Open
Abstract
This report describes a patient with metastatic epithelioid hemangioendothelioma treated with bevacizumab and nanoparticle albumin-bound paclitaxel. The treatment was well tolerated and led to the stabilization of an aggressive variant of the disease. This case report is the first one that describes the activity of the combination of chemotherapy and bevacizumab in epithelioid hemangioendothelioma. Literature describing the activity of bevacizumab and other agents (thalidomide, lenalidomide, and interferon) believed to possess anti-angiogenic activities is also reviewed.
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Affiliation(s)
- Sumit Gaur
- Divisions of Hematology-Oncology, Texas Tech University Health Science Center, TX 79905, USA
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12
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Petronella P, Freda F, Ferretti M, Fierro D, Scorzelli M, Canonico S. Angiosarcoma of the thyroid in an old man. BMC Geriatr 2011. [PMCID: PMC3194376 DOI: 10.1186/1471-2318-11-s1-a48] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Abstract
Hemangiosarcoma of the thyroid gland is a very rare entity. The therapy of this tumor is difficult because of its locally aggressive and destructive behavior with a high recurrence rate. We report a case of 60-year-old man with history of 1 month rapidly enlarging neck mass in the thyroid region. Ultrasound examination and CT scan showed resistance arising from the left thyroid lobe. FNAC revealed necrotic tumor mass without any cytological specification. Because of the clinical findings, a total thyroidectomy was indicated. The surgery was complicated by invasion of the tumor mass into the surrounding tissues. Therefore, only left side hemithyroidectomy was performed. Histopathology including histochemistry proved positive staining for Factor VIII, Fasciin, and CD31 in tumor cells. In this case, adjuvant oncological treatment was planned, but the patient died because of massive bleeding from the tumor mass. The histological diagnosis of thyroid hemangiosarcoma is mostly difficult. The treatment of the first choice is radical surgery. If the tumor cannot be treated by surgery, then radiotherapy, eventually chemotherapy is indicated. The prognosis is not favorable.
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14
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Ortiz J, Villabona C, Bengoechea O, Gómez Alfonso FJ, Villabona V, Bullón A. Primary epithelioid angiosarcoma of the thyroid: an infrequent malignant thyroid tumor. ACTA ACUST UNITED AC 2008; 55:181-3. [PMID: 22975456 DOI: 10.1016/s1575-0922(08)70661-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2007] [Accepted: 11/26/2007] [Indexed: 11/28/2022]
Abstract
We present a case of epithelioid angiosarcoma of the thyroid, a rare and aggressive tumor, in a 74-year-old woman with a chronic euthyroid goiter. The tumor, which involved most of the glandular surface of the thyroid, showed an infiltrating histological pattern, with epithelioid cells displaying a tendency to form vascular lights. Immunohistochemical analysis (CD31 and factor VIII) confirmed the angiomatous nature of the neoplasm and enabled us to establish the differential diagnosis with other malignant processes that can also affect this anatomical area.
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Affiliation(s)
- Javier Ortiz
- Servicio de Anatomía Patológica. Hospital Universitario de Salamanca. Salamanca. España.
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15
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Papotti M, Arrondini M, Tavaglione V, Veltri A, Volante M. Diagnostic controversies in vascular proliferations of the thyroid gland. Endocr Pathol 2008; 19:175-83. [PMID: 18766472 DOI: 10.1007/s12022-008-9039-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Vascular lesions are one of the most controversial issues in thyroid pathology. The differential diagnosis includes benign lesions on one side, i.e., endothelial reactive hyperplasia (Masson's "hemangioma") in goiter and hemangioma, and malignant tumors on the other, i.e., angiosarcomas and undifferentiated (angio)sarcomatoid carcinomas. Benign reactive endothelial hyperplasia with atypias mimicking malignant tumors may occur in long-standing nodular goiter, as a result of spontaneous hemorrhage followed by granulation tissue and fibrous organization. Alternatively, it may follow a fine-needle aspiration biopsy (FNAB) procedure. Angiosarcoma is a rare primary malignant thyroid tumor, mainly observed in endemic goiter areas displaying morphologic and phenotypical similar to those typical of angiosarcomas in other locations (including focal cytokeratin expression). The distinction between angiosarcoma and (angio)sarcomatoid anaplastic carcinoma is difficult and the true existence of angiosarcoma has been challenged. Other extremely rare vascular lesions or mimics in the thyroid include benign hemangioma and pseudo-angiosarcomatous variant of medullary carcinoma. The differential diagnosis between benign and malignant vascular conditions in FNAB material is extremely challenging, and the cytopathology report should be remarkably cautious, especially in poorly cellular and highly hemorrhagic cases: atypias in endothelial cells are not per se indicative of malignancy, being a common feature of reactive endothelial hyperplasia in infracted goiter nodules as well.
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Affiliation(s)
- Mauro Papotti
- Department of Pathology, University of Turin, San Luigi Hospital, Orbassano, Turin, Italy
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Saqi A, Nisbet L, Gagneja P, Leslie KO. Primary pleural epithelioid hemangioendothelioma with rhabdoid phenotype: report and review of the literature. Diagn Cytopathol 2007; 35:203-8. [PMID: 17351942 DOI: 10.1002/dc.20620] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Epithelioid hemangioendothelioma (EHE) is a rare malignant vascular tumor described in diverse locations including lung and liver. Relative to these sites, primary EHE of the serous cavities is uncommon. EHE in the serous cavities mimics mesothelioma and adenocarcinoma clinically, radiographically, cytologically, and histologically. EHEs have plasmacytoid epithelioid cells with cytoplasmic vacuoles. In addition to these features, we noted eccentric nuclei with abundant eosinophilic cytoplasm and nuclei displaced peripherally by globular cytoplasmic inclusions imparting a "rhabdoid" phenotype. These cells were often seen surrounding a hyaline core. Rhabdoid features are not unique to a single entity, and a comprehensive immunohistochemical panel is essential. We report the occurrence of pleural EHE with rhabdoid features presenting in a pleural effusion, and review the literature of primary serosal EHEs.
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Affiliation(s)
- Anjali Saqi
- Department of Pathology, New York Presbyterian Hospital, Weill Cornell Medical Center, 520 East 70th Street, New York, NY 10021, USA.
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Abstract
Diagnostic considerations
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Affiliation(s)
- A Sitges-Serra
- Department of Surgery, Hospital del Mar, Passeig Marítim 25-29, 08003 Barcelona, Spain.
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