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Ge-ge L, Cuicui G, Leiqiang L, Yongcang T, Jiangang M, Yiwen O, Li-zhe S. Case report: A case report and literature review about Pathological transformation of lung adenosquamous cell carcinoma. Front Oncol 2022; 12:1029679. [PMID: 36330480 PMCID: PMC9623338 DOI: 10.3389/fonc.2022.1029679] [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: 08/27/2022] [Accepted: 09/30/2022] [Indexed: 11/25/2022] Open
Abstract
Background Lung adenosquamous carcinoma is a relatively rare pathological type in lung cancer. The incidence of gene mutation is lower than that of lung adenocarcinoma. However, the cases of pathological transformation after targeted treatment of EGFR gene mutation are more rare. Case introduction A 55 year old female was diagnosed with lung cancer and underwent surgical treatment.The pathology suggested adenosquamous cell carcinoma. Genetic test was EGFR-L858R. After surgery, she was treated with gefitinib targeted therapy. After 2 years of surgery, she developed brain metastasis. surgery was performed again. The pathology suggested squamous cell carcinoma. She continued to take gefitinib targeted therapy orally. After one month later since brain metastasis, she was found to have heart cavity metastasis and surgery was performed for the third time. Besides, the pathology suggested adenosquamous cell carcinoma. Genetic test was EGFR-p E746_ A750del, T790M (-), and we replaced with the second-generation EGFR-TKI afatinib targeted therapy. Up to now, no recurrence or metastasis has been found. Conclusion We now report a rare case of lung adenosquamous carcinoma with pathological transformation during targeted therapy, which is intended to provide therapeutic ideas for the treatment of lung adenosquamous carcinoma in clinical practice. In addition, we reviewed previously reported tumor heterogeneity in the literature.
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Yuki M, Shimada R, Omachi T. Primary Adenosquamous Cell Carcinoma of the Ileum in a Dog. Vet Sci 2020; 7:vetsci7040155. [PMID: 33066608 PMCID: PMC7712115 DOI: 10.3390/vetsci7040155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 10/05/2020] [Accepted: 10/13/2020] [Indexed: 11/21/2022] Open
Abstract
A 9-year-old male, castrated Chihuahua was examined because of a 7-day history of intermittent vomiting. A mass in the small intestine was identified on abdominal radiography and ultrasonography. Laparotomy revealed a mass lesion originating in the ileum, and surgical resection was performed. The mass was histologically diagnosed as adenosquamous cell carcinoma. Chemotherapy with carboplatin was initiated, but the dog was suspected to have experienced recurrence 13 months after surgery and died 3 months later. To our knowledge, this is the first case report to describe the clinical course of adenosquamous cell carcinoma in the small intestine of a dog.
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Affiliation(s)
- Masashi Yuki
- Yuki Animal Hospital, 2-99 kiba-cho, Minato-ku, Nagoya, Aichi 455-0021, Japan;
- Correspondence:
| | - Roka Shimada
- Yuki Animal Hospital, 2-99 kiba-cho, Minato-ku, Nagoya, Aichi 455-0021, Japan;
| | - Tetsuo Omachi
- Patho Labo, 9-400 Oomurokougen, Ito, Shizuoka 413-0235, Japan;
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Shi X, Shao X, Zhang Y, Wu F, Tao Y. Tumor Location and Survival Outcomes in Lung Adenosquamous Carcinoma: A Propensity Score Matched Analysis. Med Sci Monit 2020; 26:e922138. [PMID: 32612094 PMCID: PMC7357254 DOI: 10.12659/msm.922138] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Background There is little information in the literature available on lung adenosquamous carcinoma (LASC). The association between tumor location and survival outcomes in LASC is poorly understood. Our study was designed to probe the effect of tumor location on survival outcomes of LASC. Material/Methods Patients with LASC between 2004 and 2015 were identified using the Surveillance, Epidemiology and End Results (SEER) databases. The patients were divided into 2 groups, a main bronchus group and a peripheral group, according to their primary sites. The Propensity Score Matching (PSM) method was used to reduce possible bias between groups. The primary endpoints were overall survival (OS) and cancer-specific survival (CSS). Results A total of 3176 patients, afflicted with LASC between 2004 and 2015, were extracted from the SEER databases. Of these, 212 patients were found to be eligible for analysis after a propensity 1: 1 nearest neighbor matched analysis. After PSM, multivariate Cox regression analysis showed that primary site, American Joint Committee on Cancer (AJCC) stage, T stage and surgery were independent predictors of LASC in both OS and CSS. Kaplan-Meier survival analysis showed that patients with LASC located in a peripheral site had better survival outcomes than those with LASC located in the main bronchus. In subgroup analysis, the advantages of tumor located in a peripheral site were more pronounced in female patients and AJCC stage I patients. Conclusions Tumor location may have an impact on the survival outcomes of patients with LASC. Patients with LASC located in a peripheral site had better survival outcomes than patients with LASC located in the main bronchus, particularly in female patients and AJCC stage I patients.
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Affiliation(s)
- Xinlin Shi
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Yangzhou University, Yangzhou, Jiangsu, China (mainland)
| | - Xiangrong Shao
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Yangzhou University, Yangzhou, Jiangsu, China (mainland)
| | - Yawen Zhang
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Yangzhou University, Yangzhou, Jiangsu, China (mainland)
| | - Feng Wu
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Yangzhou University, Yangzhou, Jiangsu, China (mainland)
| | - Yujian Tao
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Yangzhou University, Yangzhou, Jiangsu, China (mainland)
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Wu X, Yu W, Petersen RH, Sheng H, Wang Y, Lv W, Hu J. A competing risk nomogram predicting cause-specific mortality in patients with lung adenosquamous carcinoma. BMC Cancer 2020; 20:429. [PMID: 32416716 PMCID: PMC7231424 DOI: 10.1186/s12885-020-06927-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 05/04/2020] [Indexed: 01/18/2023] Open
Abstract
Background Adenosquamous carcinoma (ASC) is an uncommon histological subtype of lung cancer. The purpose of this study was to assess the cumulative incidences of lung cancer-specific mortality (LC-SM) and other cause-specific mortality (OCSM) in lung ASC patients, and construct a corresponding competing risk nomogram for LC-SM. Methods Data on 2705 patients with first primary lung ASC histologically diagnosed between 2004 and 2015 were extracted from the Surveillance, Epidemiology, and End Results (SEER) database. The cumulative incidence function (CIF) was utilized to calculate the 3-year and 5-year probabilities of LC-SM and OCSM, and a competing risk model was built. Based on the model, we developed a competing risk nomogram to predict the 3-year and 5-year cumulative probabilities of LC-SM and the corresponding concordance indexes (C-indexes) and calibration curves were derived to assess the model performance. To evaluate the clinical usefulness of the nomogram, decision curve analysis (DCA) was conducted. Furthermore, patients were categorized into three groups according to the tertile values of the nomogram-based scores, and their survival differences were assessed using CIF curves. Results The 3-year and 5-year cumulative mortalities were 49.6 and 55.8% for LC-SM and 8.2 and 11.8% for OCSM, respectively. In multivariate analysis, increasing age, male sex, no surgery, and advanced T, N and M stages were related to a significantly higher likelihood of LC-SM. The nomogram showed good calibration, and the 3-year and 5-year C-indexes for predicting the probabilities of LC-SM in the validation cohort were both 0.79, which were almost equal to those of the ten-fold cross validation. DCA demonstrated that using the nomogram gained more benefit when the threshold probabilities were set within the ranges of 0.24–0.89 and 0.25–0.91 for 3-year and 5-year LCSM, respectively. In both the training and validation cohorts, the high-risk group had the highest probabilities of LC-SM, followed by the medium-risk and low-risk groups (both P < 0.0001). Conclusions The competing risk nomogram displayed excellent discrimination and calibration for predicting LC-SM. With the aid of this individualized predictive tool, clinicians can more expediently devise appropriate treatment protocols and follow-up schedules.
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Affiliation(s)
- Xiao Wu
- Department of Thoracic Surgery, First Affiliated Hospital, College of Medicine, Zhejiang University, No. 79, Qingchun Road, Hangzhou, 310003, China
| | - Wenfeng Yu
- Department of Thoracic Surgery, First Affiliated Hospital, College of Medicine, Zhejiang University, No. 79, Qingchun Road, Hangzhou, 310003, China
| | - R H Petersen
- Department of Cardiothoracic Surgery, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Hongxu Sheng
- Department of Thoracic Surgery, First Affiliated Hospital, College of Medicine, Zhejiang University, No. 79, Qingchun Road, Hangzhou, 310003, China
| | - Yiqing Wang
- Department of Thoracic Surgery, First Affiliated Hospital, College of Medicine, Zhejiang University, No. 79, Qingchun Road, Hangzhou, 310003, China
| | - Wang Lv
- Department of Thoracic Surgery, First Affiliated Hospital, College of Medicine, Zhejiang University, No. 79, Qingchun Road, Hangzhou, 310003, China
| | - Jian Hu
- Department of Thoracic Surgery, First Affiliated Hospital, College of Medicine, Zhejiang University, No. 79, Qingchun Road, Hangzhou, 310003, China.
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Funamizu N, Nakabayashi Y, Dairaku K, Tomori K, Hiramoto Y, Kurihara K. Intestinal obstruction caused by primary adenosquamous cell carcinoma of the small intestine: A case report and review of the literature. Mol Clin Oncol 2019; 10:235-238. [PMID: 30680200 DOI: 10.3892/mco.2018.1785] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Accepted: 12/03/2018] [Indexed: 01/17/2023] Open
Abstract
Primary adenosquamous cell carcinoma (ASCC) arising from the ileum is an exceptionally rare malignant neoplasm exhibiting mixed glandular and squamous differentiation. The clinicopathological characteristics of ASCC have not been clearly determined due to its rarity. We herein report a case of a 74-year-old man with a successfully treated ASCC of the ileum. The patient visited a medical clinic due to abdominal pain. Abdominal computed tomography imaging revealed an intestinal tumor in the ileum. Prior to undergoing capsule endoscopy, the patient complained of severe abdominal pain due to intestinal obstruction from the patency capsule and the tumor. Thus, the patient was referred to our hospital for emergency surgery. Upon relieving the obstruction by partial resection of the ileum, an impacted patency capsule with a tumor with ulceration was identified. On histological examination, the tumor consisted of malignant glandular and squamous cell elements. The postoperative course was uneventful, without complications. The patient subsequently received adjuvant chemotherapy with oxaliplatin and capecitabine for 6 months. The patient has no evidence of recurrence 20 months after surgery. To the best of our knowledge, only 8 cases of ASCC have been reported in the English literature to date. This case serves as an important reminder to consider small intestinal carcinoma, including ASCC, in the differential diagnosis of intestinal obstruction.
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Affiliation(s)
- Naotake Funamizu
- Department of Digestive Surgery, Kawaguchi Municipal Medical Center, Kawaguchi, Saitama 333-0833, Japan
| | - Yukio Nakabayashi
- Department of Digestive Surgery, Kawaguchi Municipal Medical Center, Kawaguchi, Saitama 333-0833, Japan
| | - Katsushi Dairaku
- Department of Digestive Surgery, Kawaguchi Municipal Medical Center, Kawaguchi, Saitama 333-0833, Japan
| | - Kenta Tomori
- Department of Digestive Surgery, Kawaguchi Municipal Medical Center, Kawaguchi, Saitama 333-0833, Japan
| | - Yuki Hiramoto
- Department of Digestive Surgery, Kawaguchi Municipal Medical Center, Kawaguchi, Saitama 333-0833, Japan
| | - Kazunao Kurihara
- Department of Digestive Surgery, Kawaguchi Municipal Medical Center, Kawaguchi, Saitama 333-0833, Japan
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Zhan C, Jiang T, Yang X, Guo W, Tan L. [Clinical Characteristics and Prognostic Factors of Lung Adenosquamous Carcinoma
in SEER Database between 2010 and 2015]. ZHONGGUO FEI AI ZA ZHI = CHINESE JOURNAL OF LUNG CANCER 2018; 21:600-609. [PMID: 30172267 PMCID: PMC6105351 DOI: 10.3779/j.issn.1009-3419.2018.08.14] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
背景与目的 肺癌发病率和死亡率均位居所有恶性肿瘤的第一,严重影响人类健康。非小细胞肺癌(non-small cell lung cancer, NSCLC)中常见病理类型为腺癌和鳞癌,临床研究和关注较多,而肺腺鳞癌是一种较为罕见的肺癌病理类型,其临床特征及预后相关因素尚未完全明确。本研究即对肺腺鳞癌的临床特征及预后进行分析,并构建了列线图来预测患者的预后。 方法 我们纳入了2010年-2015年美国SEER(Surveillance, Epidemiology, and End Results)数据库中的肺腺鳞癌数据,与同期的肺腺癌和肺鳞癌的临床特征和预后进行了比较。随后我们采用单因素和多因素分析研究了肺腺鳞癌患者预后的独立相关因素,以此构建了列线图并进行了验证。 结果 我们一共入组了肺腺鳞癌患者1, 453例。与同期的肺腺癌和肺鳞癌患者相比较,肺腺鳞癌患者在大多数变量中的分布情况均介于肺腺癌和鳞癌之间,其预后也优于肺鳞癌但差于肺腺癌患者。多因素分析发现,年龄、分化程度、肿瘤-淋巴结-转移(tumor-node-metastasis, TNM)、手术和化疗是患者预后的独立影响因素(P均 < 0.001)。我们以此构建了列线图,其C-index为0.783(0.767-0.799),区分度检验和一致性检验均表明这一列线图可以有效地预测患者预后。 结论 肺腺鳞癌具有独特的临床病理和预后特征。年龄、分化、T、N、M、手术和化疗状况是肺腺鳞癌患者预后的独立预测因素。我们以此构建的列线图可以较好地预测患者预后。
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Affiliation(s)
- Cheng Zhan
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Tian Jiang
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Xiaodong Yang
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Weigang Guo
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Lijie Tan
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
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Abstract
Adenosquamous carcinoma of the lung (ASC), a relatively rare subtype of non-small-cell lung cancer, is defined as a malignancy containing components of lung adenocarcinoma (ADC) and lung squamous cell carcinoma (SCC). Although ASC has biological characteristics of ADC and SCC, it is not by any means a simple hybrid of two components above. It is extremely difficult to diagnose preoperatively; pathology of surgically resected gross specimen is the most effective means for adequate diagnosis of ASC. Platinum-based postoperative adjuvant chemotherapy for at least four cycles can significantly improve the survival in stage III patients with ASC. Epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs) such as erlotinib and gefitinib can be the effective therapeutic strategies for advanced EGFR-mutant ASC. The studies of crizotinib in the treatment of patients with ASC are very limited. Immune checkpoint blockade therapy may be a potential treatment choice for ASC patients.
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Affiliation(s)
- Chenghui Li
- The Second Clinical Medical College of Zhejiang Chinese Medical University, Hangzhou, Zhejiang province, People's Republic of China.,Department of Thoracic Medical Oncology, Zhejiang Cancer Hospital, Hangzhou, People's Republic of China,
| | - Hongyang Lu
- Department of Thoracic Medical Oncology, Zhejiang Cancer Hospital, Hangzhou, People's Republic of China, .,Zhejiang Key Laboratory of Diagnosis & Treatment Technology on Thoracic Oncology (Lung and Esophagus), Zhejiang Cancer Hospital, Hangzhou, People's Republic of China,
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8
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Wang J, Lian B, Ye L, Hu J, Song Y. Clinicopathological characteristics and survival outcomes in adenosquamous carcinoma of the lung: a population-based study from the SEER database. Oncotarget 2017; 9:8133-8146. [PMID: 29487721 PMCID: PMC5814288 DOI: 10.18632/oncotarget.23550] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Accepted: 10/28/2017] [Indexed: 02/07/2023] Open
Abstract
Adenosquamous carcinoma (ASC) of the lung is an unusual histology type in non-small-cell lung cancers. Due to its rarity, the clinicopathological characteristics and survival outcomes of the lung ASC are incompletely understood. We used the Surveillance, Epidemiology, and End Results (SEER) database to enroll 203,208 eligible patients, including 4,245 ASC, 124,253 adenocarcinoma (ADC) and 74,710 squamous cell carcinoma (SCC) patients. To date, this is the largest cohort in a study for ASC of the lung. With regard to age, sex, race, year of diagnosis, tumor size and SEER stage, ASC was intermediate between ADC and SCC. However, compared with ADC and SCC patients, ASC patients presented with a higher tumor grade and lower prevalence of nodal metastasis. More ASC patients underwent surgery and a lower proportion underwent radiation treatment and chemotherapy. Kaplan-Meier analysis showed that ASC patients had a better prognosis than ADC and SCC patients, but stratified analysis showed that the prognosis of ASC patients was worse than that of ADC and SCC patients in surgery and non-surgery subgroup. Multivariate analysis further confirmed that the ASC histology type was a risk factor for poor prognosis with respect to ADC and SCC. Using the propensity score matching to 1:1 match ASC with ADC or SCC, we found that ASC patients had worse survival than ADC and SCC patients. Subgroup analysis further demonstrated that ASC was a more aggressive histology type with a worse prognosis. These results provided a deep understanding of ASC, which contributed to better clinical diagnosis and treatment.
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Affiliation(s)
- Jian Wang
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University, Shanghai 200030, China
| | - Bi Lian
- Department of Breast Surgery, Key Laboratory of Breast Cancer in Shanghai, Fudan University Shanghai Cancer Center, Fudan University, Shanghai 200030, China
| | - Ling Ye
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University, Shanghai 200030, China
| | - Jie Hu
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University, Shanghai 200030, China
| | - Yuanlin Song
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University, Shanghai 200030, China
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Guo Y, Jia L, Shao GG, Sun HW, Wang XX, Wang GJ, Ma KW. Clinicopathological characteristics and prognosis of patients with adenosquamous lung carcinoma. ACTA ACUST UNITED AC 2015; 35:350-355. [DOI: 10.1007/s11596-015-1436-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Revised: 12/26/2014] [Indexed: 11/28/2022]
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Kusafuka K, Muramatsu K, Iida Y, Mori K, Miki T, Suda T, Fuke T, Kamijo T, Onitsuka T, Nakajima T. MUC expression in adenosquamous carcinoma of the head and neck regions of Japanese patients: Immunohistochemical analysis. Pathol Int 2014; 64:104-14. [DOI: 10.1111/pin.12144] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2013] [Accepted: 02/02/2014] [Indexed: 11/27/2022]
Affiliation(s)
- Kimihide Kusafuka
- Pathology Division; Shizuoka Cancer Center; Sunto-gun Shizuoka Japan
| | - Koji Muramatsu
- Pathology Division; Shizuoka Cancer Center; Sunto-gun Shizuoka Japan
| | - Yoshiyuki Iida
- Division of Head and Neck Surgery; Shizuoka Cancer Center; Sunto-gun Shizuoka Japan
| | - Keita Mori
- Clinical Trial Coordination Office; Shizuoka Cancer Center; Sunto-gun Shizuoka Japan
| | - Tomoko Miki
- Pathology Division; Shizuoka Cancer Center; Sunto-gun Shizuoka Japan
| | - Toshihito Suda
- Division of Head and Neck Surgery; Shizuoka Cancer Center; Sunto-gun Shizuoka Japan
| | - Tomohito Fuke
- Division of Head and Neck Surgery; Shizuoka Cancer Center; Sunto-gun Shizuoka Japan
| | - Tomoyuki Kamijo
- Division of Head and Neck Surgery; Shizuoka Cancer Center; Sunto-gun Shizuoka Japan
| | - Tetsuro Onitsuka
- Division of Head and Neck Surgery; Shizuoka Cancer Center; Sunto-gun Shizuoka Japan
| | - Takashi Nakajima
- Pathology Division; Shizuoka Cancer Center; Sunto-gun Shizuoka Japan
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Yamatani C, Abe M, Shimoji M, Maniwa T, Takahashi S, Isaka M, Ohde Y, Watanabe R, Ito I, Kondo H, Nakajima T. Pulmonary adenosquamous carcinoma with mucoepidermoid carcinoma-like component with characteristic p63 staining pattern: either a novel subtype originating from bronchial epithelium or variant mucoepidermoid carcinoma. Lung Cancer 2014; 84:45-50. [PMID: 24513264 DOI: 10.1016/j.lungcan.2014.01.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2013] [Revised: 01/10/2014] [Accepted: 01/15/2014] [Indexed: 01/26/2023]
Abstract
BACKGROUND Our previous study found unique adenosquamous carcinomas (ADSQs) containing a mucoepidermoid carcinoma (MEC)-like component and a characteristic p63 staining pattern. This study focused on these unique ADSQs. METHODS Thirty ADSQ cases were studied histologically and by immunohistochemistry for TTF-1 and p63. Of these 30 ADSQs, eight were selected as unique ADSQs. The clinicopathological characteristics of these ADSQs were further studied, and the gene rearrangement of mammalian mastermind-like 2 (MAML2) was investigated by fluorescence in situ hybridization (FISH) for differentiation from pulmonary MEC. RESULTS The clinicopathological characteristics between the eight ADSQs and the other ADSQ cases showed no statistically significant differences, except for serum CEA level. Histologically, the eight ADSQs contained varying degrees of the MEC-like component, which consisted of solid nests with mucin-filled cysts or a cribriform-like structure. Immunohistochemically, p63-positive nuclei characteristically encircled the tumor nests, although TTF-1 was completely negative. All unique ADSQs not only had a variable degree of squamous cell carcinoma component in addition to the MEC-like component, but also contained a small tubular adenocarcinoma component in three tumors. FISH analysis revealed no MAML2 gene rearrangement in the eight ADSQs. CONCLUSIONS Of the 30 ADSQs investigated in this study, eight contained a MEC-like component with a characteristic p63 basilar staining pattern similar to that of bronchial basal cells. These unique ADSQs shared clinical characteristics with ordinary ADSQs, but clinicopathologically differed from pulmonary ordinary MEC. Therefore, these unique ADSQs may be either a novel ADSQ subtype originating from bronchial epithelium or variant-type MEC.
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Affiliation(s)
| | - Masato Abe
- Division of Diagnostic Pathology, Shizuoka Cancer Center, Japan
| | - Masaki Shimoji
- Division of Thoracic Surgery, Shizuoka Cancer Center, Japan
| | | | | | | | - Yasuhisa Ohde
- Division of Thoracic Surgery, Shizuoka Cancer Center, Japan
| | - Reiko Watanabe
- Division of Diagnostic Pathology, Shizuoka Cancer Center, Japan
| | - Ichiro Ito
- Division of Diagnostic Pathology, Shizuoka Cancer Center, Japan
| | - Haruhiko Kondo
- Department of Surgery, Kyorin University School of Medicine, Japan
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Dyhdalo KS, Chen L. Endobronchial ultrasound-guided fine-needle aspiration cytology of bronchial low-grade mucoepidermoid carcinoma: Rapid on-site evaluation of cytopathologic findings. Diagn Cytopathol 2012; 41:1096-9. [DOI: 10.1002/dc.22928] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2012] [Accepted: 08/10/2012] [Indexed: 12/19/2022]
Affiliation(s)
| | - Longwen Chen
- Department of Laboratory Medicine and Pathology; Mayo Clinic; Scottsdale Arizona
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