K R Anila, Iswarya S Nair, Lekha M Nair, Shaji Thomas
{"title":"Intrathyroidal thymic carcinoma not so indolent a neoplasm?","authors":"K R Anila, Iswarya S Nair, Lekha M Nair, Shaji Thomas","doi":"10.4103/ijpm.ijpm_232_23","DOIUrl":null,"url":null,"abstract":"<p><strong>Abstract: </strong>Intrathyroidal thymic carcinoma (ITC) is a very rare malignant epithelial tumor of the thyroid gland with thymic epithelial differentiation. Here, we are reporting the case of an eighty-year-old man who at presentation had extrathyroidal spread to the larynx and metastasis to regional lymph nodes. Though the tumor had a relatively low-grade morphology, there were areas of high mitotic activity with areas of necrosis. The classically described ivory-white gross appearance of the tumor, histomorphology of thick bands dividing the tumor into lobules, squamous cell differentiation, tight whorls of cells resembling Hassall's corpuscle, and areas showing dense lymphocytic infiltration, together with an immunoprofile of CD5, Ckit, Tumor protein 63 (p63), and B-cell lymphoma 2 gene (bcl2) positivity, helped in diagnosing this rare entity. Though classically ITC is said to have a good prognosis, cases with spread to adjacent organs and lymph node metastasis may not have an indolent course.</p>","PeriodicalId":13488,"journal":{"name":"Indian Journal of Pathology and Microbiology","volume":"1 1","pages":"628-630"},"PeriodicalIF":0.8000,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Indian Journal of Pathology and Microbiology","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.4103/ijpm.ijpm_232_23","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2023/6/21 0:00:00","PubModel":"Epub","JCR":"Q4","JCRName":"PATHOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Abstract: Intrathyroidal thymic carcinoma (ITC) is a very rare malignant epithelial tumor of the thyroid gland with thymic epithelial differentiation. Here, we are reporting the case of an eighty-year-old man who at presentation had extrathyroidal spread to the larynx and metastasis to regional lymph nodes. Though the tumor had a relatively low-grade morphology, there were areas of high mitotic activity with areas of necrosis. The classically described ivory-white gross appearance of the tumor, histomorphology of thick bands dividing the tumor into lobules, squamous cell differentiation, tight whorls of cells resembling Hassall's corpuscle, and areas showing dense lymphocytic infiltration, together with an immunoprofile of CD5, Ckit, Tumor protein 63 (p63), and B-cell lymphoma 2 gene (bcl2) positivity, helped in diagnosing this rare entity. Though classically ITC is said to have a good prognosis, cases with spread to adjacent organs and lymph node metastasis may not have an indolent course.
期刊介绍：
The journal will cover studies related to pathology including morbid anatomy, surgical pathology, clinical pathology, diagnostic cytopathology including gynecologic cytology and aspiration cytology, hematology including immuno-hematology and medical microbiology. The journal gives preference to clinically oriented studies over experimental and animal studies. The Journal would publish peer-reviewed original research papers, case reports, systematic reviews, meta-analysis, letters to the editor and brief communications. Review articles on current topics usually are invited by the editor.
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