- Aspiration Cytology of Cervical Thymoma: A Case Report.
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Xian Ji Jin, Ju Young Song, Suk Jin Choi, Lucia Kim, In Suh Park, Jee Young Han, Joon Mee Kim, Young Chae Chu
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Korean J Pathol. 2010;44(4):444-447.
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DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.4.444
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 Abstract
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- An ectopic cervical thymoma is an uncommon tumor of the neck displaying the same histologic features as a mediastinal thymoma. Because of its unusual location, this mass is often confused as originating from the thyroid. In this report we describe a case of cervical type AB thymoma. Aspiration cytologic smears were highly cellular and revealed irregular tissue fragments, cohesive sheets, and clusters of crowded epithelial cells intermingled with many small lymphocytes.
The epithelial cells had oval and spindle shaped bland-looking nuclei and scant cytoplasm with indistinct cell borders. Mitosis, nuclear atypia, and necrosis were not observed. The cells were focally arranged in a nesting pattern. Many small lymphocytes, a few activated lymphocytes, and lymphoid tangles were seen in the background. A cytologic misdiagnosis of "possible carcinoma" was rendered. Therefore, ectopic thymoma should also be considered in fine needle aspiration cytology of a neck mass when the smear shows epithelial and lymphoid components.
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Citations
Citations to this article as recorded by  - Aspiration cytology of an ectopic cervical thymoma misinterpreted as a lymphoproliferative lesion of the thyroid: A case report
YI-YING LEE, WEN-CHING WANG, CHIEN-FENG LI
Oncology Letters.2015; 10(3): 1255. CrossRef
- Cytology of Follicular Dendritic Cell Sarcoma on Intraoperative Touch Imprint Smears: A Case Report.
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Ju Young Song, Xian Ji Jin, Jee Young Han, Lucia Kim, In Suh Park, Joon Mee Kim, Young Chae Chu, Suk Jin Choi
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Korean J Pathol. 2009;43(6):589-593.
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DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.6.589
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3,037
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- Follicular dendritic cell (FDC) sarcoma is a neoplastic proliferation of FDCs. Because its cytologic findings can vary widely, both the cytomorphology and histopathology of FDC sarcoma can impose a significant diagnostic dilemma. We present cytologic features of FDC sarcoma assessed by intraoperative touch imprint. Intra-abdominal lymphadenopathies were noted in 54-year-old male with hepatitis B-virus associated liver cirrhosis. In contrast to cytologic features of classical FDC sarcoma, the tumor cells featured a large epithelioid or Reed-Sternberg cell-like shape scattered in a background with abundant inflammatory cells, which led to a mistaken diagnosis of malignant lymphoma. However, in accordance with cytologic features previously described in the literature, the tumor cells were characterized by a fragile cytoplasm with cytoplasmic processes in dendritic or reticulated patterns reminiscent of the ultrastructural features of FDC. Cytoplasmic features rendering nuclei with a tendency to form clusters or syncytial aggregates associated with reactive lymphocytes appear to be the most valuable finding in diagnosis of FDC sarcoma.
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Citations
Citations to this article as recorded by - Cytomorphology of follicular dendritic cell sarcoma: a report of 7 cases with an emphasis on the diagnostic challenges
Cody Weimholt, Jalal B. Jalaly, Cedric Bailey
Journal of the American Society of Cytopathology.2023; 12(3): 229. CrossRef - A Cytological Review of Follicular Dendritic Cell-Derived Tumors with Emphasis on Follicular Dendritic Cell Sarcoma and Unicentric Castleman Disease
José A. Jiménez-Heffernan, Cristina Díaz del Arco, Magdalena Adrados
Diagnostics.2022; 12(2): 406. CrossRef - Cytological diagnosis of follicular dendritic cell sarcoma: A case report and review of literature
A. Dutta, P. Arun, P. Roy, I. Arun
Cytopathology.2018; 29(5): 461. CrossRef
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