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- Title
Fine-needle aspiration cytology of epithelioid leiomyoblastoma.
- Authors
Thompson, Karen Sue; Jensen, Joanne; Reyes, Cesar V.
- Abstract
Purpose. Epithelioid leiomyoblastomas comprise the majority of gastric sarcomas and are uncommon in other parts of the gastrointestinal tract. Diagnosis of this lesion by fine-needle aspiration cytology has been occasionally described in the literature.Two additional cases are herein reported. Subjects . A 66-year old male with an omental mass and a 47-year old male with a perihepatic tumor. Results and Discussion . Cytologic materials in both cases showed predominantly round or epithelioid cells, along with polygonal to spindle cells, occuring singly and in clusters, with oval to spindle-shaped nuclei. The nuclei were monotonous, usually banal, and centrally-located with only focal suggestion of pleomorphism and rare mitosis. Eosinophilic cytoplasm was noted in most of the cells, some demonstrating vacuolation. Electron microscopy supported a primitive smooth cell derivation of the neoplastic cells. Conclusions . The cytomorphology of the tumors of the two cases reported here is not adequately known. More cases need to be collected and studied.
- Subjects
EPITHELIAL cell tumors; SARCOMA
- Publication
Sarcoma, 1999, Vol 3, Issue 1, p5
- ISSN
1357-714X
- Publication type
Article
- DOI
10.1080/13577149977802