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- Title
Ectopic Hamartomatous Thymoma.
- Authors
Shi Nae Lee; Min Sun Cho, Charles G.; Heasoo Koo, Charles G.; Woon Sup Han, Charles G.
- Abstract
Ectopic hamartomatous thymoma is a rare benign tumor that consists of spindle, epithelial, and adipose cell elements. We present a case of this lesion arising in the supraclavicular region of a 59-year-old man, including the characteristic immunohistochemical and ultrastructural findings. DNA flow cytometry revealed diploidy with a low proliferation index (6.73%). The tumor contained CD99 1 lymphocytes; CD99 (MIC2) can serve as a useful marker of immature T cells. These findings suggest that ectopic hamartomatous thymoma may develop from the third branchial pouch or thymic anlage.
- Subjects
TUMORS; SPINDLE apparatus; CYTOMETRY; LYMPHOCYTES; T cells
- Publication
Archives of Pathology & Laboratory Medicine, 2003, Vol 127, Issue 9, p378
- ISSN
0003-9985
- Publication type
Article
- DOI
10.5858/2003-127-e378-ehtacr