Myoepithelioma within the carpal tunnel: a case report and review of the literature.
Jonathan Cm Clark, Stuart J Galloway, Stephen M Schlicht, Ross Pv McKellar, Peter Fm Choong
International Seminars in Surgical Oncology | Published : 2009
Myoepitheliomas of the extremity are rare and usually benign, while a minority display malignant features. This case demonstrates the diagnosis and management of myoepithelioma within the carpal tunnel. Clinical and radiological tumour features were evaluated. Hematoxylin and eosin stained tumour sections were examined, and immunohistochemistry was performed. Histology revealed a nodular mass of epithelioid cells in clusters within a myxoid/chondroid stroma. No mitoses were noted. Cytokeratins, neuron-specific enolase, synaptophysin, glial fibrillary acidic protein, and S100 were positive on immunohistochemistry. A literature review revealed very few prior reports of myoepithelioma in the wr..View full abstract