Recurrent nodule on the nasal columella: A good reason to re-biopsy

DermSurgery Associates, Houston, and ProPath Laboratories, Dallas, Texas 77030, USA.
International journal of dermatology (Impact Factor: 1.31). 08/2008; 47(7):728-31. DOI: 10.1111/j.1365-4632.2008.03536.x
Source: PubMed


A 15-year-old Caucasian male presented with 9-month history of a recurrent nodule on the nasal columella. The previous biopsy was reported as a neurofibroma.
Frozen sections revealed a spindle cell neoplasm. Permanent section immunohistochemistry sections stained positive for vimentin and smooth muscle actin and negative for S100 and CD34, confirming the diagnosis of leiomyosarcoma.
The tumor was removed using Mohs micrographic surgery. Radiological work-up revealed no distant metastasis. There has been no local recurrence to date.
Leiomyosarcoma is a difficult diagnosis to make clinically and requires histological confirmation. Re-biopsy of a "benign" growth may be necessary if clinicopathological correlation does not match with the clinical behavior of the tumor in question. Finally, Mohs micrographic surgery is a useful treatment modality for leiomyosarcomas, particularly those located in cosmetically-sensitive regions of the body such as the nose.

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