68-year-old male, skin lesion of the scalp. Will upload immunostains later.

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 Top list of malignant spindle cell tumor from the scalp in the elderly:

1. Melanoma (Positive for S100, MITF, HMB45 and Melanin A)

2. spindlce cell carcinoma (positive for Vimentin and CK)

3. atypical fibroxanthoma (no specific stainings, diagnosis of exclusion)

4. leomyosarcoma (positive for SMA)