Microcystic adnexa carcinoma

A deep spindle biopsy of a microcystic adnexa carcinoma. This neoplasia comprises tubular structures, which frequently cannot be distinguished from those of a syringoma, and show scarcely any atypical nuclei or mitoses. Since the extent and formation of the tumour agglomerations are crucial for identification, the biopsy needs to be appropriately large and deep.

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