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Updated: Oct 12, 2026
Culture and Imaging of Ex Vivo Organotypic Pseudomyxoma Peritonei Tumor Slices from Resected Human Tumor Specimens
Published on: December 9, 2022
Abstract:
A case of "perforating pilomatricoma" is reported. A cutaneous horn-like tumor, the size of a grain of rice, developed on the left upper arm of a 51-year-old man. Histological examination revealed typical microscopic features of pilomatricoma. In addition, however, an interesting phenomenon was observed: a small portion of the mass had extruded from the upper dermis to the skin surface through the perforated epidermal channel. It might have been possible in this case for all of the tumor mass to be extruded by transepithelial elimination.
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