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✔ this is a proliferating trichilemmal cyst:
📍proliferation of squamous cystic areas in dermis, lobular architecture.
📍stratified squamous epithelium with abrupt/trichilemmal keratinization.
📍rupture frequent.
📍malignant transformation is rare.
📍DDx with SCC

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merry christmas to !! wish you a good year full of rare quartz, sepith and KISEKI 🎉

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