# mfyc urgencias medicina meded foam foamed 2mir23 eir eir23 enarm usmle pathology pathologists pathtwitter dermpath dermatology dermtwitter

20 yo woman. Thumb lesion. A perfect example! What is the diagnosis? Answer: https://t.co/ap5qa7YGWm. Video on how to tell it apart from a potential mimic: https://t.co/VgWjuYhRxV.

33 91
2021-02-17

☠️Case of The Day☠️
✅Compact hyperkeratosis
✅Focal parakeratosis and hypergranulosis
✅Irregular psoriasiform hyperplasia
✅Collagen bundles in papillary dermis

Choose your answer in the next tweet👇

Images:

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2019-10-25