Neoplasms of the nailbed

Neoplasms of the nailbed may often present with paronychia, ingrown nail, onycholysis, pyogenic granuloma, nail-plate dystrophy, longitudinal erythronychia, bleeding, and discolorations.[1]: 792  There are various benign and malignant neoplasms that may occur in or overlying the nail matrix and in the nailbed, and symptoms may include pain, itching, and throbbing.[1]: 792 

Benign tumors of the nails include verruca, pyogenic granuloma, fibromas, nevus cell nevi, myxoid cysts, angiofibromas (Koenen tumors), and epidermoid cysts.[1]: 792 

Squamous cell carcinoma of the nailbed is uncommon, and often mistaken for a pyogenic granuloma initially.[1]: 792  Subungual melanoma is frequently diagnosed late in the course of growth.[1]: 793 [2]

References
  1. James, William; Berger, Timothy; Elston, Dirk (2005). Andrews' Diseases of the Skin: Clinical Dermatology. (10th ed.). Saunders. ISBN 0-7216-2921-0.
  2. "Nails Matsun Supplement". Matsun Nutrition. Retrieved 2017-01-07.
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