Neoplasms of the nailbed

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

References

  1. ^ a b c d e James, William; Berger, Timothy; Elston, Dirk (2005). Andrews' Diseases of the Skin: Clinical Dermatology. (10th ed.). Saunders. ISBN 0-7216-2921-0.
Hair

Pilomatrixoma/Malignant pilomatricoma · Trichoepithelioma (Multiple familial trichoepithelioma, Solitary trichoepithelioma, Desmoplastic trichoepithelioma, Generalized trichoepithelioma) · Trichodiscoma · Trichoblastoma · Fibrofolliculoma · Trichilemmoma · Trichilemmal carcinoma · Giant solitary trichoepithelioma · Trichofolliculoma · Trichoadenoma

Hamartoma: Basaloid follicular hamartoma · Folliculosebaceous cystic hamartoma · Folliculosebaceous-apocrine hamartoma

Isthmicoma · Fibrofolliculoma · Perifollicular fibroma · Birt–Hogg–Dubé syndrome
Nails
Neoplasms of the nailbed

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