| 词条 | Neoplasms of the nailbed |
| 释义 |
Neoplasms of the nailbed may often present with paronychia, ingrown nail, onycholysis, pyogenic granuloma, nail-plate dystrophy, longitudinal erythronychia, bleeding, and discolorations.[1]{{rp|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]{{rp|792}} Benign tumors of the nails include verruca, pyogenic granuloma, fibromas, nevus cell nevi, myxoid cysts, angiofibromas (Koenen tumors), and epidermoid cysts.[1]{{rp|792}} Squamous cell carcinoma of the nailbed is uncommon, and often mistaken for a pyogenic granuloma initially.[1]{{rp|792}} Subungual melanoma is frequently diagnosed late in the course of growth.[1]{{rp|793}}[2] References1. ^1 2 3 4 James, William; Berger, Timothy; Elston, Dirk (2005). Andrews' Diseases of the Skin: Clinical Dermatology. (10th ed.). Saunders. {{ISBN|0-7216-2921-0}}. {{skin-appendage-stub}}{{Tumors of skin appendages}}2. ^{{Cite news|url=http://www.matsunnutrition.com/private-label-manufacturer-liquid-vitamins-supplements/hair-skin-care-and-nails-supplement/|title=Nails Matsun Supplement|last=|first=|date=|work=|newspaper=Matsun Nutrition|language=en-US|access-date=2017-01-07|via=}} 1 : Conditions of the skin appendages |
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