Back issues No.4 - 1995 / Case Report  

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Subngual Squamous Cell Carcinoma
Fang-I Huang, Ren-Chun Liao, Hsiu-Chin Chen, Hsin-Yi Su
Dermatol Sinica 13: 241-247, 1995

A 64-year-old man with a history of long-term recurrent paronychia developed one erythematous granulation tissue beneath the nail plate of L't thumb since 2 years ago. Tenderness and partial destruction of the nail plate were noted. Pyogenic granuloma was suspected and a nail bed biopsy was performed. Histopathology revealed well-defferentiated squamous cell carcinoma. X-ray of left thumb was normal. Simple excision by CO2 laser was done. Unfortunately, disarticulation of the distal phalanx was performed one year later because of local recurrence. No bony invasion was found. The clinical morphology, etiologic factors, prognosis and treatment modalities are discussed.

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