الورم الميلانيني اللاميلاني تحت الظفر

Xing Fang, MD; Tianjing Gao, MD; Yu Fu, MD

A woman in her 60s presented with a 4-year history of separation and rupture of the right fourth fingernail. Initially, she noted that the nail plate had become detached and cracked without any history of trauma, leading to the appearance of a painful ulcer at the root of the nail bed. Six months later, a light pink and porcelain white patch also developed around the nail. The patient initially received a diagnosis of a nail infection and was treated with topical antibiotic ointment at a local hospital, but no improvement was observed. Moreover, a progressively enlarging stringlike mass developed beneath the ruptured nail.

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