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Image Number 2611 (Longitudinal melanonychia)

 
Morphology:
Linear

Diagnosis: Longitudinal melanonychia

Site: Finger

Sex: F

Age: 22

Type:

Description: Linear band of hyperpigmentation.

Submitted by: Nameer Al-Sudany

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Differential Diagnosis

History:

An asymptomatic linear band of brown-black discoloration extending from the base of the fifth fingernail to the distal end of an about one and half year duration. Biopsy of the nail matrix at the site of pigmentation revealed a benign melanocytic nevus.



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