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Image Number 1564 (Piebaldism)

 
Morphology:
Hypopigmentation

Diagnosis: Piebaldism

Site: All Sites

Sex: F

Age: 1

Type:

Description: Congenital depigmented patches.

Submitted by: Nameer Al-Sudany

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Differential Diagnosis

History: Piebaldism is a rare, autosomal-dominant syndrome. It presents at birth. The characteristic clinical features are a white forelock and patchy vitiligo-like lesions. The depigmented lesions are static and characteristically occur on the anterior and posterior trunk, mid-upper arm to wrist, mid-thigh to mid-calf, and shins. A characteristic feature of piebaldism is the presence of hyperpigmented macules within the areas lacking pigmentation and also on normally pigmented skin. The white forelock is a triangular or diamond-shaped midline white macule on the frontal scalp or forehead.

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