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Image Number 1454 (Cornu cutaneum)

 
Morphology:
Unusual shapes

Diagnosis: Cornu cutaneum

Site: Ear

Sex: M

Age: 67

Type:

Description: Cutaneous horn.

Submitted by: Nameer Al-Sudany

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Differential Diagnosis

History: About 2.5 cm long cutaneous horn arise from a hyperkeratotic base situated in the middle part of the auricle of many years duration. Excisional biopsy has showed actinic keratosis at the base of the horn.

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