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Image Number 313 (Porphyria cutanea tarda)

 
Morphology:
Blisters

Diagnosis: Porphyria cutanea tarda

Site: Hand,dorsum

Sex: M

Age: 43

Type: Clinical

Description: Hemorrhagic blisters and erosions

Submitted by: Ian McColl

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Differential Diagnosis

History: Porphyria cutanea tarda is the most common type of porphyria seen by dermatologists.It is characterized by skin fragility,blisters and erosions in sunexposed areas and at sites of trauma.Advanced cases have hyperpigmentation and increased and extensive facial hair.Most cases in the past have been associated with excess alcohol consumption but Hepatitis C infection is common in Western countries.

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