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Image Number 311 (Arsenical hyperkeratoses)

 
Morphology:
Red,scaly

Diagnosis: Arsenical hyperkeratoses

Site: Hand,palm

Sex: M

Age: 67

Type: Clinical

Description: Hyperkeratotic papules on the palms

Submitted by: Ian McColl

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Differential Diagnosis

History: Arsenical keratoses are seen on the palms and soles 20 or so years after inorganic arsenic exposure.They may also be seen on other body sites.This man's back shows multiple superficial squamous cell skin cancers.Internal malignancy rates are also increased especially lung and genitourinary carcinoma.Hyperpigmentation may also occur.

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