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Image Number 317 (Lupus vulgaris)

 
Morphology:
Plaque

Diagnosis: Lupus vulgaris

Site: Cheek

Sex: F

Age: 47

Type: Clinical

Description: Red brown infiltrated plaque on the face

Submitted by: Ian McColl

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Differential Diagnosis

History: Lupus vulgaris typically occurs as a single plaque made up of red brown papules which show the characteristic apple jelly colour on diascopy.Most patients have moderately high immunity and will have a positive tuberculin test.Because of this immunity healing may occur in one area with new extensions at another.90% of lesions will occur on the head and neck.They can heal with considerable scarring.

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