Diagnosis: Subacute lupus erythematosus
Description: Multiple annular psoriasiform plaques
Morphology: Red,scaly
Site: Back
Sex: F
Age: 55
Type: Clinical
Submitted By: Ian McColl
Differential DiagnosisHistory: This lady has a typical rash on her back of subacute lupus erythematosus.The lesions are annular and scaly and can resemble both eczema and psoriasis.She was Ro Antibody positive and quite photosensitive.Investigations showed no internal involvement at this stage.