SLE (Systemic Lupus Erythematosus) diagnosis Mnemonic

MD SOAP 'N HAIR": 

Malar rash
Discoid rash

S erositis
Oral ulcer
Arthritis 
Photosensitivity 

Neurologic abnormality 

Hematologic abnormality 
ANA (+)
Immunologic abnormality 
Renal involvement