title: A medical mystery.
authors: Aberdeen Royal Infirmary Aberdeen AB25 2ZN, United Kingdom.
authors: A M
authors: AM
authors: Johnston
authors: A A
authors: AA
authors: Memon
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D005148:Facial Dermatoses / Q000209:etiology*; D005260:Female; D006801:Humans; D010859:Pigmentation Disorders / Q000209:etiology*; D015422:Scleral Diseases / Q000209:etiology*