title: Pernicious anaemia presenting as hyperpigmentation.
abstract: An adult East Asian woman presented with sudden onset of hyperpigmented macules on her oral mucosal surfaces, palms and soles, in association with hypoguesia and loss of weight. This was found to be associated with underlying severe vitamin B12 deficiency secondary to pernicious anaemia.
authors: Department of Internal Medicine, Singapore General Hospital, Singapore, Singapore.
authors: W Y
authors: WY
authors: Tham
authors: Department of Dermatology, Singapore General Hospital, Singapore, Singapore.
authors: C C
authors: CC
authors: Oh
authors: Department of Dermatology, Singapore General Hospital, Singapore, Singapore.
authors: H Y
authors: HY
authors: Koh
mesh_terms: D000752:Anemia, Pernicious / Q000150:complications*; D003937:Diagnosis, Differential; D005260:Female; D005533:Foot Dermatoses / Q000209:etiology*; D006229:Hand Dermatoses / Q000209:etiology*; D006801:Humans; D017495:Hyperpigmentation / Q000209:etiology*; D008875:Middle Aged; D009059:Mouth Diseases / Q000209:etiology*; D009061:Mouth Mucosa / Q000473:pathology