title: Medical image. Reversible knuckle hyperpigmentation in B12 deficiency.
authors.affiliation: Department of Nephrology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
authors.forename: Vivek
authors.initials: V
authors.lastname: Kumar
authors.forename: Vishal
authors.initials: V
authors.lastname: Sharma
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D005528:Foot; D006225:Hand; D006801:Humans; D017495:Hyperpigmentation / Q000209:etiology*; D014805:Vitamin B 12 / Q000627:therapeutic use; D014806:Vitamin B 12 Deficiency / Q000150:complications* / Q000175:diagnosis / Q000188:drug therapy
chemical_list: D014805:Vitamin B 12