Close
  Indian J Med Microbiol
 

Figure 15: Hyperpigmented knuckles and periungual areas in Addison disease (a) and vitamin B12 deficiency (b). Note the reduction in pigmentation with cyanocobalamin supplementation (c)

Figure 15: Hyperpigmented knuckles and periungual areas in Addison disease (a) and vitamin B12 deficiency (b). Note the reduction in pigmentation with cyanocobalamin supplementation (c)