External genital hyperpigmentation was seen in one third of patients, and one fifth had hyperpigmentation of flexural folds, scars, and nipple areolae.
[emedicine.com]
PubMed was used to search the following terms: hemochromatosis, hereditary, hyperpigmentation, hypopigmentation, keratosis, melanin, seborrheic, siderosis.
[ncbi.nlm.nih.gov]
Hyperpigmentation of the oral mucosa was found in 15-20% of patients.
[emedicine.com]