Extensive hard palate hyperpigmentation associated with chloroquine use.
Published in British journal of clinical pharmacology
A 66-year-old woman diagnosed clinical manifestation of extensive hard palate hyperpigmentation is presented. Due to historic of rheumatoid arthritis and use of chloroquine phosphate for 3 years, exogenous hyperpigmentation associated with the drug was included among the possible diagnoses. Incisional biopsy was performed and the histopathological ...