Riehl's melanosis

Melanoses differ in their etiological and pathogenetic characteristics, localization, and clinical manifestations; they can be considered as syndromes: acanthosis universal - manifests itself in people over 40 years of age, is associated with diabetes mellitus or hypothyroidism, and is often combined with the deposition of pigments in the skin of the legs and forearms. If it persists for a long time, keratinization of the epithelium may occur on the hands and feet. Causes significant cosmetic defects;

Dubreuil's melanosis - describes focal hyperpigmentation of the skin of the breast against the background of swelling of the subcutaneous fat; Melasma is a benign pigmentary hyperplasia of conjunctival melanocytes associated with a mutation in the OCA2 and GPECLP genes (OMIM 161850); Lipoma is a formation that is most often a benign tumor containing fat cells. The lipoma cavity is filled with fatty fluid and resembles a fatty lobule;

Paratumoral cancer indication (carcinoembryonic antigen-related pregnancy-induced hyperglycemia) is a manifestation of tumor hypoglycemia during pregnancy, it is associated