Dermatology and aesthetics
hypermelanosisWhat is hypermelanosis Types of hypermelanosis Diagnosis
- Meaning of hypermelanosis
- Types of hypermelanosis
Meaning of hypermelanosis
The color of our skin is influenced by several elements, including the presence of some pigments (primarily melanin and hemoglobin), the thickness of the horny layer and the reflective power of the epidermis.
Hypermelanosis is a group of congenital or acquired skin disorders characterized by an abnormally darker pigmentation of the skin, more or less circumscribed, caused by an increased production of melanin, in the absence of melanocyte hyperproliferation; often they represent a beauty flaw that is difficult to accept, even more so if its difficult therapeutic management is considered, even for the specialist.
In hypermelanosis there is an increase in the melanic pigment normally present in the skin, which may be due to an excess of melanin in the epidermis (epidermal hypermelanosis) or in the dermis (dermal hypermelanosis); if the accumulation affects both layers, hypermelanosis occurs in a "mixed" form.
The color can take on different shades depending on the depth of the melanin accumulation: brown if the excess melanin is confined in the epidermis, slate-bluish gray if the accumulation affects the dermis; in the latter case, the difficult elimination of melanin causes the pigment to drip into the dermis (ceruloderma).
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