Plastic Surgery Key

Pathogenesis: The precipitating factor that initiates the formation of a dermatofibroma is thought to be superficial trauma, such as from a bug bite, which causes the fibrous tissue proliferation. The…

Treatment: No therapy is required. Surgical excision is likely to produce a mutilating scar unless the nevus is extraordinarily small. The hypertrichosis can be treated for cosmetic purposes with any…

Treatment: No therapy is necessary for these extraordinarily common skin growths. They are mostly overlooked and not even mentioned on routine skin examination. The rare strangulated or thrombosed skin tag…

Scar is another secondary descriptive term used to describe the healing of the epidermis and dermis, usually in a linear or a geographic pattern, caused by some form of trauma…

The word patch is sometimes used to describe a large macule. A more precise definition of a patch is an area of the skin that is not elevated but has…

The final phase of wound healing involves scar maturation and tissue remodeling. This phase overlaps in time with the first two phases; it is said to begin with the production…

When exposed to ultraviolet radiation, the skin increases production of melanin, which in turn helps in photoprotection. Many organic and inorganic compounds have been used as sunscreens to help neutralize…

The subcutaneous tissue is composed of adipocytes. This tissue’s main functions are storage of energy, insulation, and cushioning. The adipocytes are closely packed in a connective tissue septum with associated…

1,25-Vitamin D3 exerts its effect by binding with the VDR and then interacting with DNA to directly modulate the transcription of specific genes. The VDR is a member of the…

Once the cells reach the outer layers of the stratum corneum, they begin to be shed. On average, a keratinocyte spends 2 weeks in the stratum corneum before being shed…