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What it looks like: Purplish lesions on the inner arms, legs, wrists, or ankles can signify lichen planus, a skin rash triggered by an overreaction of the immune system.
About 10% of cases do not have lesions on the legs but rather present with one or more skin lesions outside of the legs; ~20% of individuals present with cutaneous lesion(s) but on further or later investigation are found to have disease in non-cutaneous sites such as the lymph nodes, visceral organs, [1] bone marrow, and/or, rarely, central ...
With regard to morphology, the initial lesion that characterizes a condition is known as the "primary lesion", and identification of such a lesions is the most important aspect of the cutaneous examination. [30] Over time, these primary lesions may continue to develop or be modified by regression or trauma, producing "secondary lesions". [1]
26 pictures of skin rashes to help you identify your skin rash. Plus, doctor-approved at-home skin rash remedies and when to see a doctor for your skin rash.
Cutaneous squamous-cell carcinoma (cSCC), also known as squamous-cell carcinoma of the skin or squamous-cell skin cancer, is one of the three principal types of skin cancer, alongside basal-cell carcinoma and melanoma. [10] cSCC typically presents as a hard lump with a scaly surface, though it may also present as an ulcer. [1]
The skin weighs an average of four kilograms, covers an area of two square metres, and is made of three distinct layers: the epidermis, dermis, and subcutaneous tissue. [1] The two main types of human skin are: glabrous skin, the hairless skin on the palms and soles (also referred to as the "palmoplantar" surfaces), and hair-bearing skin. [3]
Ecthyma gangrenosum is a type of skin lesion characterized by vesicles or blisters which rapidly evolve into pustules and necrotic ulcers with undermined tender erythematous border. " Ecthyma " means a pus forming infection of the skin with an ulcer, "gangrenosum" refers to the accompanying gangrene or necrosis.
Diagnosis is by biopsy and analysis of any skin lesion that has signs of being potentially cancerous. [1] Avoiding UV light and using sunscreen in UV-bright sun conditions may prevent melanoma. [2] Treatment typically is removal by surgery of the melanoma and the potentially affected adjacent tissue bordering the melanoma. [1]