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Erythema ab igne (Latin for 'redness from fire') EAI, also known as hot water bottle rash, [2] is a skin condition caused by long-term exposure to heat (infrared radiation). [3] Prolonged thermal radiation exposure to the skin can lead to the development of reticulated erythema , hyperpigmentation , scaling, and telangiectasias in the affected ...
After 1–3 weeks burn symptoms appear; erythema, increased skin pigmentation (dark colored patches and raised areas), followed by epilation and skin lesions. Erythema occurs after 5–15 Gy, dry desquamation after 17 Gy, and bullous epidermitis after 72 Gy. [15] Chronic radiation keratosis may develop after higher doses. Primary erythema ...
Erythema (Ancient Greek: ἐρύθημα, from Greek erythros 'red') is redness of the skin or mucous membranes, caused by hyperemia (increased blood flow) in superficial capillaries. [1] It occurs with any skin injury, infection, or inflammation .
695.1 Erythema multiforme. 695.10 Erythema multiforme, unspecified; 695.11 Erythema multiforme minor; 695.12 Erythema multiforme major; 695.13 Stevens–Johnson syndrome; 695.14 Stevens–Johnson syndrome – toxic epidermal necrolysis overlap syndrome; 695.15 Toxic epidermal necrolysis; 695.19 Other erythema multiforme; 695.2 Erythema nodosum ...
Over time, the use of kangri pots to keep warm results in erythema ab igne, a precancerous keratotic growth that "take the shape of superficial, serpiginous, reticular blackish brown colored lesions." [6] Eventually, the cells at the lesion site become more irregular in shape and form; the lesions ulcerate and may become itchy and bloody. The ...
Livedo reticularis is a common skin finding consisting of a mottled reticulated vascular pattern that appears as a lace-like purplish discoloration of the skin. [1] The discoloration is caused by reduction in blood flow through the arterioles that supply the cutaneous capillaries, resulting in deoxygenated blood showing as blue discoloration ().
Photodermatoses is a skin condition resulting in abnormal skin reactions to ultraviolet (UV) radiation. [1] These abnormal skin reactions may develop into rashes. While reactions to UV radiation is common, true photodermatoses is considered when an abnormal reaction is caused by UV-A rays or radiation between 320 and 400 nm.
However, positive antinuclear antibody and extractable nuclear antigen (anti-Ro/La) in low titre may be found, even in the absence of other criteria to suggest a diagnosis of lupus erythematosus. If clinical findings suggest a possibility of porphyria, urinary and red cell porphyrin screening may be performed and are negative in PLE.