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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 ...
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 ...
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 .
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 ...
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 ...
Lesions appear on sun-exposed areas, usually on the face, neck, and scalp, with a slight preference for middle-aged women. They are typically asymptomatic, single or multiple, annular or polycyclic lesions measuring up to 6 cm in diameter, with slow centrifugal expansion, an erythematous elevated edge, and a hypopigmented , atrophic center.
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 ().
Necrolytic migratory erythema (NME) is a red, blistering rash that spreads across the skin. It particularly affects the skin around the mouth and distal extremities; but may also be found on the lower abdomen, buttocks, perineum , and groin.