WebDec 8, 2024 · When the pigment is deeper (papillary dermis) the color is often slate blue (i.e. pigment drop in lichen planus), while the deepest location (reticular dermis) conveys a steel blue color (blue nevus). Pigmented Lesions. Dermoscopy is perhaps the most helpful in pigmented lesions, which can be melanocytic or non-melanocytic in origin. WebNov 1, 2024 · There was no antecedent trauma or preceding skin eruption. She had been taking HCQ 200 mg daily for 12 years. Physical examination revealed diffuse mottled and reticular hyperpigmentation with adjacent areas of ecchymosis on the bilateral upper extremities . A biopsy revealed dermal deposits of iron and melanin (Figure 1B–D).
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WebPigmentation disorders are often more troublesome in skin of colour. The melanocytes ( pigment cells) are located at the base of the epidermis and produce the protein melanin. … WebMay 17, 2024 · The skin is composed of two main layers: the epidermis, made of closely packed epithelial cells, and the dermis, that houses blood vessels, hair follicles, sweat … hells bells documentary movie
Chemotherapy-Related Reticulate Hyperpigmentation: A Case
WebThe typical appearance is a reticulated reddish brown hyperpigmentation in the exposed skin areas. It usually begins as a reticulated erythema but hyperpigmentation often develops after repeated exposure to heat. Erythema ab igne often resembles livedo reticularis which has a purple blue discolouration of the skin in a mesh shaped pattern. WebProgressing, diffuse, symmetric, and reticular hyperpigmentation was seen on the face, neck, and upper limbs, manifesting as typical melanosis. Skin microscopy showed diffuse black-pepper-like changes and telangiectasias. The diagnosis of SLE and primary hypothyroidism were confirmed by follow-up investigations. WebLivedo reticularis refers to various conditions in which there is mottled discolouration of the skin. It is described as being reticular (net-like, lace-like), as cyanotic discolouration surrounds pale central skin. The terminology of livedo reticularis may include: Cutis … Livedoid vasculopathy is a clinical diagnosis, supported by skin biopsy of a … What is thromboangiitis obliterans? Thromboangiitis obliterans is a smoking … Erythema ab igne (EAI) is a skin reaction caused by chronic exposure to infrared … What is Sneddon syndrome?. Sneddon syndrome is a rare, slowly progressive, … Carcinoma erysipeloides presents as a patch of thickened, red skin resembling … The mottled appearance of cutis marmorata is caused by superficial small … Skin signs. The common skin manifestation of Sjögren syndrome include: Dry, rough … The skin sign of acute rheumatic fever is erythema marginatum. Who gets … lake tombigbee campgrounds livingston tx