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What it looks like: Rosacea causes redness and thick skin on the face, usually clustered in the center. Easy flushing, a stinging sensation, and small, pus-filled pimples are other common signs of ...
This rash did not at first look at all like a bull's eye. After 8 weeks, the rash cleared from the center toward the edges and looked a bit more like a bull's eye. The initial sign of about 80% of Lyme infections is an erythema migrans (EM) rash at the site of a tick bite, often near skin folds, such as the armpit , groin , or back of knee , on ...
Cellulitis looks like a rash, but is actually an infection of the middle layer of skin, says Dr. Yadav. It causes the skin to become diffusely red, swollen, tender, and hot to the touch, and may ...
Necrolytic migratory erythema 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.
In dermatology, erythema multiforme major is a form of rash with skin loss or epidermal detachment. The term "erythema multiforme majus" is sometimes used to imply a bullous (blistering) presentation. [2] According to some sources, there are two conditions included on a spectrum of this same disease process: Stevens–Johnson syndrome (SJS)
Micrograph of erythema annulare centrifugum, showing a moderately intense superficial perivascular dermal lymphohistiocytic infiltrate with rare eosinophils, edema of papillary dermis, hyperkeratosis and focal epidermal spongiosis. A skin biopsy can be performed to test for EAC; tests should be performed to rule out other possible diseases such ...
The dermis is the layer of skin between the epidermis and subcutaneous tissue, and comprises two sections, the papillary dermis and the reticular dermis. [10] The superficial papillary dermis interdigitates with the overlying rete ridges of the epidermis, between which the two layers interact through the basement membrane zone. [10]
SSSS is a clinical diagnosis. This is sometimes confirmed by isolation of S. aureus from blood, mucous membranes, or skin biopsy; however, these are often negative. Skin biopsy may show separation of the superficial layer of the epidermis (intraepidermal separation), differentiating SSSS from TEN, wherein the separation occurs at the dermo-epidermal junction (subepidermal separation).