Often a hypopigmente zone is observed, known as Woronoff ring. Intertriginous psoriasis: Isomorphic irritation, which is the result of the heat and perspiration helps to form psoriasis in intertriginous areas. When seen in the anal region it can be confused with anal eczema. The symptoms of the dermatoses can very often go unnoticed or can be the presenting complaint of a patient. Common causes of allergic contact dermatitis in the perianal region include nonoxinol-9 used in spermicidal jellies and some condom lubricants, latex found in condoms, and local anesthetics in suppositories for hemorrhoids. The individual skin lesions can be patches or plaques of eczema with the above-mentioned features, but individual or coalescing papules are not uncommon. On the scalp, psoriasis can be easily confused with severe seborrheic dermatitis. Nails are frequently involved with abnormalities including nail pitting, separation of the nail plate from the nail bed (onycholysis), and accumulation of keratinous debris under the nail plate, which is often deformed (subungueal hyperkeratosis and nail plate dystrophies). Depression and physical pain are often seen with HS and can be difficult to manage. Lesions occur in any body areas with hair follicle although intertriginous areas such as the axilla, groin, and perianal region are more commonly involved. Anal, rectal, or urethral fistulae in anogenital hidradenitis suppurativa.
Tinea cruris, also known as crotch itch, crotch rot, Dhobi itch, eczema marginatum, gym itch, jock itch, jock rot, scrot rot and ringworm of the groin:303 is a dermatophyte fungal infection of the groin region in any sex, though more often seen in males. Inflammation of the groin, anal area and upper thigh – not including the genitals themselves. Eczema is treated with the appropriate topical steroid. In moist areas, satellite lesions can be present, which is often confused with Candida. Psoriasis is a disease which affects multiple systems within the body, predominantly the skin and the joints. Those with disease that presents early typically have a longer and more severe course and often have other family members with psoriasis. Inverse psoriasis is a rare form of psoriasis which is also known as flexural or intertriginous psoriasis. Classically the skin of the groin region, armpits and genitals are affected.
Guttate psoriasis is characterized by the acute onset of small, 1-10 mm diameter, droplike, erythematous-to-salmon-pink papules, usually with a fine scale, as demonstrated in the images below. Ledoux et al emphasize a careful examination, including the perianal region, in children being examined for guttate psoriasis. Patients with HIV disease often have several simultaneous or sequential cutaneous conditions with a progressively more intransigent clinical course, a key to suspecting underlying HIV infection. Large chronic perianal, perioral, or periungual ulcers that fail to heal with acyclovir treatment are often due to thymidine-kinase-negative, acyclovir-resistant HSV-2. Either Candida or Tinea may cause intertriginous infection and may involve the groin, axillary vault, or inframammary areas. The clinical appearance of psoriasis is similar in HIV-infected and noninfected individuals. The genitor-anal region is a site of predilection for various lesions due to great variety of fungi. Candidiasis or Moniliasis Candida (monilia) albicans affects the mucosae and the skin in several ways causing intertriginous dermatitis, vulvo-vaginitis, balanitis and balano-posthitis. Very often the earliest stages of warts are confused with the congenital anomalies of the glans penis such as the papillae corona glandis or papillae glans penis. It may be due to syphilis, leprosy, scleroderma, eczema, psoriasis, pityriasis versicolor, contact with rubber.
Eczema is a type of dermatitis, and these terms are often used synonymously (e.g., atopic eczema or atopic dermatitis AD ). Localized to the palms and soles, it is easily confused with eczema. In early childhood it is called infantile eczema and is characterized by redness, oozing, and crusting. Patients who have stasis dermatitis should elevate their legs as often as possible and sleep with a pillow between the lower legs. The rash may spread to the forehead and postauricular regions. In dogs, ectoparasites, otitis, anal sacculitis and pruritic skin diseases are common precipitating causes. Intertriginous dermatitis.