Allergic Confirmation That Some Cases of Erythema Annulare Centrifugum Are Dermatophytids

Erythema annulare centrifugum: report of a case with neonatal onset

“…EAC does not show predilection for sex, and pick of incidence is between 30 and 50 years of life. EAC is considered a reactive dermatosis 3,4 and bacterial, fungal and viral antigens, drugs, neoplasm, autoimmune diseases have been described as possible causative factors, [5][6][7][8][9][10][11][12][13][14][15][16][17][18] nevertheless in the majority of cases, the aetiology remains unexplained. 19 Histologically, EAC is characterized by a subacute inflammatory process with lymphocytes and occasional eosinophils around the blood vessels of the upper dermis.…”

Erythema annulare centrifugum and malignant histiocytosis-report of a case

“…Erythema annulare centrifugum has been reported in association with a number of underlying conditions including viral infections (Hammar, 1974), fungal infections (Jillson, 1954), mould hypersensitivity (Shelley, 1964), drugs (Ashurst, 1967), dysproteinaemia (Cream, 1971), and malignancy (Lazar, 1963;Everall, Dowd & Ardalan 1975). Whilst Lazar (1963) reported a case of erythema annulare centrifugum in association with a squamous cell carcinoma of the skin, we know of no reports of its occurrence with malignant histiocytosis in the skin.…”

Lupus erythematosus gyratus repens. Report of a case associated with a lung carcinoma

“…A single more recent report mentions this condition associated with pulmonary tuberculosis (Barber et al, 1978). Erythema annulare centrifugum of Daricr (1916), by contrast, has been related not only to benign or malignant tumours (Herzberg & Seelemann, 1953;Lazar, 1963;Dupre et al, i979)) but also on occasion to hypersensitivity to Penicillium (Shelley, 1964) or to a dermatophyte (Jillson, 1954). Erythema annulare centrifugum has, furthermore, been documented in association with systemic or chronic LE (Ellis & Friedman, 1954;Irgang, 1957;Rekant & Becker, 1973;Baccareda, 1974;Heid era/., 1977), and may also occur during the course of LE as an adverse reaction to antimalarial therapy (Grupper, 1957;Ashurt, 1967).…”