Skin Manifestations in Toxoplasmosis

Pityriasis lichenoides et varioliformis acuta and Acquired Toxoplasmosis

“…In 1969, Andreev et al [7] reported a pa tient with a recurrent PLEVA-like skin erup tion who had serological and immunologi cal tests for Toxoplasma repeatedly positive.…”

Pityriasis lichenoides and its subtypes

“…In 1969 Andreev et al reported a patient with pityriasis lichenoideselike lesions and systemic symptoms who had strongly positive results of serologic and immunologic tests for toxoplasmosis. 65 Furthermore, treatment with pyrimethamine resulted in prompt and marked improvement in the systemic symptoms and the skin lesions. In 1972 Zlatkov and Andreev demonstrated that in 6 of 11 (54.5%) patients with clinically diagnosed pityriasis lichenoides, results of the complement fixation test, the intradermal toxoplasmin test, and the SabinFeldman test were strongly positive for toxoplasmosis.…”

Cutaneous Toxoplasmosis in a Female Japanese Cat

“…3,8 Systemic toxoplasmosis has been reported in most species of domestic animals, but cutaneous toxoplasmosis is rare. 1,5,13 In this report, we describe a feline case of a single nodule in the mammary gland caused by T. gondii and document the differential diagnosis made between T. gondii and Neospora caninum by using several diagnostic methods.…”

“…2,13,18 In humans, macular, hemorrhagic, and even exfoliative lesions were reported in congenital toxoplasmosis, 1 whereas, in the acquired form, the lesions were described as maculopapular, hemorrhagic, lichenoid, 14 hyperemic nodules, and erythema multiforme-like. 1,4 Cutaneous nodules with ulcers caused by vasculitis were described in 2 subjects that belonged to a group of 100 cats affected by histologically confirmed clinical toxoplasmosis. 5 Tachyzoites were identified by direct microscopy and immunohistochemistry staining from visceral organs but not from the skin.…”