Pruritus ani, piperazine, and thrombocytopenia.

Pruritus Ani

Pruritus ani is an unpleasant cutaneous sensation that induces the desire to scratch the skin around the anal orifice. It may start insidiously and appears in 1% to 5% of the population. It is classified as primary (idiopathic) pruritus ani when no cause can be found. However, as 25% to 75% of cases have co-existing pathology, a detailed history and examination are necessary. The goal of treatm...

Pruritus Ani: the neglected stepchild of coloproctology

Pruritus ani (PA) is a chronic unpleasant itching and/or burning sensation in the perianal region that affects up to 5% of the population. It can be secondary or idiopathic, and it can dramatically affect the quality of life of the patient. A substantial number of patients do not respond adequately to the majority of treatments available and the pathophysiology of PA has not yet been completely...

Pruritus Ani in an Elderly Man

A 78-year-old man presented with a 6-month history of perianal pruritus. His history was noncontributory. His father died of colon carcinoma. Previously, at another hospital, the diagnosis of eczema with possible fungal infection was suggested, and he was treated with topical corticosteroids and antifungals without significant improvement. The patient noted an indurated, damp, painless, and mil...

The Commoner Forms of Pruritus Ani Considered Eutrophically

Pruritus ani and perianal eczema as a manifestation of systemic contact dermatitis