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Hypertrophic Herpes Simplex Simulating Anal Neoplasia in AIDS Patients: Report of Five Cases

2005; Lippincott Williams & Wilkins; Volume: 48; Issue: 12 Linguagem: Inglês

10.1007/s10350-005-0188-4

1530-0358

Sidney Roberto Nadal, Edenilson Eduardo Calore, Carmen Ruth Manzione, Sergio C. Horta, Aurea F. Ferreira, Lis Vilela de Almeida,

Parvovirus B19 Infection Studies

Five patients (4 males; mean age, 46.4 years) with painful verrucous perianal lesions caused by herpes simplex virus are described. All patients had had AIDS for a long time and were using highly active antiretroviral therapy. CD4+ counts ranged from 73 to 370/mm3. All lesions were submitted to resection under subdural anesthesia. Histologic examinations revealed epithelial hyperplasia and dense inflammatory process, composed mainly of lymphocytes and plasma cells, extended just to the hypodermis. Immunohistochemistry was positive for herpes simplex virus Type 2 in four patients and for herpes simplex virus Type 1 in one patient, and did not detect human papillomavirus antigens. Three patients had recurrences after 3, 10, and 12 months. Resection was performed on two patients; one had a new recurrence after three months. Oral acyclovir eliminated the lesion in the third patient. The analysis of our patients suggests that herpes simplex virus, Types 1 and 2, may cause verrucous lesions simulating neoplasia in patients with AIDS using antiretroviral therapy.