Type-specific prevalence of genital human papillomaviruses in benign, premalignant, and malignant biopsies in patients from Greece.

Background And Objectives: More than 30 different human papillomavirus (HPV) types infect the anogenital mucosa and are responsible for a variety of benign, premalignant, and malignant lesions including cervical cancer. The goal of this study was to determine the distribution of individual HPV types in various grads of cervical precancerous lesions and cervical carcinoma in patients from Greece.

Study Design: Specimens were analyzed for HPV-DNA sequences by polymerase chain reaction and Southern blot hybridization.

Study of persistence and loss of patch test reactions to dichromate and cobalt.

Hyposensitization is a poorly understood phenomenon that refers to the conversion from a positive to a negative (or less positive) patch test. We studied 180 cement workers with contact dermatitis, who originally had a total of 163 positive patch test reactions to potassium dichromate and 98 positive reactions to cobalt chloride. They were patch tested a 2nd time after 2-6 years.

Recurrent condylomata acuminata: how routine immediate and delayed hypersensitivity parameters might provide a clue to their immunopathogenesis.

In 30 male patients suffering from recurrent condylomata acuminata, immediate hypersensitivity parameters (total IgE, PTT and prick tests) and delayed hypersensitivity against seven recall antigens (multi test) were studied. Thirty healthy male volunteers, matched in age, were the controls. Significantly higher immediate hypersensitivity activity was shown in the patient group.

Typing of human papillomaviruses in condylomata acuminata from Greece.

DNA samples from recurrent condylomata acuminata biopsies of Greek males and females were examined for the presence of human papillomavirus (HPV) DNA using high-stringency Southern blot hybridization analysis. Of the twenty-six biopsies, 25 were positive for the HPV 6/11-related DNA sequences, and when further analyzed with the polymerase chain reaction (PCR) the HPV-negative biopsy was also positive for HPV 6/11 DNA. Nineteen specimens were further characterized based on their Pstl restriction endonuclease hybridization pattern.

Clinical manifestations of allergy and their relation to HIV infection.

In this retrospective study 141 HIV positive subjects were included. Allergy was studied by a specific questionnaire and the Phadia Top Test, an in vitro screening test for specific IgE. Both were related to the patients' history, clinical symptoms and the treatment used.