Immunohistochemical comparative analysis of cell proliferation and angiogenic index in squamous cell carcinomas of the tongue between young and older patients.

Oral squamous cell carcinoma (SCC) is a malignant epithelial tumor that is uncommon in individuals younger than 45 years. This study compared the cell proliferation and angiogenic index in SCCs of the tongue between young and older patients. Forty SCCs of the tongue, 20 diagnosed in young patients (≤ 40 y) and 20 diagnosed in older patients (>50 y) were evaluated by immunohistochemistry.

Oral pyogenic granuloma: a retrospective analysis of 293 cases in a Brazilian population.

Purpose: The purpose of this study was to retrospectively analyze the clinical, demographic, and pathologic properties of oral pyogenic granuloma occurring in a Brazilian population.

Patients And Methods: We retrieved an archival number of 293 cases that were diagnosed as having oral pyogenic granuloma at the Service of Pathological Anatomy, Discipline of Oral Pathology, Department of Dentistry, Federal University of Rio Grande do Norte, Natal, Brazil, during a 38-year period, from 1970 to 2008. The records were reviewed, and information on gender, age, race, lesion site, predisposing factors, clinical features, and clinical diagnosis, treatment, and recurrence was collected.