Warthin's tumor of the parotid gland: study of 70 cases.

Objective: To report the clinical characteristics, treatment and complication of Warthin tumors.

Methods: we conducted a retrospective study of 70 patients undergoing resection of papillary lymphomatous cystadenoma.

Variables: age, sex, ethnicity, presence or absence of smoking, primary site of tumor, tumor size in cm, presence of bilateral tumor, type of operation, multicentricity, treatment complications, recurrence and follow up.

[Neck skin collision tumor].

The collision or mixed tumor is a malignant neoplasm of the skin related to sun exposure and incidence rates of up to 1.5%. It displays a distinctive clinical behavior in relation to other malignancies of the skin and the histological diagnosis, characterized by the collision between a basal cell carcinoma and squamous cell carcinoma, i.

Prevalence of intestinal nematodes in alcoholic patients.

We report the results of a retrospective study on the frequency of intestinal nematodes among 198 alcoholic and 440 nonalcoholic patients at the University Hospital Cassiano Antonio Moraes in Vit ria, ES, Brazil. The control sample included 194 nonalcoholic patients matched according to age, sex and neighborhood and a random sample of 296 adults admitted at the same hospital. Stool examination by sedimentation method (three samples) was performed in all patients.