Cytogenetic study of a pineocytoma.

The cytogenetic findings based on G-banding in a pineocytoma detected in a 29-year-old woman are reported. The chromosomal study showed numerical alterations involving chromosomes X, 5, 8, 11, 14, and 22, structural alterations of chromosomes 1, 3, 12, and 22, as well as various markers. Tumors of the pineal region are infrequent, and this is the first report of a pineocytoma studied cytogenetically.

[Prevalence of anodontia in 2nd level students in Sao Jose dos Campos-correlation between third molar anomalies and other teeth]. / Prevalência de anodontia entre estudantes do 2O grau da cidade de São José dos Campos-Correlação dessa anomalia entre terceiros molares e outros órgão dentários.

The authors studied 201 school children form both sexes, aging 12 to 14 years, in order to identify anodontia, including in third molars. The results indicated a congenital absence of teeth in 24.37% of the examined children, distributed into 10.44% of boys and 13.93% of girls. Anodontia was observed concerning third molar teeth and other teeth, and the correlation was calculated by the total, sex, and hemiarch. The data were presented and discussed, and the results included several conclusions.

[Frequency of fused roots, divergent separation, convergent separation, rectilinear separation and delaceration of third molars]. / Freqüência de raízes fusionadas, separadas divergentes, separadas convergentes, separadas retilíneas e dilaceradas dos terceiros molares.

In a sample of Brazilian white young adults between 18-23 years old, the A.A. studied the third molar roots, in anatomical aspects, using the orthopantomographic radiographic method. They concluded that the superior third molar shows a biggest number of fusionated roots (19.50% in the right side and 19.66% in the left side) and the inferior third molar shows a biggest number of separated roots (21.48% in the right side and 19.66% in the left side).

[Intraventricular meningitis as a complication of purulent meningitis. A case report]. / Hematoma intraventricular como complicação de meningite purulenta. Relato de caso.

Report of a case of intraventricular hematoma as purulent meningitis complication in a child of 6 months old, without vascular malformation. The evolution was satisfactory after the surgical treatment.

[Intraventricular meningioma. Report of a case]. / Meningeoma intraventricular. Registro de um caso.

A case of meningeoma located at the right lateral ventricle is reported. The tumor was successfully removed by surgery. The authors justified this report by the infrequency of the pathology. Some aspects of the literature are commented.