The present cross section-I study was conducted on university students to assess the basic level of knowledge regarding AIDS. Mean score obtained by the Science students related to various aspects of AIDS was significantly higher as compared to Arts and Commerce students 94.4% Science students and 86.7%. Arts and Commerce students expressed their desire to learn more about AIDS. This study has identified considerable extent of knowledge and positive attitudes amongst Science students, but Arts and Commerce students had indequate and poor knowledge. The results of this study show that there is a need of effective health education campaign for this high risk group of individuals which will help them to develop the skills to act on their knowledge and communicate it to others.

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186 out of 226 (82%) panuveitis cases showed the presence of leptospira in their blood samples by dark field microscopy. 75% cases were found positive for leptospira after low speed centrifugation and an additional 7% became positive after high speed centrifugation. Leptospirosis was four times more common in males than in females. The disease was more prevalent in the age group of 15 to 54 years. MAT was performed in 23 cases of which 9 were positive. ELISA was performed in 20 cases of which 9 were positive. DFM was positive in 19 out of these 23 cases. MAT, ELISA and DFM were positive in six cases. Highest antibody titre was found due to L. autumalis alone in two cases, L. autumnalis, and L. pomona in one case, L. bharathy in one case, L. lanka alone in one case and L. pomona one in one case. DFM was found to be more sensitive in a smal number of cases and hence DFM needs further evaluation by other workers in this field.

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A new anomalous apperture has been identified by the author in association with the occipital bone. It was situated in the interval between the jugular fossa and the occipital condyles. Out of 118 skull bases examined four instances of this anomalous apperture were found (2 complete and 2 incomplete). The author speculates that they may transmitting the posterior condylar emissary vein in the absence of the condylar canal or in its abrrent course to the jugular foramen. In view of its topographical location the author proposes the name--'Paracondylar foramen' to this anomalous apperture.

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Atopic Dermatitis also known as infantile eczema in infants, is a chronic endogenous eczema which manifests with different characteristic distribution in infants, children and adults. Absence of any reliable laboratory investigation to confirm the diagnosis makes it very difficult to differentiate it from other eczemas especially in infantile and childhood types. This study compares a small group to patients belonging to infantile and childhood types of atopic dermatitis and documents the changes observed in these category of patients.

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Present study has been undertaken to know the causative factors responsible for change in trend of gall-stone disease from middle aged, fertile, fat females to young asthenic females in twenties. Our findings reveal high incidence of gall stone formation in non-obese young females. Average fat consumption in non-obese patients was less (17%) than that of obese (26%). However, use of oral contraceptives was high in non-obese females and maximum users were in young age group while in obese in middle age group. Bilirubin content in gall bladder stones of non-obese was significantly more than that of obese (p < 0.01) whereas cholesterol content in gall bladder stones of obese was significantly high when compared to non-obese subjects. Analysis of bile showed significant increase in bilirubin and calcium level of non-obese when compared to control and obese subjects whereas phosphorus levels were significantly decreased in the bile of non obese subjects. These findings suggest that in non-obese females less intake of fat, early use of oral contraceptives, higher contents of bilirubin and calcium and low content of phosphorus in bile may be responsible for gall stone formation.

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