A total of 27 cases of nasopharyngeal angiofibroma were treated in this series. All were males and age ranged between 9 and 24 years. Predominant symptoms were epistaxis and nasal obstruction. Nasopharyngeal mass was present in all cases. Cheek extensions were observed in 6. Surgery was done in 25 cases. Transpalatal excision was done in all cases. Cheek extensions were removed through separate sublabial incisions. Additional lateral rhinotomy was required in one case. Death occurred in one case during surgery due to excessive haemorrhage. Out of 25 cases, 21 were followed up for periods ranging from 2-5 years. Complete cure was observed in 16 cases. Recurrence occurred in 5 cases, who were operated upon again. Out of 5 recurrence operated cases, 2 cases showed a second recurrence.

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3000 subjects from four high risk groups--patients attending STD clinics, hospital personnel, blood donors and foreign nationals were screened for the presence of HIV antibodies HBsAg and VDRL reactivity. No evidence of HIV infection was found in Himachiali population. However, there of the 150 foreign nationals screened were found positive for HIV antibodies. Overall HBsAg positivity and VDRL reactivity was found to be 5.53 per cent and 9.07 per cent respectively. The importance of circumspected and unswerving machinery for the surveillance of HIV antibodies in the high risk population of the state is emphasised.

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The effect of ICV administered TSH on Brobeck's thermostatic hypothesis was evaluated by recording chronological changes in electrical activity of precise loci (POA, VMN and CO) coupled by rectal temperature changes in dogs. The study revealed 1. TSH action on thermoregulation is biphasic in nature. 2. This action of TSH is not an independent act but depends on the reaction of satiety centre.

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