Distribution of glands in the mucosa of the hard palate and its relation to carcinoma.

Carcinoma of the hard palate in women who practice reverse smoking is very common in Visakhapatnam. This carcinoma usually occurs in the middle of the posterior half of the hard palate and not in the soft palate or in the anterior half of hard palate. The volume of the glandular tissue in the mucosa of the hard palate is maximum to the right or left half of the midline in the posterior half in both fetuses and adults.

'Isopathic phenomenon' in leprosy.

Isopathic phenomenon of SAGHER was elicited in 21 proved leprosy patients (consisting of 7 lepromatous, 7 tuberculoid, 3 neuritic, 2 borderline, and 2 indeterminate types). The substances used to elicit the isopathic phenomenon were BCG lepromin, Indian ink and staphylococcal vaccine. Isopathic phenomenon was elicited in most of the cases and BCG was the substance which produced the most responses.