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.

Correlative study of exfoliative cytology and histopathology of oral carcinomas.

Cytology smears from 325 oral carcinomas were studied; the false-negative rate was 37%. Cancers of the floor of mouth exfoliated most malignant cells and those of the gingiva exofoliated the least. There was no correlation between the histologic grading, location, sex of the patient, and the result of the cytology smear.

Evaluation of oral, pharyngeal, laryngeal and esophageal cancer risk in reverse smokers of chuttas.

Reverse smoking of chuttas seems to have no significance for the development of cancer of the hypopharynx, esophagus, larynx and nasopharynx. The conventional chutta smoker runs a slight risk of developing hypopharyngeal cancer. Other smoking and chewing habits do not seem to play any role in our area as these habits are very uncommon.

Oral exfoliative cytology in female reverse smokers having stomatitis nicotina.

1. The Karyopyknotic index of the palatal and lingual mucosa is increased in female reverse smokers when compared to non-smoking females. 2.

Histopathological study of stomatitis nicotina.

One hundred and thirteen biopsies of the palate in people accustomed to smoking cigars, most of them with the burning end of the cigar inside the mouth, have been studied.Thirty-eight of these showed mild to severe atypical changes in the epithelium. There were 19 lesions showing orthokeratosis and 53 showing hyperorthokeratosis.