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Biomedical subjects

D E Townsend

Publications and source records attributed to D E Townsend.

At least 109 records · Page 6Linked to original sources
PubMed1976

The role of postoperative irradiation in the management of stage I adenocarcinoma of the endometrium.

A comparison of treatment protocols for endometrial carcinoma is presented. Valid conclusions regarding optimum approach are virtually precluded because of variability of such factors as clinical staging, incidence of vaginal metastases, patient selection, and histologic grade. While hysterectomy is the established definitive treatement, the superiority of adjuvant irradiation can be demonstrated only by randomized prospective studies.

Adenocarcinoma↗
PubMed1976

Vaginal embryogenesis, estrogens, and adenosis.

The recent outbreak of vaginal adenocarcinoma and the associated genital tract anomalies in women with histories of prenatal exposure to diethylstilbestrol (DES) has generated interest in vaginal embryogenesis and the influence of hormones on the developing genital tract. In this report the embryology of the vagina and the role of sex hormones in normal and abnormal sex duct development are presented and discussed in relation to the DES-induced anomalies. Although the teratogenic activity of DES in humans has been confirmed, the available evidence suggests that the clear cell carcinomas are initiated by endogenous estrogens and not the prenatally administered DES.

Abnormalities, Drug-Induced↗
PubMed1975

Colposcopic evaluation of the abnormal Papanicolaou test in pregnancy.

Colposcopy, including colposcopically directed biopsies in selected cases, was employed to evaluate over 300 pregnant patients with abnormal Papanicolaou tests suggestive of mild dysplasia or worse (Class III to V). Over half of the patients had benign disorders determined by colposcopic examination. All cases of invasive disease were diagnosed by colposcopy and biopsy, and the patients were treated accordingly. Only 3 diagnostic conizations were necessary in the antepartum period. The majority of patients with cervical intraepithelial neoplasia were seen post partum, and appropriate therapy was instituted. In the pregnant patient with an abnormal Papanicolaou test, colposcopy has proved to be a reliable and safe method of evaluation and has virtually eliminated the need for conization.

Biopsy↗
PubMed1975

Cryosurgery.

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Cervix Uteri↗