Presenile cataract. A follow-up investigation with special reference to occupational aspects.

A retrospective investigation was carried out of 100 patients below the age of 60 years operated for presenile cataract. The material has been divided into three occupational groups, depending on the visual requirements. The complaints prior to and after operation have been related to the patient ability to retain their employment.

Orbital abscess in two neonates, deriving from conjunctival malformations.

A report is given of two infants who developed an orbital abscess within their first month of life. Generally they were unaffected, and malignancies were initially suspected. Ultrasonography showed partly cystic, partly solid lesions.

Cytological and quantitative cytochemical studies of post-radiation dysplasia.

A total of 60 vaginal smears from 19 women treated with ionizing radiation for malignancies of the genital tract in the past seven years in the Division of Radiation Therapy of Emory University School of Medicine were studied for the presence of post-radiation dysplasia (PRD) by means of Feulgen cytospectrophotometry and cytological analysis. PRD was diagnosed on the basis of the presence of dysplastic cytological changes, absence of clinically detectable lesions, and presence of aneuploid DNA values in the dysplastic cells. PRD was detected in 21% of the studied cases.

Cytospectrophotometric analysis of DNA content in the invasive cancer of the vervix.

Fourteen cases of invasive, well differentiated squamous cell carcinoma were studied by means of spectrophotometry for relative DNA content in the tumor cells. Comprehensive review of literature on the subject is given. No correlation of relative DNA value in the tumor cells and clinical stage of the malignancy was found.