Stabilization of the lumbar spine using the dynamic neutralization system.

The records of 68 patients (42 men and 26 women) who underwent spine stabilization with a dynamic neutralization system were reviewed. Mean patient age at operation was 42.8 years.

Prevalence of migraine in schoolchildren and some clinical comparisons between migraine with and without aura.

Objectives: To determine the prevalence of migraine and its association with age, gender, and social class and to find out whether or not the headache and nonheadache characteristics differ between children with migraine, with and without aura, using the diagnostic criteria of the International Headache Society for childhood migraine.

Design: Population-based study in two stages comprising an initial screening questionnaire followed by telephone interviews of children with symptoms.

Setting: Eighteen kindergarten and 39 primary and secondary schools in Thessaloniki and its semiurban areas.

Four and a half year follow up of women with dyskaryotic cervical smears.

Objective: To determine the proportion of women with mild or moderate dyskaryosis in cervical smears who (a) progress to cervical intraepithelial neoplasia grade III or worse or (b) regress.

Design: Four and a half year cytological follow up study of women with mild or moderate dyskaryosis in cervical smears.

Setting: 666 Women (mean age 28 (SD 8) years; range 14-74) found to have borderline, mild, or moderate dyskaryosis on routine screening.

Interpretation of negative results in fine needle aspiration of discrete pulmonary lesions.

A retrospective analysis was carried out on a consecutive series of 181 percutaneous fine needle aspiration biopsies of discrete pulmonary lesions, in which the outcome was established in 95%. In primary bronchial carcinoma the technique had a sensitivity of 86%. There was no relationship between the size, location, or radiological appearance of the lesion and the incidence of false negative results.