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Biomedical subjects

M Kringelbach

Publications and source records attributed to M Kringelbach.

12 recordsLinked to original sources

[Behçet's syndrome: an unusual cause of genital erosion].

A case of incomplete mucocutaneous Behçet's disease is presented. In spite of weekly to monthly attacks of genital pain for fifteen years, this diagnostic entity had been ignored. We wish to emphasize that Behçet's disease may be the cause of otherwise unexplained genital erosions. A set of clinical criteria according to an international study group serves to establish the diagnosis. Treatment is controversial. This case has been successfully treated with systemic tetracycline for more than six months.

Adult↗

[Vaginitis emphysematosa].

Vaginitis emphysematosa is a benign, uncommon condition characterised by the presence of gas-filled cysts beneath the vaginal epithelium. Cases has been reported in pregnant women, in patients with diseases of the cardiovascular system and in patients with Trichomonas or Gardnerella vaginitis. To date the etiology and pathogenesis have not been fully elucidated. A case of vaginitis emphysematosa in a patient with cardiovascular disease is described.

Emphysema↗

An international case-control study on hypospadias. The problem with variability and the beauty of diversity.

The paper describes problems and advantages in an international cooperative study of a case-control design, aimed at investigating the possible association between exogenous hormones and hypospadias. The varying degrees of the ascertainment of specific exposures and risk factors, in spite of the use of a standardized questionnaire is illustrated. Definite support for the existence of recall or interviewer bias is presented. On the other hand, the multipopulation design offers possibilities to make use of the diversity of the populations: differences in reproductive patterns and in specific exposures such as drug use, smoking and maternal occupation.

Bias↗

Parental fertility and infant hypospadias: an international case-control study.

The authors have performed an international case-control study on the significance of exogenous hormones for the origin of hypospadias (Källén et al., 1991 a,b). Using data from this study on 846 infants with isolated hypospadias and equally many controls (next male infant born in the same hospital as the case), variables that might indicate an increased rate of fertility problems in couples who had a boy with hypospadias were studied. Cases had slightly fewer previous pregnancies, there was practically no difference in the rate of previous induced abortions, and no demonstrable difference in menstrual history. Infertility periods of at least 6 months were more likely among cases than controls but the difference did not reach statistical significance in a two-tailed test. There was no demonstrable difference in the time to conceive between cases and controls. The difficulties of directly studying subfertility problems are stressed.

Case-Control Studies↗

Oral contraceptives in the etiology of isolated hypospadias.

With the objective of identifying whether hypospadias in infants is associated with maternal use of oral contraceptives before pregnancy or in early pregnancy, 846 case-control pairs were collected from eight different malformation monitoring programs around the world and mothers were interviewed using structured questionnaires administered after the birth of the infants. There was no difference in the preconceptional use of oral contraceptives between cases and controls, neither with respect to the number of years of oral contraceptive usage nor the time between stopping oral contraceptives and the present pregnancy. To this material was added data on oral contraceptive usage in early pregnancy from two other sources: an ongoing case-control study in Spain (725 infants with hypospadias) and a population-based study in Sweden (631 infants with hypospadias). There was no statistically significant difference in oral contraceptive exposure in early pregnancy between cases and controls. There is no demonstrable association between oral contraceptive use and infant hypospadias.

Contraceptives, Oral↗

Value of four models for selecting patients for local excision of invasive squamous cell carcinoma of the vulva.

For 75 women with squamous cell carcinoma of the vulva who underwent radical vulvectomy and inguinofemoral lymphadenectomy, the authors assessed the efficacy of four models for selecting patients who could have been treated adequately with local excision of the tumor. Each of the three models proposed by Andreasson and Nyboe covered 25% of the patients, none of whom had groin metastases or died of cancer. Local recurrence in the vulva occurred in 10%. A model suggested by the International Society for the Study of Vulvar Disease covered almost 10% of the patients. One of seven patients had groin metastases, none died of cancer, and one of seven developed local recurrence in the vulva. The criteria of the clinically best suited model are tumor not situated on the clitoris and less than 4 cm in diameter, with only slight hyperchromasia. This model ought to be tested in a randomized study.

Adult↗

Early complications after induced first-trimester abortion.

Complications subsequent to 5,851 consecutively induced first-trimester abortions during the period 1980-85 were analysed. Three hundred and fifty-six abortions (6.1%) led to complications requiring hospital admission. According to bivariable analysis, women below 25 years of age, women with parity 0, women with no spontaneous and with no induced abortions, and women in gestational week 8 had significantly higher postabortal complication rates than women 25 years of age and older (p less than 0.001), women with previous births (p less than 0.0001), women with spontaneous abortions (p less than 0.005), women with induced abortions (p less than 0.005), and women in other gestational age groups (p less than 0.0005). The mean stay in hospital per complicated abortion was 5.3 days. It was discussed whether the administration of prophylactic antibiotics to women with a history of pelvic inflammatory disease and young women completing their first pregnancy could reduce the complication rate.

Abortion, Induced↗