[Blood group ABO (H) cell surface antigens in bladder tumours invading the chorion. Prognostic value of their determination by immunofluorescence. Retrospective study of one hundred and twenty-five cases].

The authors have studied 125 stage A bladder tumours with a follow-up period of at least 5 years. The ABH cell surface antigens were collected by a double-layer immunofluorescence technique which has already been described. All the cross sections were read by the same pathologist who knew nothing about the clinical developments.

[Precocious pseudo-puberty due to HCG-secreting androblastoma of the ovary. One case (author's transl)].

A case of ovarian androblastoma (arrhenoblastoma) of the intermediate differentiation type in a 5-year old girl is reported. The clinical features were precocious isosexual puberty with secondary masculinization. The tumour was removed but relapsed 26 months later, requiring ovariectomy and salpingectomy.

[Needle biopsy of the liver in an internal medicine department].

The authors presents 1 129 liver biopsies done during 7 years in a service of general medicine. Three accidents has been encountered representing a 0,17% mortality. Histologically, 50% of patients presented alterations due to ethylism, 25% presented a normal liver picture, which can be a diagnosis argument; 20% presented various lesions, of which tuberculosis is predominant, as well as acute, parasitary or hematological livers.