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Immature teratoma of the ovary is a rare tumour (1% of cancer of the ovary) usually seen in adolescents or young women. It is a malignant tumour derived from an abnormal germ-cell which undergoes meiotic division. The diagnosis is based on the pathological examination which reveals immature tissue derived from two or three types of embryonic tissue (endo-, meso- and ectoderm). Intraperitoneal dissemination occurs and immature or mature recurrence is observed. The prognosis was particularly severe before the use of polychemotherapy which has also made conservative surgery possible. At the present time, the consensus is to reduce the duration of the chemotherapy with a regular clinical and laboratory (tumour markers, aFP) monitory. A second look laparotomy verifies successful treatment.

Objective: Review of primary seropapillary carcinoma of the peritoneum., Type of Study: Retrospective., Place: Department of Gynaecology and Oncology, University Hospital, Rennes., Subject: 16 patients who underwent chemotherapy and surgery., Results: Mean age at onset was 62 years with a late clinical diagnosis at an advanced stage. Macroscopically, peritoneal miliary was often associated with a predominant tumoural formation on the epiploon. Treatment included surgical exeresis with endoxan-cisplatin chemotherapy. The prognosis was equivalent to ovarian tumours at similar stages., Conclusion: Primary seropapillary carcinosis of the peritoneum is a separate group of peritoneal carcinosis distinguishable from peritoneal mesotheliomas and which have a prognosis similar to ovarian tumours. These tumours should be classed as part of the large group of mullerian tumours.

A case of juvenile tumour of the granulosa occurred in a pregnant woman. Outcome was rapidly fatal. These tumours are classed as mesenchyma tumours of the sexual cords of the ovaries. The juvenile form occurs before the age of 30 years in 97% of the cases and has characteristic endocrine and anatomic features. The tumour remains localized in the ovary for a long period and may be treated with conservative surgery to preserve fertility in these young patients. Follow-up is aimed at detecting relapse which may occur early. Prognosis in such cases is very poor. Pregnancy does not modify the prognosis which is generally good.

Fibroadenomas occupy the first place, in terms of prevalence, among benign breast disorders in adolescent girls. Juvenile giant fibroadenoma is a special though rare form, which must be recognised in terms of differential diagnosis from virginal hyperplasia in its asymmetrical early form and phylloid tumours, the prognosis of which is different. The authors describe the clinical and pathological features necessary for diagnosis and report the results of breast reconstruction after excision via a lateral radial approach in a 14-year-old adolescent girl.

The authors present a case of primary pure carcinoid tumour of the breast and point out how rare it is and how they made their diagnosis mainly by histology. A review of the literature makes it possible to assess the prognosis which should be good and they also describe the anatomo-pathological findings in these tumours. Finally these tumours show a strange histogenesis which if it is understood makes it possible to understand certain processes of cellular differentiation in breast tissue.

When the authors had a case of ovarian goitre with the Demons-Meigs syndrome they started to look at the literature for the incidence, the clinical presentation, the prognosis and the ways of treating this anatomopathological entity. Although histological examination can rarely make sure that the lesions are benign they are in most cases, as in the remainder of ovarian tumours, so that the outlook should be good.

The pathology of the umbilical cord is an important factor in placental pathology, and may be the cause of acute fetal distress or antenatal death, though many unknown factors still remain.

The authors explain the particular nature of these multifocal tumors: absence of node involvement, difficulties of diagnosis, relatively favorable prognosis and a therapeutic dilemma: limited procedure with strict surveillance, subcutaneous bilateral mastectomy.

Epidermoid cyst of the testis is a benign tumour. It is not rare since between 1971 and 1980, 6 were found amongst 54 tumours of the testicule in the Rennes Regional Hospital Centre. The lesion is asymptomatic, causing neither lymphadenopathy nor any laboratory abnormalities. It can be differentiated from a malihgnant tumour only by histopathological examination and treatment may be summarised as orchidectomy.

Case report of a Liebow's desquamative interstitial pneumonia in a 3 week-old infant. The disease resulted in permanent respiratory failure. Steroid therapy had no durable effect and death occurred at 4 1/2 months of age.

In France, 7,000 women die yearly of cancer of the breast, and 25,000 new cases are registered. The seriousness of the illness and its frequency show how important it is to diagnose it early at a stage before invasion or in situ (where 95 to 100% can be cured). In 4 years, at the University Hospital of Rennes, 90 out of 446 patients who were operated on for breast lesions had invasive cancer of the breast, i.e. 20%. 12 had a carcinoma in situ of the breast (C.I.S.E.), constituting 2.6%, of which 9 were in situ duct carcinomas and 3 in situ lobular carcinomas. In situ carcinoma of the breast can take almost any clinical form (a nodule, pain in the breast, mastitis, blood stained discharge from the nipple or Paget's disease). This means that lobular carcinoma in situ is always a surprise when diagnosed histologically in a lesion that is clinically benign. Since the anatomo-pathological diagnosis is difficult, a simple examination of the breast is not to be relied on in cases of carcinoma in situ of the breast. Mammography is the only truly valuable investigation in early diagnosis of C.I.S.E.

The authors report a case in which a trophoblastic tumour developed at the implantation site in a 34-year-old woman in her second pregnancy. She had previously had trophoblastic disease that had persisted after a molar pregnancy. Using monoclonal anti-beta-hCG antibodies in order to localise the tumour by clinical radio immunodetection made it possible to cure the patient. The tumour was a secretory tumour and hysterectomy was the cure.

With reference to two cases of epidermoid cyst of the testes, it is recalled that testicular tumors are rarely benign (3% of cases); among these the epidermoid cyst remains exceptional. This tumor is always benign, with no degenerative potential, as long as it exists in the pure form. Only the histological examination permits one to affirm that it is an isolated epidermoid cyst without any other teratomatous constituent. Simple orchidectomy is the treatment of choice for this tumor.