[75-Se-labeled bile acid analog absorption in various gastrointestinal diseases using a whole body counter].

Aim: It is possible to detect disturbances of bile acid absorption using a whole body counter after administration of Se-75 labelled bile acid analogues. We scrutinized the benefit of a modification of the test method.

Methods: We investigated 77 patients with different forms of a gastrointestinal disease.

[Operative possibilities for tumors in single kidneys with particular reference to in situ perfusion (author's transl)].

Surgical removal of malignant tumors from a single kidney is definitely a problem which can be solved by modern techniques of urological surgery. The different operation techniques in 5 of the patients operated on in the Urologische Universitätsklinik Giessen are presented and discussed. In the individual case, besides extracorporeal tumor surgery, the excision of the tumor especially using in situ perfusion with the aid of the floating catheter can facilitate the surgical intervention considerably, and in particular reduce the danger of a postoperative renal failure.

[Studies on the risk of complications in transfemoral arteriography in infancy (author's transl)].

Four cases of restricted circulation were found during follow-up examination of 42 infants after arteriography. In 3 of the 4 patients with restricted circulation, arteriotomy with vascular suture had preceded or had been performed in direct association with the arteriography. This strengthened the suspicion that such additional manipulations increase the risk of restricted circulation as a sequel to arteriography.

[Possibilities of differential diagnosis for positive ventriculography in children (author's transl)].

On the basis of 112 positive ventriculographies showing enlargement of the ventrical system in children and adolescents and excluding supratentorial processes, the possibilities and limitations of ventriculographic differential diagnosis were presented. Pathognomonic findings were found in inflammatory aquaduct occlusions and in meningoceles combined with hydrocephaly. In neoplastic or otherwise induced ventricular enlargement, statements can be made only in regard to the localization and often to the extent of the process.

[Embolisation of malignant renal tumours (author's transl)].

We have carried out embolisation of malignant renal tumours using homogenised muscle in a number of patients. Since October 1974, this has been done 22 times; in six cases the tumour was inoperable. Pre-operative embolisation of resectable renal tumours makes the operative procedures easier and reduces operative risks in older patients.

[The clinical features and diagnosis of glomus tumours (author's transl)].

The symptoms of chemodectomas are described briefly and the literature reviewed. Two cases are presented; of these, one was a typical glomus jugulare tumour, the other an unusual metastasising glomus tumour. The role of radiological diagnosis is discussed and the value of angiography is stressed.