The occurrence of heterotopic cartilage islands (HKI) in the uterus wall is a rare event. So far, less than 50 cases have been reported. The present paper describes two additional cases and renders a review of the pertinent literature. The following topics are discussed: epidemiology, localization, morphology, clinical findings, etiology and pathogenesis. The vast majority of the HKI will result from displacement and retention of fetal tissues in the uterine wall. In exceptional cases, a development of HKI due to metaplasia may be discussed.
Angiodensitometry complements conventional renal angiography and provides important additional functional information without subjecting the patient to any further stress. Since blood flow through the renal arteries can be determined, it is an important method for the preoperative investigation of renal disease.
In 68 patients arterial and portal blood flow were measured by angiodensitometry in the course of routine, indirect splenoportography. Results were compared with those already published, with investigations of a model and with animal experiments. It was shown that, given certain underlying conditions, reliable results can be obtained even in the presence of a pulsatile flow and incomplete contrast mixing. Compared with other procedures, the method has the advantage of providing a complete picture of liver haemodynamics in the course of routine splenoportography in a simple way and without affecting the patient further. As a result the indications for performing a shunt and the choice of the shunt technique can be more accurately determined.
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