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Biomedical subjects

B Wimmer

Publications and source records attributed to B Wimmer.

At least 91 records · Page 5Linked to original sources

[After-care problems and complications of percutaneous biliary drainage].

This is a follow-up study of 171 patients concerning the patients' care and complications following biliary drainage. Complications caused by puncture and drainage are considered separately. External biliary drainage resulted in 39%, internal in 26% with complications. The influence of advantages and side effects upon the indications of biliary drainage is discussed. Prognosis concerning the survival rate depends on the underlying pathology: In obstructive jaundice caused by metastases the patients only survived two months while the mean survival rate in carcinoma of the biliary ducts is 18 months.

Cholestasis↗

Budd-Chiari-Stuart-Bras syndrome: clinical, sonographic, radiological reexaminations in occlusive diseases of hepatic veins.

Ten patients with clinically and histologically verified Budd-Chiari-Stuart-Bras Syndrome (i.e. occlusive disease of small or large efferent hepatic veins) were re-examined, the examination also including combined ultrasonography and computed tomography. These non-invasive methods help to establish a quick diagnosis by locating and defining the most severe changes, by helping to select the most appropriate invasive diagnostic procedure, and by defining their topographical target. They thus facilitate immediate, optimal therapy. The disease process often starts in the right dorsal lobe of the liver and may cause extreme hyperplasia of the left or middle lobes, causing gross changes in the shape of the liver and considerably displacing the gallbladder in some cases. Thrombosis of the portal vein and pulmonary embolism seem to be most frequent complications or accompanying diseases. We therefore suggest immediate long-term anticoagulation, provided portal hypertension is not too severe; patients with severe portal hypertension should undergo a shunt operation. Our patients were followed up for periods ranging from 3 to 8 years. The very variable prognosis includes complete cure and good compensation over a long period and appears to be much better than has been reported by some authors.

Adult↗

[Computertomographic findings in pigmented villonodular synovitis].

The CT findings in two patients with synovitis of the knee joint were analysed. Angiography is a non-specific method for the differential diagnosis of synovitis; CT, however, can be pathognomonic by showing a strikingly thick and hyperdense synovial membrane because of the iron content of the hyperplastic synovia. This is not found in non-specific synovitis.

Aged↗

[Computed tomography in complex fractures of the ankle joint].

Diagnostic value of conventional roentgen technique and computed tomography is proofed by examination of 50 patients with sprain fractures of the ankle joint. The dimension of destruction of the distal tibial joint surface is better documented by CT than by other radiological techniques. Additional informations like multifragmentation of the distal tibia or evaluation of reposition impedigment are found more frequently by CT. Therefore indication and planning of the traumatherapy can be assessed better by the traumatologist.

Ankle↗

[Obstruction of the tracheal lumen by a palacos implant].

A case of tracheal obstruction by a methylmethacrylate implant which has been used to stop a massive bleeding during a struma operation, is reported. The intubation was successfully performed with a paediatric bronchoscope and a 18 charriere endotracheal tube.

Aged↗

[Sonography, urography and angiography in kidney carcinoma. A comparative study].

In a comparative study the validity of angiographic, sonographic and urographic findings for evaluation of 204 renal tumors was investigated. Angiography showed 97% correct results, sonography 96% and urography 93%. Mean tumor size was 8.4 cm. 25% of all tumors caused renal vein occlusion. On the one side there is a striking correlation between tumor growth and vein occlusion, and on the other side between vein occlusion and urographic silent right kidney. 20% of all tumors had metastasized at the time of diagnosis. In 4.5% of all cases we found a left sided symptomatic varicocele of the left side with invasion of the left renal vein by tumor masses.

Angiography↗

Chronic renal failure due to unilateral renal agenesis and total renal dysplasia (= aplasia). Report of three cases.

Three adult patients with unilateral renal agenesis/total dysplasia (= aplasia) and with an early chronic renal failure are presented. One patient had renal agenesis without ureter bud and ureteric ostium on one side, and reflux pyelonephritis on the other; one had small compact total renal dysplasia (= aplasia) on one side, while chronic uric acid nephropathy (chronic renal disease as a cause of gout) was diagnosed on the other; the third patient had a total large multicystic dysplasia on one side, and on the other a segmental large multicystic dysplasia. Radiological steps and radiodiagnostic criteria are discussed and the combination of urogenital and extraurogenital anomalies is referred to.

Adult↗

[Malignant fibrous histiocytoma of soft tissue. Pathology and radiology of an unusual sarcoma].

Four cases of malignant fibrous histiocytomas are reported. An attempt is made to determine some characteristic roentgenologic features of this disease. There is no pathognomonic radiologic sign; however, angiographic documentation of hypervascularization together with neovascularity and absorption values of about 35 HE in computed tomography suggest a predominantly fibrous sarcoma. Differential diagnosis on abscess formation, tumours of the fat tissue and primary vascular neoplasms should be performed and these conditions ruled out if not applicable.

Adult↗