[Possibilities of interventional radiology in the treatment of common bile duct calculi].
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Biomedical subjects
Publications and source records attributed to W Brühlmann.
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Intraluminal duodenal diverticula are rare malformations which usually are noted first in adulthood. High intestinal obstruction predominates the clinical picture. Surgical resection of the diverticulum is the treatment of choice. In a 52-year-old woman it was possible to split the intraluminal obstruction along its whole length by endoscopic means. This method would seem to present a possible alternative to surgical intervention.
Whipple's disease may mimic clinically primary intestinal lymphoma. In addition, lymphographic findings in the paraaortic lymph nodes in Whipple's disease simulate malignant lymphoma. These severe tumor-like lymphographic changes are described in three cases of Whipple's disease. The data highlight the risk of misinterpreting of Whipple's disease as malignant lymphoma on the basis of clinical data and lymphographic findings.
Three cases of Mirizzi's syndrome are reported, with special emphasis on differential diagnosis and preoperative evaluation. The syndrome consists of the triad cystic duct stone, inflammatory reaction and benign hepatic duct stenosis. Endoscopic retrograde cholangiography or percutaneous transhepatic cholangiography is mandatory for preoperative evaluation. Cholecystectomy with clearance of the bile duct is the treatment of choice.
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Dysfunction of the pharyngo-oesophageal sphincter may escape detection by clinical examination, endoscopy, and routine barium studies. Cineradiographic examination of 300 patients with unexplained dysphagia revealed 57 cases of pharyngo-oesophageal dysfunction. In 25 cases an underlying disorder could be found, and 32 cases were considered idiopathic. Radiologically 3 types of dysfunction may be distinguished, namely late opening, incomplete relaxation, and early contraction of the pharyngo-oesophageal sphincter. Cineradiography was found to be an easy and reliable method of detecting pharyngo-oesophageal sphincter dysfunction.
Four patients with priapism - 3 with idiopathic and 1 with post-traumatic etiologies - were examined by arteriography and cavernosography. The findings of these examinations as well as distinct clinical findings suggest that there are 2 different types of priapism. One is characterized by severe blood stasis within the corpora cavernosa with resulting compression of the deep arteries of the penis and reduction of arterial blood flow. In the other type, arterial flow into the corpora cavernosa and drainage into the veins are substantially increased. In this type, long-standing priapism does not seem to produce fibrosis of the corpora cavernosa with resulting impotence.
For normal erection two mechanisms are essential: the first provides increased arterial inflow, most probably this is obtained due to the activity of the intimal cushions within the arteriae helicinae and within the shunt vessels. The second mechanism uses increased arterial blood flow; this could be obtained due to the activity of the trabecular muscle fibers of the corpora cavernosa. In consequence, we would deal with two different types of priapism: one type--high-flow priapism--occurs at the level of the arteriae helicinae and the intimal cushions and provokes a high-flow situation, and the second type, with blood stasis in the corpora cavernosa, occurs at the level of the trabeculae due to persistent contraction of the smooth muscle fibers. The prognosis of the second type is much less favorable and should be cured by surgery within the first 48 h.
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Twenty-four men aged 20-67 years (mean 42 years) were examined by selective arteriography for secondary impotence. The angiographic technique used as well as the normal anatomy and its variations are described. Arterial occlusive disease of vessels leading to the penis and the corpora cavernosa was found in 71% of the patients examined. This high incidence of arterial occlusive disease corresponds with the findings of other authors. The significance of these findings is discussed. In our limited experience of 3 patients, arterial anastomosis from the inferior epigastric artery to the corpora cavernosa has not been successful.
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