[Diagnostic and therapeutic possibilities of angiography in carcinoid tumors of the digestive tract (author's transl)].
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Angiography↗
Biomedical subjects
A Roche
Publications and source records attributed to A Roche.
[Psoas abscess of tuberculous origin without visible vertebral lesions. A case report (author's transl)].
Though seen with diminishing frequency, psoas abscesses of tuberculous origin are usually secondary to vertebral lesions. The absence of radiologically detectable bone lesions should not exclude the diagnosis, however, as these abscesses can be associated with sub-ligamentary spinal lesions. A case is reported of a psoas abscess of tuberculous origin revealed by a voluminous retroperitoneal mass, without visible signs of any bone lesion. The results of the different examinations conducted are presented.
Abscess↗
Preoperative selective portal vein embolizations are an effective means of extending the indications of major hepatectomy in the normal and injured liver.
BACKGROUND/AIMS: Liver tumors may be unresectable for volumetric reasons; the post-hepatectomy future remaining liver (FRL) will be too small to ensure survival. In some cases, preoperative selective portal vein embolization (PSPVE) of the tumorous part of the liver can permit the induction of hypertrophy of the FRL and convert patients from an unresectable to a resectable status. METHODOLOGY: Analysis of the efficiency of PSPVE in changing the volume of the FRL and in permitting curative hepatectomy was performed in a retrospective study of 28 initially unresectable (for volumetric reasons), consecutive cases treated from September 1987 to September 1995. Fifty percent of the cases had damaged liver parenchyma. PSPVE was performed in various locations, according to the site of the tumor and impairment of the liver parenchyma. RESULTS: Twenty-five PSPVE (89%) successfully induced sufficient hypertrophy of the FRL. Explanations could be found retrospectively for the 3 failures. For the 28 cases, the mean increase in the FRL was 70%, and the mean ratio between the FRL and the whole functional liver changed from 21.5% before PSPVE, to 33.9% after PSPVE. Twenty-three patients could be hepatectomized (82%). CONCLUSIONS: With this technique, liver tumors considered to be unresectable, due to life-threatening volumetric insufficiency, may be considered resectable lesions, and there is an increase in the safety of some extended hepatectomies. These good results were mainly due to application of the distal and proximal free flow embolization technique, with non-absorbable material, and perhaps to the long interval of one month between PSPVE and hepatectomy. Indications in normal liver parenchyma are for patients with a very small left lobe or those requiring a right hepatectomy with wedge resections of the left liver. Indications for damaged liver parenchyma also include some cases requiring left trisegmentectomy or central hepatectomy.
Adolescent↗
[Treatment of malignant gastric or duodenal stenoses by the insertion of metallic prostheses under fluoroscopic control].
PURPOSE: To evaluate the efficacy of metallic stents for palliation of malignant gastro-duodenal stenosis. MATERIALS AND METHODS: Twenty-three patients aged from 36 to 88 years old presented with nausea, vomiting and weight loss due to duodenal (n = 16) or antro-pyloric (n = 7) malignant stenosis and underwent placement of 37 Wallstents (1 to 3 per patient) under fluoroscopic guidance. RESULTS: After initial stent placement 17 patients had normal food intake. One patient was able to eat fractionated meals. Five patients did not experience any improvement due to the presence of a jejunal stenosis downstream in 2, or insufficient stenosis coverage in 2 and stent migration in 1. Nine of the 18 patients with improvement died without symptoms within 101 +/- 56 days after stent placement and 6 were alive and symptom-free after a mean follow up of 176 +/- 83 days. Three asymptomatic patients were lost to follow up after 3 days, 1 and 2 months, respectively. CONCLUSIONS: Metallic stents appear to be a valuable option for the treatment of malignant gastro-duodenal stenoses.
Adult↗