B Lecudonnec

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The line between the summit of the tibial tuberosity and the bottom of the trochlea groove as seen on a radiograph taken with the knee in 30 degrees of flexion and neutral rotation is indicative of the valgus position of the quadriceps mechanism at the moment of engatement of the patella in the groove. The authors stress the technical requirements to obtain(More)
The authors analyze the results of 50 computed angiographies made for osteosarcoma and Ewing's sarcoma. Better tolerated than conventional angiography computed angiography is also more sensitive in preoperative evaluation of effectiveness of neoadjuvant chemotherapy. Automatic subtraction, direct measuring of tumor size and vascularization density give to(More)
Indications for arteriography in obliterative arterial disease of the lower limbs essentially involve assessments before dilatation or operation in the presence of disabling intermittent claudication or rest pain or gangrene or moderate symptoms when Doppler findings indicate the possibility of dilatation. In order to ensure the best selection of potential(More)
A patient with severe acute pyonephritis and septicaemia had persistent symptoms of infection despite appropriate chemotherapy. Although no obstruction was seen on ascending ureteropyelography, exploratory lumbar incision was considered. However, computerized tomography (CT scan) failed to show any obstacle or collection of pus but indicated diffuse(More)
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