Biomedical subjects
Publications and source records attributed to P Devred.
About a case of striated and delayed nephrogram seen on a diabetic child, authors come back to the different etiologies. Among them, the tubular precipitation of Tamm-Horsfall protein seems to be given like on the right possibilities. Whatever is its etiology, the mechanism of striated appearance is always the same, being founded on the radiated disposal of the collecting ducts and on a tubular stasis beeing with iodine concentration.
The authors report two cases of intestinal intussusception successfully reduced by hydrostatic pressure. A post-reduction filling defect in the cecum disappeared spontaneously on follow-up barium enema, and is therefore consistent with cecal edema. It appears an initial period of close observation for such cases is worthwhile, delaying the decision about surgery until after a follow-up barium enema; this may confirm the disappearance of the filling defect.
A 9-month-old infant presented with a multilocular pancreatic cystadenoma. Pathological features of this extremely rare lesion in children are outlined and the relevant literature reviewed. Diagnostic methods are analyzed, and emphasis placed on the difficulty of diagnosis of non-renal multicystic abdominal masses by ultrasound imaging in children.
The authors report the case of a left paraduodenal hernia which involved almost the entire small intestine in a 15 year old girl who presented with recurrence episodes of acute abdominal pain associated with König's syndrome. Radiologic examination (plain film of the abdomen and upper GI series with small bowel follow-through) was suspicious, but did not establish the diagnosis due to unfamiliarity with the radiologic appearance of the condition. The roentgenograms are shown as well as the intraoperative findings. Anatomic, pathophysiologic, clinical, and radiologic characteristics are reviewed.
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The authors present radiological aspects of small bowel after extensive resection. They describe the main phenomena related to compensatory hypertrophy: dilatation of the loops, mucosal fold-thickening and motor disturbances. The main complications demonstrated by the radiological examination are presented; gallstones, non-functioning anastomosis, bacterial overgrowth.
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Computed tomography and lateral plain films have been studied in 30 fractures of calcaneus. C.T. allows us to study in the same time the two feet, with low mobilisation. Two planes are mandatory: --one, along the long axis of the calcaneus, allows a good evaluation of calcaneo-cuboïd joint, of the quality of the bone structure and of the large fragments or comminution; --the other one (coronal in 18 cases of along the tuberosity in 16 cases) shows directly the subtalar joint lesions (impaction, joint incongruence) and plantar fracture line. This study conclude that CT is useful for the evaluation of the severity calcaneus fractures and for treatment selection because of a better evaluation of lesions.
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