Biomedical subjects
Publications and source records attributed to R Achten.
The authors present a short overview on the state of the art of detection, diagnosis, operative staging and post-operative follow-up of colorectal carcinoma by barium studies, echography, CT and MR. Current concepts about these matters are briefly described and discussed according to the author's experience.
Cortical and whole kidney radionuclide transit parameters were studied in 16 patients who underwent a pyeloplasty for unilateral pelviureteral junction (PUJ) obstruction. As expected, the whole kidney mean transit time was found to be very sensitive but, due to the low specificity, not very helpful in the distinction between obstructed and nonobstructed kidneys. The cortical transit reflected, in some cases, the favorable surgical outcome. In other cases, however, it could not be considered as a reliable parameter of the clinical status, since it was found to be normal preoperatively and prolonged postoperatively in patients whose parenchymal function improved significantly after surgery and who had their clinical symptoms relieved.
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A case of pubic osteomyelitis in a child is presented. A well localized hyperactive area on a Tc-99m MDP bone scan provided the correct diagnosis. This scintigraphic localization of osteomyelitis seldom has been reported.