[Metastatically induced colonic changes--a differential diagnosis from Crohn's disease].
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Biomedical subjects
Publications and source records attributed to T Schreyer.
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Myelolipoma is a benign, rare, and hormone-inactive tumor of the adrenal gland. Its characteristic appearance on sonography and computed tomography enables preoperative diagnosis with a high degree of safety and accuracy. Symptomatic or large tumors have to be removed since there is a high risk of spontaneous hemorrhage. Common findings in patients with myelolipoma are reviewed, especially in those with surgically removed tumors.
The haemangiopericytoma is a rare type of vascular tumour. The article reports on a case of unusual location in the liver.
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Vague notions concerning the radiation dose to the gonads during sclerosing treatment of varicoceles have lead to the unjust neglect of this form of therapy. Accurate measurements have shown that the dose is less than the dose to the female breast resulting from chest radiographs in two planes, if the treatment proceeds without complication. Although the dose is so low, an attempt has been made to evaluate the risk.
Myelolipoma is a benign, rare and hormone-inactive tumour of the adrenal gland. Only symptomatic or large myelolipomas have to be removed. CT enables diagnosis with a high degree of safety and accuracy.
A 30-year-old Italian male was admitted to the hospital showing all clinical signs of acute pancreatitis. With the help of computerized tomography, ultrasonic and angiographic methods multiple cysts in pancreatic body and tail as well as close to the hilus of the spleen could be shown. Positive serological tests made the diagnosis "echinococcus granulosus" likely. Resection of the left part of the pancreas as well as resection of the spleen eliminated the parasite. Histologically hydatid cyst was traceable in the pancreatic duct.
Echogenic liver lesions are common. The differential diagnosis has to consider hepatic lipoma, which can be identified by CT.
Ultrasonic examination was performed in 79 patients with blunt abdominal trauma, using 3.5 mHz real-time sonography. The examination aimed at clarifying intraperitoneal and retroperitoneal haemorrhage and injury to organs. Sonographic detection of haemorrhage succeeded in 13/13 of spleen ruptures and in one case of a liver rupture. 6 renal traumas were recognised by means of indirect signs and only twice by the direct identification of a band-shaped interruption of the parenchyma. Non-invasive sonography can be employed primarily in place of diagnostic peritoneal lavage for the detection of life-threatening intraperitoneal haemorrhages with an accuracy of more than 90%. Primary diagnosis of the source of haemorrhage is limited to individual cases because of the unfavourable conditions under which examination is performed. In unclear cases essential additional information is supplied by sonographic examination of the course of the disease.
Extrabiliary obstructive jaundice is only encountered in biliary digestive anastomosis when the draining bowel itself is obstructed. In two patients, the cause of obstruction was a local tumour recurrence.
The microcystic adenoma of the pancreas is a very rare benign pancreatic tumour. This tumour, which is usually large and grows slowly, results in displacement and compression of the adjacent organs. Angiography reveals hypervascularisation. The characteristic structure of the tumour can be recognized both in the sonogram and in the computer tomogram.
For palliation of pain caused by bone metastases beta radiation isotope therapy was successful. As shown in experimental work on animals bone uptake of 90Y with its shorter half-life is high when it is administered as a citrate complex. 90Y can be eluted with high purity from a 90Sr "cow". The retention in man was found by whole-body counting to be higher than 80%. In preliminary trials on 16 patients the analgetic effect was the same as that of 89Sr. The properties of 90Y therapy are discussed.