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Biomedical subjects

W D Sager

Publications and source records attributed to W D Sager.

At least 37 records · Page 2Linked to original sources
PubMed1981

[Computer tomographic diagnosis of pancreatitis and pancreatic cancer].

The article reports on 78 CT scans of surgically verified diseases of the pancreas, namely, 30 cases of chronic pancreatitis, 12 cases of haemorrhagic-necrotizing pancreatitis, and 36 cases of carcinoma of the pancreas. 12 of these cases were operable, whereas 234 were inoperable. The operable carcinomas were so small that proper diagnosis was effected in 50% only, whereas the inoperable carcinomas eluded CT identification in 17% of the cases only. The most important signs of an operable carcinoma of the pancreas are a well-defined enlargement and inhomogeneity of the parenchyma with reduced contrast, especially on bolus injection, as well as dilatation of the bile duct system. The most essential criteria for inoperability are absence of boundaries, especially towards the dorsal side, with infiltration of the retroperitoneal fatty tissue, and lack of delineation of the large vessels. According to the present state of the art, CT does not supply definite criteria for differentiating between an operable carcinoma of the pancreas and chronic fibrotic pancreatitis. Overstepping of the marginal contours is a reliably distinctive feature between carcinoma and pancreatitis, but it also points to the inoperable nature of the disease. Haemorrhagic-necrotizing pancreatitis is characterized by definite CT criteria, so that diagnosis is easy.

Adult↗
PubMed1981

[Computer tomography in the Sturge-Weber syndrome].

The CT criteria of the Sturge-Weber syndrome are described on the basis of 5 cases observed by the authors. Computerized tomography makes it possible to identify earlier - and in some cases more clearly - than by conventional roentgenography, the classical signs of the disease (calcification of the cerebral cortex, unilateral shrinking of the skullcap, distension of the frontal and sphenoidal sinus, thickening of the skullcap as a whole). Anomalies of vascularization, which had so far been demonstrable only by invasive methods, can also be demonstrated direct by means of computerized tomography.

Adolescent↗
PubMed1980

[Morphologically assessable changes in transitory ischaemic attacks in the computer tomogram (author's transl)].

83 patients with a transient ischemic attack have been investigated by computerized tomography. 71 patients had symptoms in the region of the middle cerebral artery, 12 in the basilar region. In 14 patients a hypodense lesion in the CT was found. Two of those patients showed multiple lesions. Two of those patients showed multiple lesions. The lesion affected always the region of the middle cerebral artery. Atrophy mostly of minimal degree was diagnosed in 31 patients.

Adult↗
PubMed1980

[Application of computer assisted tomography in gynaecological oncology (author's transl)].

The non invasive radiologic technique of computed tomography has been employed since 1978 at the University Women's Clinic and Radiologic Clinic, Graz. One hundred and fourty six examinations of the pelvis, abdomen and chest were performed on 63 oncologic patients. The method was employed for the preoperative detection and measurement of the size of benign and malignant neoplasms; in tumour staging and assessment of therapeutic response. The results suggest that CT might be the best method for the assessment of response to cytotoxic therapy of ovarian cancer.

Female↗
PubMed1980

Computer tomography in children with epilepsy.

Computer tomography investigations in 72 children with epilepsy showed 42 to be normal and 30 abnormal. An abnormal scan was more common children with partial seizures and in the presence of neurological deficits and/or mental retardation.

Adolescent↗
PubMed1980

[Importance of computer tomography in paediatric diagnostics of abdominal and pelvic tumours (author's transly].

In a joint study conducted by the University Clinic of Radiology, Graz, and the Medical University Clinic, Innsbruck, the results of computer tomography examinations of the abdomen and pelvis in 23 cases of tumours in children are discussed. In children, computer tomography resents special difficulties on account of the very poorly developed fatty layers between the organs and the increased incidence of movement artifacts. The importance of computer tomography for the diagnosis of abdominal and pelvic tumours is discussed.

Abdominal Neoplasms↗
PubMed1980

[Contrast amplification of the liver parenchyma in the computer tomogram by using intravenous and peroral biliary contrast media (author's transl)].

If intravenous, biliary contrast media are used, a slight albeit specific enhancement of contrast of the liver parenchyma occurs with the applied dosage, which can be utilised in individual cases, for example for identifying isodense lesions. Contrast amplification by the peroral cholegraphic agent under examination, is insufficient for use in computer tomography of the liver. The use of biliary contrast media usually enables very good visualisation of the extrahepatic bile ducts. Attention is drawn to the possibility of pharmakokinetic studies by means of computer tomography.

Administration, Oral↗
PubMed1980

[Tuberous sclerosis: first manifestation as cardiac arrhythmia in a newborn].

A newborn baby is found to have multifocal atrial tachycardia. Myoclonic seizures and depigmented nevi appear at the age of five months. The clinical diagnosis of tuberous sclerosis is confirmed by the result of cranial computerized tomography, which shows typical lesions. Though cardiac angiography fails to show an intracavitary tumor, multiple intramural rhabdomyomas of the myocardium are probably the cause of the persistent arrhythmia.

Arrhythmias, Cardiac↗
PubMed1980

[Endoscopic retrograde cholangio-pancreaticography (ERCP) and computer tomography in the diagnosis of chronic pancreatitis, pseudocysts and carcinoma of the pancreas--a comparison (author's transl)].

In 107 patients, endoscopic retrograde cholangiopancreaticography (ERCP) and computer tomography (CT) were performed at a short time interval. The combined use of ERCP and CT yielded a correct diagnosis in chronic pancreatitis in 92% of the patients; pseudocysts were diagnosed correctly in 100% of the cases, whereas the rate of accuracy in carcinomas was 94%. In chronic pancreatitis, ERCP usually gave clear and comprehensive information. CT proved a valuable additional examination method wherever the findings did not supply a clear answer. Both examination method were ideally complementary in pseudocysts, so that ERCP and CT were found to be appropriate in each case. In carcinoma, ERCP proved superior to primary diagnosis, whereas CT served to confirm the findings and to assess the volume occupied by the tumor.

Adult↗
PubMed1979

[The value of computer tomography in cerebrovascular accidents].

Computer-tomography investigations in 300 patients with cerebrovascular diseases are reported. The possibilities of computer-tomography for localization and follow-up of ischaemic attacks, intracerebral haematoma and subarachnoidal haemorrhages are described. Details of clinical and diagnostic importance of follow-up studies are presented together with examples of current pathological data.

Brain Ischemia↗