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Article
Nephrocalcinosis in radiographs, computed tomography, sonography and histology
In 12 patients with nephrocalcinosis, radiographs were compared with computed tomography, sonography and histology. Computed tomography detects nephrocalcinosis at a very early stage of the disease, gives a be...
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Chapter and Conference Paper
MRI Tissue Characterization and Segmentation of Human Brain Tissues Using a Prolog-Based Expert System
Two basic approaches to tissue characterization by magnetic resonance imaging (MRI) were investigated in the Institute of Radiology and Pathophysiology of the German Cancer Research Center. The first involves ...
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Article
Late bone marrow changes in Hodgkin's disease patients: a characterization with proton chemical shift imaging
Our aim was to measure, by quantitative chemical shift imaging (CSI), the late therapy-induced changes in bone marrow (BM) of Hodgkin's disease (HD) patients. Fifteen HD patients treated with radiotherapy alon...
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Article
MR Angiography: clinical applications in thoracic surgery
MR angiography (MRA) is a promising completion of MR imaging in the preoperative assessment of pulmonary and mediastinal tumours. Scan acquisition was done by sequential FLASH 2D angiograms (TR = 30 ms, TE = 1...
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Article
Breast cancer: assessment of vascularity by colour Doppler
We examined 37 patients with proven breast cancer using colour-coded Doppler sonography. Feeding vessels as well as vascular structures in the centre and the periphery of the tumour could be detected in the ma...
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Article
Regional lymph nodes of liver and spleen: topographic evaluation based on CT examinations of Thorotrast patients
The formerly used contrast medium Thorotrast is stored in liver (60%), spleen (30%) and their regional lymph nodes. CT scans of 22 Thorotrast patients were reviewed regarding the evaluation of the abdominal ly...
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Article
A 3D T1-weighted gradient-echo sequence for routine use in 3D radiosurgical treatment planning of brain metastases: first clinical results
The authors report on a 3D sequence for MRI of the brain and its application in radiosurgical treatment planning of 35 brain metastases. The measuring sequence, called magnetization — prepared rapid gradient e...
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Article
Therapeutischer Ultraschall in der Tumortherapie Grundlagen, Anwendungen und neue Entwicklungen
Unser Interesse gilt der Wechselwirkung von hochenergetischen Ultraschallwellen mit biologischen Geweben im Hinblick auf die onkologische Therapie. In dieser Arbeit werden die physikalischen und biologischen A...
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Article
Cui bono? Cost-benefit analysis in diagnostic ultrasonography
Trotz geringer Kosten der einzelnen Untersuchung ist das Gesamtaufkommen für die Sonographie mit 1,4 Mrd. DM 1993 außerordentlich hoch, zuzüglich der Kosten für die Abklärung unklarer Befunde. Di...
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Article
Imaging of abdominal nodal spread in malignant disease
This is a review of the role of imaging procedures for the assessment of abdominal and pelvic lymph nodes. The diagnosis of malignant lymphatic spread is rarely the sole purpose of imaging, because it is usual...
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Article
Screening mit bildgebenden Verfahren - Herausforderung für die Radiologen
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Article
PET-Studien mit C-11-Äthanol bei der intratumoralen Therapie von hepatozellulären Karzinomen
Die Positronenemissionstomographie (PET) ermöglicht als nicht-invasive funktionelle Methode die Untersuchung von Perfusion, Stoffwechsel sowie Therapeutikawirkung bei soliden Tumoren und wurde deshalb zur Anal...
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Article
Positron emission tomography (PET) for diagnosis and therapy management of malignant lymphomas
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Article
Invasives Zervixkarzinom (pT2b-pT4a) Wertigkeit der konventionellen und pharmakokinetischen Magnetresonanztomographie (MRT) im Vergleich zum Großflächenschnitt und dem histopathologischen Befund
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Article
Funktionelle MR-Urographie bei Patienten mit Nierentransplantaten
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Article
Morphologische MR-Bildgebung mit T1-gewichteten Sequenzen zur radiotherapeutischen Zielvolumendefinition von intrakraniellen Tumoren Vergleich von FLASH-, Turbo-FLASH- und SE-Sequenzen
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Article
Design necessities for future teleradiology systems – conclusions from the Medicus-2 field test
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Article
Assessment of hemodynamic changes in patients with renal artery stenosis by means of the cine MR phase-contrast technique
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Article
Functional neuroimaging in the assessment of CNS neoplasms
Assessment of CNS neoplasms has focused traditionally on morphological analysis. Recent developments in MR sequence design now enable functional assessments. T1-weighted, as well as T2*-weighted, dynamic, gadoli...
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Article
Angiogenesis of cancer of the cervix. Contrast-enhanced dynamic MRT, histological quantification of capillary density and lymph system infiltration