The application of hybrid equipments and fused techniques has increasing importance in the field of imaging diagnostics. The biggest advantage of these methods is the simultaneous use of several modalities which can give data about the morphological, functional as well as molecular changes of the different diseases at the same time. The facilities, advantages and the applicability of the SPECT/CT (single photon emission computer tomograph/computer tomograph) are summarized in this paper mainly in oncologic diseases, but also in other disorders.
View Article and Find Full Text PDFRecently, the assessment of the muscles using limb MRI and whole body MRI has become widely available and more frequent. In cases of muscular dystrophies it may help to select the optimal muscles for biopsy, because the severely atrophic and degenerated muscles are not suitable for histological tests. It is also known that the pattern of muscle involvement is characteristic for a certain neuromuscular disease, and clinically silent muscle damage can be visualized, as well.
View Article and Find Full Text PDFA pelvic phantom was developed for use in testing image-guided radiation therapy (IGRT) and adaptive applications in radiation therapy (ART) with simulating the anterior-posterior internal organ motions during prostate radiotherapy. Measurements could be done with an ionization chamber (IC) in the simulated prostate. The rectum was simulated by air-equivalent material (AEM).
View Article and Find Full Text PDFWhen treating pancreatic cancer using standard (ST) 3D conformal radiotherapy (3D-CRT) beam arrangements, the kidneys often receive a higher dose than their probable tolerance limit. Our aim was to elaborate a new planning method that--similarly to IMRT--effectively spares the kidneys without compromising the target coverage. Conformal kidneys sparing (CONKISS) 5-field, noncoplanar plans were compared with ST plans for 23 consecutive patients retrospectively.
View Article and Find Full Text PDFIntroduction/aims: Prostheses use for lower limb amputees is difficult, while the socket is hard, the prosthesis is heavy. Drawbacks of conventional prosthesis are mainly associated with the socket, therefore osseointegration technique is a promising solution, since it doesn't require a socket. Our aim was to introduce this technique in Hungary and extend indication for vascular patients.
View Article and Find Full Text PDFPurpose: Using three-dimensional conformal radiation therapy (3D-CRT) and multisegmented conformal radiation therapy (MS-CRT) for breast cancer treatment, the dose coverage of the planning target volume (PTV) and the radiation burden on the organs at risk (OARs) were evaluated.
Material And Methods: 3D-CRT and MS-CRT were planned for 436 unilateral breasts (217 left). All patients were treated with MS-CRT between 2005 and 2007.
Background: The diagnosis of analgesic nephropathy has improved significantly with modern imaging techniques. We reviewed a large portion of the Hungarian dialysis population to obtain additional insight into the problem.
Methods: Twenty-two participating dialysis units enrolled 1400 patients on renal replacement therapy between 1 January 1995 and 1 January 1998.