Publications by authors named "J Vanasek"
The role of postmastectomy radiotherapy and regional nodal irradiation after radical mastectomy is defined in high-risk patients with locally advanced tumors, positive margins, and unfavorable biology. The benefit of postmastectomy radiotherapy in intermediate-risk patients (T3N0 tumors) remains a matter of controversy. It has been demonstrated that radiotherapy after breast-conserving surgery lowers the locoregional recurrence rate compared with surgery alone and improves the overall survival rate.
View Article and Find Full Text PDFChronic lumbosacral radicular pain (CLRP) as a possible adverse consequence of lumbar spine surgery represents a serious medical challenge. Pulsed radiofrequency of dorsal root ganglion (PRF-DRG) treatment is known to be effective in alleviating CLRP. This retrospective study compares the efficacy of a single CT-guided PRF-DRG procedure in the treatment of unilateral CLRP between patients without (non-PSS) and with (PSS) previous lumbar spine surgery.
View Article and Find Full Text PDFArticle Synopsis
- - Modern radiotherapy techniques aim to minimize radiation exposure to healthy tissues, leading to fewer side effects and faster recovery times for patients.
- - Randomized studies show that increasing the radiation dose specifically to the tumor area during whole breast irradiation (WBI) can enhance treatment effectiveness, reducing the traditional treatment time from 5-7 weeks to just 3-4 weeks with hyperfractionated regimens.
- - Accelerated partial breast irradiation (APBI) allows for a shorter treatment timeline and less radiation to healthy tissue, using methods like intraoperative radiation, brachytherapy, or external beam radiotherapy, while still achieving acceptable cosmetic results, especially in patients undergoing immediate breast reconstruction.
To evaluate the accuracy, efficiency, complication rate, technical features, and relations among followed parameters of CT-guided percutaneous biopsies of the pelvic lesions. 140 biopsies in 136 patients for tumors, sizes 17-160 mm in largest diameter, were carried out in patients with probable tumorous pelvic process within ten years period. The patients were women in 77 cases and men in 59 cases, aged 21 to 87 years.
View Article and Find Full Text PDFIntroduction: The exact location of the original tumor should be known for a targeted increase in the dose to the tumor bed after breast cancer surgery. Therefore, at our site, we perform CT examinations of patients in the radiation position before breast cancer surgery.
Methods: Preoperative native CT scans were performed in the patients in the planning position for radiotherapy; these data were fused with standard planning CT for boost irradiation.