The aim of our analysis was to compare the cost-effectiveness of high-dose intensity-modulated radiation therapy (IMRT) and hypofractionated intensity-modulated radiation therapy (HF-IMRT) versus conventional dose three-dimensional radiation therapy (3DCRT) for the treatment of localised prostate cancer. A Markov model was constructed to calculate the incremental quality-adjusted life years and costs. Transition probabilities, adverse events and utilities were derived from relevant systematic reviews. Microcosting in a large university hospital was applied to calculate cost vectors. The expected mean lifetime cost of patients undergoing 3DCRT, IMRT and HF-IMRT were 7,160 euros, 6,831 euros and 6,019 euros respectively. The expected quality-adjusted life years (QALYs) were 5.753 for 3DCRT, 5.956 for IMRT and 5.957 for HF-IMRT. Compared to 3DCRT, both IMRT and HF-IMRT resulted in more health gains at a lower cost. It can be concluded that high-dose IMRT is not only cost-effective compared to the conventional dose 3DCRT but, when used with a hypofractionation scheme, it has great cost-saving potential for the public payer and may improve access to radiation therapy for patients.

MS-CRT is a good alternative to breast intensity-modulated radiation therapy (IMRT) and seems adequate for right-sided cancers, whereas left-sided cancers necessitate a longer follow-up of heart-related side effects before a final assessment.

Purpose: The aim of this study was to introduce the simultaneous integrated boost (SIB) technique to assess the safety of replacement of the brachytherapy (BT) boost for ineligible patients with cervical cancer receiving radiochemotherapy (RCT).Methods: Fourteen patients were enrolled between 2015 and 2018. SIB was delivered using RapidArc technique at doses of 2.4 Gy per fraction during pelvic irradiation with 50.4/1.8 Gy in seven patients (to a total dose of 67.2 Gy) with limited volume disease. In 7 patients with a more advanced disease stage (>5 cm tumor, parametric invasion both sides), parametric boost therapy was added to the pelvic radiotherapy to a total dose of the macroscopic tumor of 79.2 Gy. All patients received simultaneous cisplatin-based chemotherapy for 5 cycles with a dosage of 40 mg/m2. We examined acute toxicity (CTCAE v4.1) and quality of life (EORTC QLQ30 and CX24). The tumor regression rate was evaluated with RECIST 1.1 after the first 3- to 4-months follow-up Magnetic Resonance Imaging (MRI) scan. We calculated the percentage of tumor regression rate and the local control during the follow-up period and evaluated the survival data.Results: Our patient data are presented at a median follow-up time of 24.5 months. During the treatment period, no grade 3 to 4 toxicity was observed. During the follow-up period, no late-onset toxicity was observed. The tumor regression rate at the first MRI scan was 95.31% on average. Disease free survival (DFS) during the median follow-up of 24 months was 98.6%.Conclusion: In patients with cervical cancer, the SIB technique is amenable as part of definitive RCT. Dose escalation with the SIB technique can be safely administered to cervical cancer patients during definitive RCT if BT is not feasible. However, further randomized clinical studies are needed to validate the method, so routine use of it cannot be recommended yet.

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Background Craniospinal irradiation (CSI) of childhood tumors with the RapidArc technique is a new method of treatment. Our objective was to compare the acute hematological toxicity pattern during 3D conformal radiotherapy with the application of the novel technique. Methods Data from patients treated between 2007 and 2014 were collected, and seven patients were identified in both treatment groups. After establishing a general linear model, acute blood toxicity results were obtained using SPSS software. Furthermore, the exposure dose of the organs at risk was compared. Patients were followed for a minimum of 5 years, and progression-free survival and overall survival data were assessed. Results After assessment of the laboratory parameters in the two groups, it may be concluded that no significant differences were detected in terms of the mean dose exposures of the normal tissues or the acute hematological side effects during the IMRT/ARC and 3D conformal treatments. Laboratory parameters decreased significantly compared to the baseline values during the treatment weeks. Nevertheless, no significant differences were detected between the two groups. No remarkable differences were confirmed between the two groups regarding the five-year progression-free survival or overall survival, and no signs of serious organ toxicity due to irradiation were observed during the follow-up period in either of the groups. Conclusion The RapidArc technique can be used safely even in the treatment of childhood tumors, as the extent of the exposure dose in normal tissues and the amount of acute hematological side effects are not higher with this technique.

Az elmúlt évtizedekben a daganatgyógyítás fejlődésének és eredményességének jeleként a lokális terápiás modalitások szerepe az áttétes betegségek ellátása során felértékelődött. A szerzők tudomása szerint a hazánkban első eredményes, koponyán kívüli sugársebészeti beavatkozást ismertetik. Az 58 éves férfi gyomoradenocarcinoma miatt műtéten, kemoterápián és mellékveseáttétek miatt metastatectomián esett át. Az első műtét után 4 évvel a követési komputertomográfi ás vizsgálat kétgócú és inoperábilisnak véleményezett peritonealis áttétképződést mutatott, a májszél, illetve a bal vese alatt, 2 cm-es átmérőkkel. Defi nitív ellátásként, egy ülésben 12 Gy dózisú stereotaxiás hasi sugársebészeti beavatkozást végeztek, cone-beam komputertomográfi ás ellenőrzés mellett, dinamikus ívbesugárzást, illetve 2-2 ívet alkalmazva. A kezelés 25 percig tartott, sem akut, sem késői mellékhatást nem észleltek. A kezelés után 3, illetve 7 hónappal elvégzett kontroll-komputertomográfi a teljes tumorregressziót igazolt. A szerzők megállapítják, hogy megfelelő technológia és gyakorlottság birtokában, nem gyorsan növekvő oligometasztázisok esetében a koponyán kívü-li stereotaxiás sugársebészeti ellátás biztonságos és hatékony alternatívája lehet a műtéti beavatkozásnak. Orv. Hetil., 2015, 156(39), 1593-1599. Kulcsszavak: oligometasztázis, stereotaxiás hasi sugársebészet, képvezérelt sugárterápia, intenzitásmodulált dinamikus ívbesugárzás Stereotactic radiosurgery of abdominal cancer metastases Report on the fi rst successful extracranial radiosurgical intervention in HungaryDue to the development and increasing effectiveness of novel cancer therapies, the role of local treatments in metastatic diseases have been increasing in the last decades. The aim of the authors was to present the fi rst successful extracranial stereotactic radiosurgical intervention in Hungary. A 58-year-old male patient with gastric adenocarcinoma underwent surgery and adjuvant chemotherapy. Later, surgical removal of suprarenal gland metastases and fi rst line chemotherapy were carried out. Four years after the fi rst surgery a follow up computed tomographic scan revealed bifocal peritoneal metastases caudally from the edge of the liver and the left kidney with diameters of 2 cm in size. Defi nitive stereotactic body radiosurgery of 12 Gy single dose was performed using cone beam computed tomography image guidance and intensity modulated arc therapy with two pairs of arcs. The total duration of the procedure was only 25 min and early or late side effects were not observed. Follow up computed tomography scans performed

Background: Radiation therapy has undergone significant technical development in the past decade. However, the complex therapy of intermediate-risk patients with organ-confined prostate carcinoma still poses many questions. Our retrospective study investigated the impact of selected components of the treatment process including radiotherapy, hormone deprivation, risk classification, and patients’ response to therapy. Methods: The impact of delivered dose, planning accuracy, duration of hormone deprivation, risk classification, and the time to reach prostate-specific antigen (PSA) nadir state were analyzed among ninety-nine individuals afflicted with organ-confined disease. Progression was defined as a radiological or biochemical relapse within five years from radiotherapy treatment. Results: We found that 58.3% of the progressive population consisted of intermediate-risk patients. The progression rate in the intermediate group was higher (21.9%) than in the high-risk population (12.1%). Dividing the intermediate group, according to the International Society of Urological Pathology (ISUP) recommendations, resulted in the non-favorable subgroup having the highest rate of progression (33.3%) and depicting the lowest percentage of progression-free survival (66.7%). Conclusion: Extended pelvic irradiation on the regional lymph nodes may be necessary for the ISUP Grade 3 subgroup, similarly to the high-risk treatment. Therapy optimization regarding the intermediate-risk population based on the ISUP subgrouping suggestions is highly recommended in the treatment of organ-confined prostate cancer.

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