For instance, hair loss, which is one of the major concerns for some patients, such as a young lady with BM of breast cancer, is a papillomatosis cancer definition frequently encountered problem with SRS than WBRT as a result of the smaller irradiated field size and focalized dose distribution Figure 2. All the aforementioned advantages of SRS are provided by utilization of multiple convergent narrow beams to deliver high dose focal irradiation in papillomatosis cancer definition single fraction by using papiloma tumor benigno cobalt sources, linear accelerators or cyclotrons 37, Similar with neurosurgery, SRS alone or in combination with WBRT has been exhibited to associate with prolonged overall survival, local control and also better neurologic status in these patients compared papillomatosis cancer definition WBRT alone 33, However, SRS differs from neurosurgery by offering a chance of ablative treatment to those patients who are not appropriate candidates for neurosurgery due to various reasons.
Albeit such papillomatosis cancer definition approach may be beneficial in a select group of patients, prerequisites for close papillomatosis cancer definition with monthly or bimonthly magnetic resonance imaging MRI and risk for unavoidable repeat SRS procedures for newly emerging BM, both increasing the total cost of overall treatment, should be carefully considered Moreover, contrasted with SRS and WBRT combination, the risk for a plausibility of inferior survival outcomes with SRS alone in patients with controlled primary papillomatosis cancer definition no extracranial disease should be kept in mind, as it has been accentuated previously by various authors 41, Although local- and distant brain control rates were reported to be better with the addition of WBRT, this distinction did not translate into a notable survival advantage in any study.
Furthermore, in the study by Chang et al. It is unfortunate to point out that the results of these RCTs ought to be interpreted with caution because of their insufficient design to explicitly concentrate on survival endpoints, such as significant imbalances between the study groups with regards to the prognostic factors and utilization of salvage WBRT in SRS alone cohorts 43, First meta-analysis was performed by Duan et al. In the second meta-analysis, Hasan et al. Thirdly, the meta-analysis by Soon et al.
In the fourth and most recent meta-analysis, by Sahgal et al.
Вот он, наш мир, -- весь, целиком, -- проговорил Олвин.
Напоминая о собственной уникальности, его огорчала мысль, что сколько бы он не ждал перед этими меняющимися видами, он никогда не встретит древнее эхо себя - Знаешь ли ты, где мы находимся.
Additionally omission of WBRT in this subgroup was not identified to relate with increased rates of distant brain relapses. In a recent systematic review of 14 studies incorporating BM patients, Gans et al.
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В двух описанных мною экспериментах доска одна и та .
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Но почему же они так и не возвратились.
Therefore, although the concept of TC-SRS is relatively new, with its acceptable toxicity rates the results appear to be encouraging for irradiation papillomatosis cancer definition a limited area with ablative doses of radiotherapy.
In a study by Pinkham et al. Verbal memory and fine motor functions were the commonest parameters to be impaired in this study Theoretically, restriction of the irradiated brain volume with local therapies like surgery and SRS may prove beneficial in preservation of neurocognitive functions without any scarification in tumor control rates.
Papillomatosis cancer definition results of some studies appear to support this idea 35others reported poorer neurocognitive outcomes with omission of WBRT.
In one such study, with the end goal of preserving neurocognitive functions with maximum BM papillomatosis cancer definition rates, Aoyoma et al. Because many of the traditionally argued WBRT toxicity data is derived from small-cell lung carcinoma patients treated with chemotherapy prior to prophylactic cranial irradiation, caution is advised when diagnosing WBRT toxicity.
Therefore, as the side effects evoked by cranial irradiation are largely similar, it is not astounding that the impacts were preferably ascribed to the radiation than to chemotherapy. This information is of foremost significance for radiation oncologists considering the way that almost all toxicities following therapeutic WBRT are almost constantly ascribed to cranial irradiation by the other oncologic disciplines.
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Deteriorations in neurocognitive functions may also be papillomatosis cancer definition present before the initiation of WBRT. This papillomatosis cancer definition has been addressed in two key studies by Meyers et al. In the second study by Komaki et al. The authors pointed out that roughly half of all eligible patients had neurocognitive shortages before the onset of cranial prophylaxis, and observed a somewhat noteworthy decay in executive function and language after one year, which turned inconsequential in later evaluations.
These papillomatosis cancer definition excellent studies strongly emphasize the paramount importance of implementation of neurocognitive function tests prior to WBRT in order to reflect the actual impact of therapeutic WBRT on neurocognitive domains.
Sinonimele și antonimele ductal în dicționarul de sinonime Engleză
Moreover, the negative neurocognitive impact of progressive BM may further be ameliorated or even improved by WBRT in some patients groups with resultant enhancement in executive functions and fine motor co-ordination as neurologic deterioration is reported to directly relate with disease progression in the brain 51, Management of this regretful complication of cancer involves neurosurgery, WBRT, SRS, chemotherapy, and targeted agents individually or as any combination of them, regarding the prognostic factors.
Curr Probl Papillomatosis cancer definition J Clin Oncol Cancer Oncologist Cancer Metastasis Rev J Cell Biochem Berk L: An overview of radiotherapy trials for the treatment of brain metastases. Oncology Williston Park ; discussion, Radiother Oncol Papillomatosis cancer definition PW, Kased N, Roberge D, et al: Summary report on the graded papillomatosis cancer definition assessment: an accurate and facile diagnosis-specific tool to estimate survival for patients papillomatosis cancer definition papillomatosis cancer definition metastases.
Abrahams JM, Torchia M, Putt M, et al: Risk factors affecting survival after brain metastases from non-small cell lung carcinoma: a follow-up study of 70 patients.
Cancerul este o maladie care, descoperita timpuriu, ofera un procent semnificativ de vindecari. Rata de mortalitate datorata cancerului de col uterin a scazut in ultimii ani in tarile dezvoltate, ca rezultat al depistarii precoce si a modernizarii mijloacelor de tratament. In tara noastra acest papillomatosis cancer definition are o incidenta scazuta, dar in multe cazuri este descoperit in faze avansate. In Romania acest cancer ocupa locul al doilea in randul neoplaziilor sexului feminin, dupa cancerul mamar. Infectia cu Human Papilloma Virus HPV este unul dintre factorii de risc implicati in aparitia cancerului de col uterin.
J Neurosurg Chin Clin Oncol BMC Cancer Strahlenther Onkol Rades D, Dziggel L, Haatanen T, et al: Scoring systems to estimate intracerebral control and survival rates of patients irradiated for brain metastases. Topkan E, Parlak C, Kotek A, papillomatosis cancer definition al: Impact of prophylactic cranial irradiation timing on brain relapse rates in patients with stage IIIB non-small-cell lung carcinoma treated with two different chemoradiotherapy regimens.
Coia LR: The role of radiation therapy in the treatment of brain metastases. Papillomavirus utero Res Biomater Artif Cells Immobilization Biotechnol Mehta MP, Rodrigus P, Terhaard CH, et al: Survival papillomatosis cancer definition neurologic outcomes in a randomized trial of motexafin gadolinium and whole-brain papillomatosis cancer definition therapy in brain metastases.
Scott C, Suh J, Stea B, et al: Improved survival, quality of life, and qualityadjusted survival in breast cancer patients treated with efaproxiral Efaproxyn plus whole-brain radiation therapy for brain metastases. Am J Clin Oncol Quantin X, Khial F, Reme-Saumon M, et al: Concomitant brain radiotherapy and vinorelbine-ifosfamide-cisplatin chemotherapy in brain metastases of non-small cell lung cancer.
Lung Cancer Mornex F, Thomas L, Mohr P, et al: A prospective randomized multicentre phase III trial of fotemustine plus whole brain irradiation versus fotemustine alone in cerebral metastases of malignant melanoma. Melanoma Res Ushio Y, Arita N, Hayakawa T, et al: Chemotherapy of brain metastases from lung carcinoma: a controlled randomized study. Neurosurgery Ann Oncol Antonadou D, Paraskevaidis M, Sarris G, et al: Phase II randomized trial of temozolomide and concurrent radiotherapy in patients with brain metastases.
Lancet Fabi A, Felici A, Metro G, et al: Brain metastases from solid tumors: disease outcome according to type of treatment and papillomatosis cancer definition resources of the treating center. J Exp Clin Cancer Res Histology, multiplicity, surgery, and papillomatosis cancer definition.
Chang EL, Wefel JS, Hess KR, et al: Neurocognition in patients with brain metastases treated with radiosurgery or radiosurgery plus whole-brain irradiation: a randomised controlled trial.
Lancet Oncol Shaw E, Scott C, Souhami L, et al: Single dose radiosurgical treatment of recurrent previously irradiated primary brain tumors and papillomatosis cancer definition metastases: final report of RTOG protocol Aoyama H, Shirato H, Tago M, et al: Stereotactic radiosurgery plus whole-brain radiation therapy vs stereotactic radiosurgery alone for treatment of brain metastases: a randomized controlled trial.
JAMA Kocher M, Soffietti R, Abacioglu U, et al: Adjuvant whole-brain radiotherapy versus observation after radiosurgery or surgical papillomatosis cancer definition of one to three cerebral metastases: results of the EORTC study.
Pirzkall A, Debus J, Lohr F, et al: Radiosurgery alone or in combination papillomatosis cancer definition whole-brain radiotherapy for brain metastases. Role of adjuvant radiation and prognostic variables hpv causes cancer papillomatosis cancer definition males patients.
Knisely JP: Focused attention on brain metastases.
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Sahgal A, Aoyama H, Kocher M, et al: Phase 3 trials of stereotactic radiosurgery with or without whole-brain radiation therapy for 1 to 4 brain metastases: individual patient data meta-analysis. Duan L, Zeng R, Yang KH, et al: Whole brain radiotherapy combined with stereotactic radiotherapy versus stereotactic radiotherapy alone for brain metastases: a meta-analysis. Asian Pac J Cancer Prev Pract Radiat Oncol Neurosurgery ; discussion Clin Oncol R Coll Radiol Vardy J, Tannock I: Cognitive function after chemotherapy in adults with papillomatosis cancer definition tumours.
Crit Rev Oncol Hematol J Natl Cancer Inst Wefel JS, Lenzi R, Theriault RL, et al: The cognitive sequelae of standard-dose adjuvant chemotherapy in women with breast carcinoma: results of a prospective, randomized, longitudinal trial. Meyers CA, Papillomatosis cancer definition JA, Bezjak A, et al: Neurocognitive function and progression papillomatosis cancer definition patients with brain metastases treated with whole-brain radiation and motexafin gadolinium: results of a randomized phase III trial.
Komaki R, Meyers CA, Shin DM, et al: Evaluation of cognitive function in patients with limited small cell lung cancer prior to and shortly papiloma nasal escamoso prophylactic cranial irradiation.
Regine WF, Huhn JL, Patchell RA, et al: Risk of symptomatic brain tumor recurrence detoxifiere organism acasa neurologic deficit after radiosurgery alone in patients with newly diagnosed brain metastases: results and implications.
N Engl J Med Kondziolka D, Patel A, Lunsford LD, et al: Stereotactic radiosurgery papillomatosis cancer definition whole brain radiotherapy versus radiotherapy alone for patients with multiple brain metastases.
Mintz AH, Kestle J, Rathbone MP, et al: A randomized trial to assess the efficacy of surgery in addition to papillomatosis cancer definition in patients with a single cerebral metastasis.
Ann Neurol Grigorescu3 1. This review focuses on the main diagnostic and treatment aspects concerning anal canal cancer.
- Gastric cancer intestinal and diffuse
И все же будет правильнее называть его нашим партнером, а не слугой.
Тут и там капризы ветра выдули в песке причудливые водовороты и овражки.
- DUCTAL - Definiția și sinonimele ductal în dicționarul Engleză
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Возвращение в Эрли заняло почти трое суток - отчасти из-за того, что сам Элвин по ряду причин не очень-то торопился.
Anal cancer incidence has been increasing in the last years, probably due to the rise in the spread of sexually transmitted diseases, such as HPV and HIV infections. Although many risk factors have been associated to anal cancer HPV, HIV infection, immunocompromised status, tobacco smokinganal cancer biology is only partly understood. Anal canal cancer should be distinguished from anal margin cancer, papillomatosis cancer definition is of better prognosis.
Anal cancer diagnosis is usually papillomatosis cancer definition, due to its resemblance to benign perianal pathology that justifies the need for a better screening.
Traducerea «ductal» în 25 de limbi
Anal canal carcinoma therapeutic management has witnessed a major shift in time from a radical surgical abdominoperineal resection to multimodal approach. Nowadays, the standard treatment of anal carcinoma is represented by radiochemotherapy that is an effective therapy although can associate an important toxicity.
Surgical treatment is reserved only to very small anal lesions and especially to residual disease or tumor recurrences after primary therapy, representing a salvage therapy abdominoperineal rectal amputation for these cases. Inguinal lymphadenectomy is only indicated for voluminous lymphadenopathy blocks and inguinal lymph node metastases appeared after radiochemotherapy. Cuvinte-cheie: cancer canal anal, factori de risc, diagnostic, tratament Background 1.
Incidence Anal canal cancer is papillomatosis cancer definition relatively rare tumor, representing approximately 1.
It is approximately 20 to 30 times rarer than colon cancer, but its annual incidence is increasing, reaching up to cases, with a female predominance 2. There is an impor- 20 tant geographic variation regarding its incidence, as well as histopathological type. The mainstay of the treatment is represented by chemo-radiotherapy, radical surgery being reserved to residual tumor or recurrences.