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31.
The term 'complete resection' is traditionally defined as a desired surgical procedure if a considerable survival benefit is anticipated in patients with NSCLC. From a surgeon's viewpoint, it is therefore of great importance in patient selection for thoracotomy. In this setting, one might assume that well-known definitions of Naruke and Mountain with different meanings would subsequently result in a number of conflicting influences. As a result, patient selection criteria for surgery, the role and reliability of invasive staging procedures and futile thoracotomy rates are unavoidably conducted by the definition preferred. Interpretation of the outcomes from the series with different attitudes may also be misleading. Thus, outset of the surgical management of NSCLC should be based on the definition and preferences associated with complete resection. To conclude, if we could depict a universally accepted definition of complete resection which could also easily be attributable to the existing guidelines; contribution of surgery would have been more clearly outlined among other treatment modalities. This will in turn, not only eliminate most of the confusion that a surgeon might have in his/her mind regarding the matter, but might also provide a more stronger evidence for the role of surgery in the long term. 相似文献
32.
Jacqueline Vuky John M. Corman Christopher Porter Semra Olgac Evan Auerbach Kathryn Dahl 《The oncologist》2013,18(6):687-688
Background.
Prostate cancer (PC) is the most commonly diagnosed noncutaneous malignancy in American men. PC, which exhibits a slow growth rate and multiple potential target epitopes, is an ideal candidate for immunotherapy. GVAX for prostate cancer is a cellular immunotherapy, composed of PC-3 cells (CG1940) and LNCaP cells (CG8711). Each of the components is a prostate adenocarcinoma cell line that has been genetically modified to secrete granulocyte-macrophage colony-stimulating factor. Hypothesizing that GVAX for prostate cancer could be effective in a neoadjuvant setting in patients with locally advanced disease, we initiated a phase II trial of neoadjuvant docetaxel and GVAX. For the trial, the clinical effects of GVAX were assessed in patients undergoing radical prostatectomy (RP).Methods.
Patients received docetaxel administered at a dose of 75 mg/m2 every 3 weeks for 4 cycles. GVAX was administered 2–3 days after chemotherapy preoperatively for four courses of immunotherapy. The first dose of GVAX was a prime immunotherapy of 5×108 cells. The subsequent boost immunotherapies consisted of 3×108 cells. After RP, patients received an additional six courses of immunotherapy. Pathologic complete response, toxicity, and clinical response were assessed. The primary endpoint of the trial was a pathologic state of pT0, which is defined as no evidence of cancer in the prostate.Results.
Six patients completed neoadjuvant docetaxel and GVAX therapy. No serious drug-related adverse events were observed. Median change in prostate-specific antigen (PSA) following neoadjuvant therapy was 1.47 ng/ml. One patient did not undergo RP due to the discovery of positive lymph nodes during exploration. Of the five patients completing RP, four had a downstaging of their Gleason score. Undetectable PSA was achieved in three patients at 2 months after RP and in two patients at 3 years after RP.Conclusions.
Neoadjuvant docetaxel/GVAX is safe and well tolerated in patients with high-risk locally advanced PC. No evidence of increased intraoperative hemorrhage or increased length of hospital stay postoperatively was noted. These results justify further study of neoadjuvant immunotherapy. 相似文献33.
Sirin Y Olgac V Dogru-Abbasoglu S Tapul L Aktas S Soley S 《International journal of medical sciences》2011,8(2):114-125
To assess potential effects of hyperbaric oxygen (HBOT) on artificial bone grafts, β - Tricalcium phosphate (β-TCP) and calcium phosphate coated bovine bone (CPCBB) substitutes were applied to standard bone defects in rat tibiae. The control defects were left empty. Half of the animals received 60 minutes of 2.4 atmosphere absolute (ATA) of HBOT. Rats were sacrificed at one, two and four weeks. Bone healing was assessed histologically and histomorphometrically using light microscopy. The periosteum over the bone defects was examined ultrastructurally. Cardiac blood was collected to determine the serum osteocalcin levels. The HBOT increased new bone formation in the unfilled controls and β-TCP groups and significantly decreased cartilage matrix and fibrous tissue formations in all groups. Active osteoblasts and highly organized collagen fibrils were prominent in the periosteum of β-TCP and control groups. Serum osteocalcin levels also increased with HBOT. The healing of defects filled with CPCBB was similar to the controls and it did not respond to HBOT. These findings suggested that the HBOT had beneficial effects on the healing of unfilled bone defects and those filled with β-TCP bone substitute but not with CPCBB, indicating a material-specific influence pattern of HBOT. 相似文献
34.
35.
Cerebrovascular disorders are increasingly recognized as important causes of mortality and morbidity in the pediatric population. Risk factors for stroke in childhood are different from those in adults. Human chorionic gonadotropin is a polypeptide hormone produced by the human placenta and is composed of an alpha-subunit and a beta-subunit. Pregnyl (human chorionic gonadotropin for injection) is a highly purified pyrogen-free preparation obtained from the urine of pregnant females. Ischemic cerebral infarction is seen in the young infertile male and female patients after gonadotropin treatment. The authors describe the case of a boy with right-sided hemiparesis following Pregnyl injection and discuss its possible pathogenetic mechanisms. 相似文献
36.
Xp11 translocation renal cell carcinoma in adults: expanded clinical, pathologic, and genetic spectrum 总被引:4,自引:0,他引:4
37.
38.
A 42-year-old woman who previously underwent two consecutive thoracotomies for a lower lobe mass in her right lung was referred to our clinic for further management. Both procedures were abandoned due to excessive bleeding. Computed tomographic angiography demonstrated an infra-diaphragmatic systemic arterial supply of the mass similar to pulmonary sequestration. However the lobe had a normal venous drainage to the left atrium. Then a right lower lobectomy was undertaken through a hemi-clamshell incision, and histopathology revealed an atypical carcinoid tumor. The patient was discharged home after a satisfactory postoperative period. She still remains disease free at 14 months follow-up. 相似文献
39.
Nur BG Kahramaner Z Duman O Dundar NO Sallakcı N Yavuzer U Haspolat S 《Pediatric neurology》2012,46(1):36-38
Febrile seizures comprise a common type of pediatric convulsion. Inflammation and genetics may be involved in their pathogenesis. Regarding the role of cytokines (especially interleukin-6) in febrile responses, we performed a case control study of interleukin-6 gene (−174, −572, and −597) single-nucleotide polymorphisms to learn if correlations existed between these particular polymorphisms and febrile seizures. We isolated the genomic DNA of 92 children with febrile seizures and 98 healthy control subjects. We genotyped individuals for their polymorphisms, using polymerase chain reaction-restriction fragment length polymorphism. In our study, the frequencies of −174 G alleles and of the −174 and −572 GG genotypes were observed to be significantly higher in patients than in control subjects. The −174 GG genotype frequency was significantly higher in children with a family history of febrile seizures. 相似文献