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Global survival trends for brain tumors, by histology: analysis of individual records for 556,237 adults diagnosed in 59 countries during 2000-2014 (CONCORD-3). Neuro Oncol 2023; 25:580-592. [PMID: 36355361 PMCID: PMC10013649 DOI: 10.1093/neuonc/noac217] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Survival is a key metric of the effectiveness of a health system in managing cancer. We set out to provide a comprehensive examination of worldwide variation and trends in survival from brain tumors in adults, by histology. METHODS We analyzed individual data for adults (15-99 years) diagnosed with a brain tumor (ICD-O-3 topography code C71) during 2000-2014, regardless of tumor behavior. Data underwent a 3-phase quality control as part of CONCORD-3. We estimated net survival for 11 histology groups, using the unbiased nonparametric Pohar Perme estimator. RESULTS The study included 556,237 adults. In 2010-2014, the global range in age-standardized 5-year net survival for the most common sub-types was broad: in the range 20%-38% for diffuse and anaplastic astrocytoma, from 4% to 17% for glioblastoma, and between 32% and 69% for oligodendroglioma. For patients with glioblastoma, the largest gains in survival occurred between 2000-2004 and 2005-2009. These improvements were more noticeable among adults diagnosed aged 40-70 years than among younger adults. CONCLUSIONS To the best of our knowledge, this study provides the largest account to date of global trends in population-based survival for brain tumors by histology in adults. We have highlighted remarkable gains in 5-year survival from glioblastoma since 2005, providing large-scale empirical evidence on the uptake of chemoradiation at population level. Worldwide, survival improvements have been extensive, but some countries still lag behind. Our findings may help clinicians involved in national and international tumor pathway boards to promote initiatives aimed at more extensive implementation of clinical guidelines.
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Off-clamp laparoscopic partial nephrectomy in a hybrid room after tumor embolization versus conventional partial nephrectomy: A propensity score matched pair analysis. Actas Urol Esp 2022; 46:577-583. [PMID: 35337767 DOI: 10.1016/j.acuroe.2022.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 09/05/2021] [Indexed: 12/13/2022]
Abstract
OBJECTIVE Off-clamp laparoscopic partial nephrectomy in a hybrid operating room after superselective arterial embolization (hLPN) is a promising minimally invasive approach. In this study, we compared the perioperative surgical outcomes of this innovative technique with the conventional standard of care laparoscopic partial nephrectomy (cLPN) technique. PATIENTS AND METHODS Overall, 86 and 127 patients treated with hLPN and cLPN, respectively, were included. These two techniques were compared in terms of surgical complications, estimated blood loss (EBL), operative time, length of stay (LOS), surgical margins, and Trifecta achievement rate (defined as warm ischemia duration <25 min, negative surgical margins and absence of complications). A propensity score based on age, gender, BMI, preoperative eGFR and tumor size was used for a 1:1 matching of patients of each group. After matching, 2 groups of 67 patients with similar characteristics were obtained. RESULTS Conversion rate to open surgery, complications and EBL were similar in both groups. Conversely, operative time, LOS and Trifecta rates favored hLPN. The multivariate analysis showed that hLPN had a 70% higher chance of Trifecta achievement than cLPN in all age groups and for all tumor size across the study population. CONCLUSION Compared to a conventional approach, off-clamp laparoscopic partial nephrectomy in a hybrid room after superselective arterial embolization showed satisfying immediate surgical outcomes and reached a higher rate of Trifecta achievement. Mid and long-term functional and oncological results are needed to establish this minimally invasive surgical alternative.
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Agricultural exposure and risk of soft tissue sarcomas and gastrointestinal stromal sarcoma in the
AGRIculture
and
CANcer
(
AGRICAN
) cohort. Int J Cancer 2022; 150:1792-1803. [DOI: 10.1002/ijc.33936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 12/22/2021] [Accepted: 01/04/2022] [Indexed: 11/10/2022]
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[Impact of partial nephrectomy in a hybrid operating room on the activity of kidney cancer surgery]. Prog Urol 2020; 30:288-295. [PMID: 32234422 DOI: 10.1016/j.purol.2020.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Revised: 02/01/2020] [Accepted: 02/13/2020] [Indexed: 11/16/2022]
Abstract
INTRODUCTION Partial nephrectomy (NP) after embolization of tumor vessels (NPESH) in a hybrid room combines embolization of tumor vessels and enucleation of the tumor under laparoscopy in the same operative time. The purpose of this study was to assess the impact of the use of NPESH in the management of patients treated with surgery for a localized kidney tumor. MATERIAL AND METHODS Using the uroCCR database, we included all consecutive patients operated in a university hospital for localized kidney tumor. From 2011 to May 2015, patients were treated by Standard Partial Nephrectomy (NPS) Laparoscopic or Open and from May 2015 to May 2019 by NPESH. We evaluated characteristics of patients, tumors, perioperative data and complications. These data were compared by Student and Khi2 tests. RESULTS 87 NPS were performed during Period 1 and 137 NPS were performed during period 2. The ASA score of patients undergoing NPESH was higher than NPS (P<0.0001). The tumor complexity and median tumor size were similar in the two groups (P=0.852 and P=0.48). The complication rate for NPS and NPESH was 55.2% and 33.6% (P=0.002). There were less severe complications in the NEPSH group (P=0.012). The median length of stay was 8 and 4 days for the NPS and NPESH groups (P<0.0001). Positive surgical margins were 2 (2.3%) and 6 (4.6%) for the NPS and NPESH group (P=0.713). DISCUSSION NPESH is an efficient technique compared to NPS. It seems to be an interesting alternative to limit renal ischemia, complication rate and length of stay for the management of localized kidney tumors.
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Évaluation de l’utilisation de la salle hybride sur l’activité de chirurgie en cancérologie rénale. Prog Urol 2019. [DOI: 10.1016/j.purol.2019.08.184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Increased risk of central nervous system tumours with carbamate insecticide use in the prospective cohort AGRICAN. Int J Epidemiol 2018; 48:512-526. [DOI: 10.1093/ije/dyy246] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/15/2018] [Indexed: 12/20/2022] Open
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P2.16-26 Lung Cancer Resection in Patients with Criteria for Lung Cancer Screening Provides Satisfactory Short Term Results. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Applications d’une méthode photométrique à l’étude des phénomenes de coagulation et de fibrinolyse. Thromb Haemost 2018. [DOI: 10.1055/s-0038-1655557] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
RésuméNous présentons les applications d’une méthode photométrique à l’étude des phénomènes de coagulation et de fibrinolyse in vitro. Les variations positives d’absorbance du plasma à 3500 Å sous l’effet de la thrombine sont une mesure indirecte de la diffraction et, en conséquence, un indice de la vitesse et du degré de polymérisation de la fibrine. Les phénomènes de fibrinolyse se traduisent par des déflections négatives. L’avantage d’une telle méthode est qu’elle rend compte de processus de polymérisation qui n’aboutissent pas nécessairement à la formation d’un gel et qui échappent dès lors aux techniques fondées sur les qualités mécaniques de la fibrine normale. Nos résultats suggèrent :a) Que, dans le milieu plasmatique, l’activité protéolytique de la plasmine est pratiquement conditionnée par l’apparition de son substrat préférentiel, la fibrine, bien que les inhibiteurs plasmatiques soient également distribués dans le système, avant comme après la polymérisation.b) Qu’en plus de leur interférence avec la polymérisation normale de la fibrine, les produits de dégradation du fibrinogène ont un effet antithrombinique réel.c) Qu’une mesure exacte et rapide du fibrinogène plasmatique est possible par la méthode décrite, ainsi qu’un diagnostic différentiel des causes d’une hypofibrinogénémie sévère (consommation vs protéolyse spontanée).d) Qu’au cours d’un traitement thrombolytique, la photométrie permet une évaluation rapide et répétée du taux d’antistreptokinases, d’antiplasmines, du plasminogène activable, et de l’apparition de produits de lyse, même dans des conditions où le sang examiné est incoagulable.
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Prevalence and distribution of HPV genotypes and cervical-associated lesions in sexually active young French women following HPV vaccine. J Gynecol Obstet Hum Reprod 2018; 47:525-531. [PMID: 29807205 DOI: 10.1016/j.jogoh.2018.05.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Revised: 05/21/2018] [Accepted: 05/23/2018] [Indexed: 01/22/2023]
Abstract
BACKGROUND Despite the availability of safe and effective HPV vaccines in France, more than 80% of girls remain unvaccinated. SETTING A regional university hospital referral center in France. OBJECTIVE To estimate the overall prevalence and distribution of HPV in vaccinated, sexually active young French women who were screened for cervical cancer by cytology and HPV testing. METHODS High-risk HPV (HR-HPV) prevalence, genotype-specific prevalence and extent of multiple infections were assessed in 125 cervical samples from females with available vaccine data using hc2 assay and INNO-LiPA assay. HPV status was analyzed in accordance with cytological data. RESULTS In our series, mean age was 23 years, overall prevalence of HR-HPV was 52% and was correlated with the lesion grade. The diversity of HPV genotypes was broad. Single HR-HPV infections were identified in 11%, 21% and 47% of women with NILM, ASC-US/-H and LSIL respectively. Multiple infections with HR-HPV were detected in 28% of the specimens. Only 24.5% of women with NILM presented infections with 2 genotypes or more, vs 28% of women with ASC-US/-H and 35% of women with LSIL. The overall prevalence of genotypes covered by the quadrivalent vaccine was low (5.9%); with 4.2%, 0%, 0.8% and 0.8% for HPV 16, HPV 18, HPV 6 and HPV 11 respectively. CONCLUSION Among HPV-vaccinated young women, HR-HPV are detected at a high rate, and an association with the grade of cytological abnormalities was observed. However, HPV 16 and 18, both targeted by the vaccines, are remarkably rare among young French women since program implementation.
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Étude la vascularisation rénale et des tumeurs rénales à partir des données d’artériographies tridimensionnelles préopératoires. Prog Urol 2017. [DOI: 10.1016/j.purol.2017.07.187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Néphrectomie partielle cœlioscopique après embolisation hypersélective et néphrectomie partielle robot-assistée : comparaison des résultats oncologiques et fonctionnels à court terme. Prog Urol 2017. [DOI: 10.1016/j.purol.2017.07.074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Anti-Mi2 dermatomyositis revisited: pure DM phenotype with muscle fiber necrosis and high risk of malignancy. Neuromuscul Disord 2017. [DOI: 10.1016/j.nmd.2017.06.218] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Abstract
Hybrid operating rooms (HOR) are rooms that mix interventional radiology and surgical equipments. They are usually used in heart, vascular, orthopedic and neurosurgery, and make it possible to consider new minimally invasive procedures in urology. Thanks to these, we developed a new partial nephrectomy technique without renal pedicle clamping and without ischemia. Renal cancer is now diagnosed at localized stage in most of the cases, and its treatment is mostly based on nephron sparing surgery. However, the hemorrhagic character of this intervention requires a renal pedicle clamping whose long-term consequences on renal function are discussed. It also exposes to a classical complication: the renal artery pseudoaneurysm. Therefore, we developed a new laparoscopic partial nephrectomy technique without clamping or approach of renal pedicle, by a selective embolization of tumor vessels through an endovascular route, immediately before the surgery. HOR allowed the combination of the two procedures in the same time and space unit. Tumor staining by Bleu Patenté also aids the surgeon in its spotting. HOR allow a new approach in localized renal cancer management, and should be used in many other urologic surgeries in years to come. They represent a technological advancement by combining interventional radiologists and surgeons' expertise.
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Comment avons-nous traité de façon mini-invasive un angiomyolipome rénal de 13cm compliqué d’une hémorragie intratumorale en utilisant une salle hybride ? Prog Urol 2016; 26:1157-1158. [DOI: 10.1016/j.purol.2016.09.067] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Revised: 09/17/2016] [Accepted: 09/26/2016] [Indexed: 10/20/2022]
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P-289 Hepatic arterial infusion chemotherapy for unresectable liver metastases of colorectal cancer: a multicenter retrospective study. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw199.279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Néphrectomie partielle en salle hybride avec embolisation peropératoire hypersélective des artères tumorales. Une nouvelle approche de l’ischémie zéro. Prog Urol 2015; 25:860. [DOI: 10.1016/j.purol.2015.08.291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Radiological treatment of HCC: Interventional radiology at the heart of management. Diagn Interv Imaging 2015; 96:625-36. [DOI: 10.1016/j.diii.2015.04.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Accepted: 04/02/2015] [Indexed: 02/07/2023]
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185 SECONDARY ACUTE PROMYELOCYTIC LEUKEMIA AFTER CHRONIC MYELOMONOCYTIC LEUKEMIA: AN UNCOMMON CASE REPORT OF CLONAL EVOLUTION. Leuk Res 2015. [DOI: 10.1016/s0145-2126(15)30186-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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The influence of geographical access to health care and material deprivation on colorectal cancer survival: evidence from France and England. Health Place 2014; 30:36-44. [PMID: 25194994 DOI: 10.1016/j.healthplace.2014.08.002] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2014] [Revised: 07/30/2014] [Accepted: 08/01/2014] [Indexed: 02/08/2023]
Abstract
This article investigates the influence of distance to health care and material deprivation on cancer survival for patients diagnosed with a colorectal cancer between 1997 and 2004 in France and England. This population-based study included all cases of colorectal cancer diagnosed between 1997 and 2004 in 3 cancer registries in France and 1 cancer registry in England (N=40,613). After adjustment for material deprivation, travel times in England were no longer significantly associated with survival. In France patients living between 20 and 90min from the nearest cancer unit tended to have a poorer survival, although this was not statistically significant. In England, the better prognosis observed for remote patients can be explained by associations with material deprivation; distance to health services alone did not affect survival whilst material deprivation level had a major influence, with lower survival for patients living in deprived areas. Increases in travel times to health services in France were associated with poorer survival rates. The pattern of this influence seems to follow an inverse U distribution, i.e. maximal for average travel times.
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Impact of Organised Screening Program By Fecal Occult Blood Test on the Diagnosis Rate of Colorectal Adenomas: a Population-Based Study. Ann Oncol 2014. [DOI: 10.1093/annonc/mdu438.53] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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IgM peak independently predicts treatment-free survival in chronic lymphocytic leukemia and correlates with accumulation of adverse oncogenetic events. Leukemia 2014; 29:337-45. [PMID: 24943833 DOI: 10.1038/leu.2014.198] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2013] [Revised: 03/25/2014] [Accepted: 03/28/2014] [Indexed: 01/24/2023]
Abstract
We examined the significance of IgM peaks in chronic lymphocytic leukemia (CLL), including its association with newly reported MYD88, BIRC3, NOTCH1 and SF3B1 mutations. A total of 27, 25, 41 and 57 patients with monoclonal IgM or IgG peaks (IgM and IgG groups), hypogammaglobulinemia (Hypo-γ group) and normal immunoglobulin serum levels (normal-γ group) were, respectively, included. IgM peaks were mainly associated with Binet stage C and the del(17p). Biased usage of IGHV3-48 was shared by both IgM and IgG groups. IGHV3-74 and IGHV4-39 gene rearrangements were specific for IgM and IgG peaks, respectively. SF3B1, NOTCH1, MYD88 and BIRC3 mutation frequencies were 12%, 4%, 2% and 2%, respectively, being over-represented in IgM, IgG and Hypo-γ groups for SF3B1, and being equal between normal-γ and IgM groups for MYD88. Overall, 76%, 87%, 49% and 42% of cases from IgM, IgG, Hypo-γ and normal-γ groups had at least one intermediate or poor prognosis genetic marker, respectively. By multivariate analysis, IgM peaks were associated with shorter treatment-free survival independently from any other univariate poor prognosis biological parameters, including IgG peaks, Hypo-γ, IGHV status, SF3B1 mutations, cytogenetics and lymphocytosis. Therefore, as with IgG peaks, IgM peaks aggravated the natural course of CLL, with increased accumulation of adverse genetic events.
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Abdominal binders after laparotomy: review of the literature and French survey of policies. Hernia 2014; 18:501-6. [DOI: 10.1007/s10029-014-1264-2] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2014] [Accepted: 04/28/2014] [Indexed: 11/29/2022]
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Inferred cosmic-ray spectrum from Fermi large area telescope γ-ray observations of Earth's limb. PHYSICAL REVIEW LETTERS 2014; 112:151103. [PMID: 24785023 DOI: 10.1103/physrevlett.112.151103] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2013] [Indexed: 06/03/2023]
Abstract
Recent accurate measurements of cosmic-ray (CR) species by ATIC-2, CREAM, and PAMELA reveal an unexpected hardening in the proton and He spectra above a few hundred GeV, a gradual softening of the spectra just below a few hundred GeV, and a harder spectrum of He compared to that of protons. These newly discovered features may offer a clue to the origin of high-energy CRs. We use the Fermi Large Area Telescope observations of the γ-ray emission from Earth's limb for an indirect measurement of the local spectrum of CR protons in the energy range ∼90 GeV-6 TeV (derived from a photon energy range 15 GeV-1 TeV). Our analysis shows that single power law and broken power law spectra fit the data equally well and yield a proton spectrum with index 2.68±0.04 and 2.61±0.08 above ∼200 GeV, respectively.
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Abstract
Pelvic venous insufficiency is a frequent pathology in multiparous women. Diagnosis can be made by chance or suspected in the case of symptoms suggesting pelvic congestion syndrome or atypical lower limb varicosity fed by pelvic leaks. After ultrasound confirmation, dynamic venography is the reference pretherapeutic imaging technique, searching for pelvic varicosity and possible leaks to the lower limbs. MRI is less invasive and allows a three-dimensional study of the varicosity and, with dynamic angiography, it can assess ovarian reflux. It also helps to plan or even sometimes avoid diagnostic venography.
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Patterns of recurrence of obstructing colon cancers after surgery for cure: a population-based study. Colorectal Dis 2013; 15:1100-6. [PMID: 23634749 DOI: 10.1111/codi.12268] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2012] [Accepted: 02/02/2013] [Indexed: 12/16/2022]
Abstract
AIM Little is known about patterns of recurrence in obstructing colon cancer (OCC) at a population level. The aim of this study was to determine the risk of recurrence following potentially curative surgery in OCC compared with that in uncomplicated colon cancer (CC). METHOD Data were obtained from the population-based digestive cancer registry of Burgundy (France). Local and distant failure rates were calculated using actuarial methods. A multivariate analysis was performed using a Cox model. RESULTS Obstructing colon cancer represented 8.5% of all colon cancers resected with curative intent (n = 3375). The 5-year cumulative local recurrence rate was 14.2% for OCC and 7.6% for nonobstructing CC (P = 0.003). In the multivariate analysis, obstruction was an independent risk factor for local recurrence [hazard ratio 1.53 (1.01-2.34), P = 0.047]. The risk of local recurrence increased with advanced stage and age at diagnosis. The 5-year cumulative rate for distant metastases was also higher in OCC than in nonobstructing CC (36.1 vs 23.1%; P < 0.001). The relative risk of distant metastasis was borderline significant in the multivariate analysis [hazard ratio 1.25 (0.99-1.59), P = 0.057]. Stage at diagnosis, macroscopic type of growth, period of diagnosis and sex were also significant prognostic factors. Age and subsite were not significant in the multivariate analysis. CONCLUSION It is possible to conduct special surveys in population-based registries to determine the recurrence rate of CC. Recurrence remains a substantial problem and is more frequent in OCC than in nonobstructing CC. Efforts must be made to diagnose CC earlier. Mass screening is a promising approach.
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Improvement in survival of metastatic colorectal cancer: are the benefits of clinical trials reproduced in population-based studies? Eur J Cancer 2013; 49:2919-25. [PMID: 23642328 DOI: 10.1016/j.ejca.2013.04.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2012] [Revised: 03/29/2013] [Accepted: 04/01/2013] [Indexed: 11/16/2022]
Abstract
AIM OF THE STUDY To describe trends in survival of non-resectable metastatic colorectal cancer (MCRC) over a 34-year period in a French population-based registry taking into account major advances in medical therapy. PATIENTS AND METHODS 3804 patients with non-resectable metastatic colorectal cancer diagnosed between 1976 and 2009 were included. Three periods (1976-96, 1997-2004 and 2005-09) were considered. RESULTS The proportion of patients receiving chemotherapy dramatically increased from 19% to 57% between the first two periods, then increased steadily thereafter reaching 59% during the last period (p<0.001). Median relative survival increased from 5.9 months during the 1976-96 period to 10.2 months during the 1997-2004 period but, despite the availability of targeted therapies, remained at 9.5 months during the 2005-09 period. During the last study period, less than 10% of elderly patients received targeted therapies compared to more than 40% for younger patients. Their median relative survival was 5.0 months compared to 15.6 months in younger patients. CONCLUSION There was an improvement in survival in relation with the increased use of more effective medical treatment. However, at a population-based level, patients are not all treated equally and most of them, especially the elderly, do not benefit from the most up-to-date treatment options.
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Abstract
Little is known about patients with malignant digestive neuroendocrine tumours (MD-NETs). Although their incidence is increasing, MD-NETs remain a rare cancer, representing 1% of digestive cancers. Most MD-NETs are well-differentiated. MD-NET poorly differentiated carcinomas account for 20% of cases on average. Anatomical localisation of MD-NETs varied according to geographic region. Stage at diagnosis and prognosis for patients with MD-NETs in the general population are considerably worse than often reported from small hospital case series. Prognosis varies with tumour differentiation, anatomic site and histological subtype. There are significant differences in survival from MD-NETs among European countries, independent of other prognostic factors. Early diagnosis is difficult; new therapeutic options appear to represent the best approach to improving prognosis.
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The Imprint of the Extragalactic Background Light in the Gamma-Ray Spectra of Blazars. Science 2012; 338:1190-2. [DOI: 10.1126/science.1227160] [Citation(s) in RCA: 184] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Ultrasonic assessment of arterial wall elasticity: the palpography technique revisited. Comput Methods Biomech Biomed Engin 2012; 15 Suppl 1:36-7. [DOI: 10.1080/10255842.2012.713671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Planned caesarean in the interventional radiology cath lab to enable immediate uterine artery embolization for the conservative treatment of placenta accreta. Clin Radiol 2012; 67:1089-94. [PMID: 22622352 DOI: 10.1016/j.crad.2012.04.001] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2011] [Revised: 04/03/2012] [Accepted: 04/11/2012] [Indexed: 10/28/2022]
Abstract
AIM To evaluate the feasibility and efficacy of routine uterine artery embolization (UAE) immediately after planned caesareans performed in the cath lab for conservative treatment of placenta accreta. MATERIALS AND METHODS A retrospective study included all patients who had a planned caesarean in the cath lab for conservative treatment of placenta accreta at Angers University Hospital, which is a tertiary care centre, from April 2001 to September 2010. Twelve patients underwent UAE immediately after caesarean with the placenta left partially or totally in situ. The success rate of embolization, blood loss, and complications were reported. RESULTS Diagnosis of abnormal placentation was confirmed by caesarean findings in 14 cases. Four patients had a percreta form with bladder invasion. In seven cases blood loss was insignificant and UAE was prophylactic; no secondary haemorrhage was observed in this group. Postpartum haemorrhage occurred in five cases: control of immediate postpartum bleeding by embolization was successful in three and failed in two leading to hysterectomy. In one case uterine necrosis occurred 6 weeks after embolization, requiring a hysterectomy. Delayed complications resulted in hysterectomy and partial bladder resection 3 months after delivery for one of the patients with placenta percreta. CONCLUSION UAE immediately after a caesarean performed in the cath lab is a feasible therapeutic option for conservative treatment of placenta accreta. Advantages include reducing stress and risks associated with transferring women with potentially unstable haemodynamics.
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Measurement of separate cosmic-ray electron and positron spectra with the fermi large area telescope. PHYSICAL REVIEW LETTERS 2012; 108:011103. [PMID: 22304252 DOI: 10.1103/physrevlett.108.011103] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2011] [Revised: 11/10/2011] [Indexed: 05/31/2023]
Abstract
We measured separate cosmic-ray electron and positron spectra with the Fermi Large Area Telescope. Because the instrument does not have an onboard magnet, we distinguish the two species by exploiting Earth's shadow, which is offset in opposite directions for opposite charges due to Earth's magnetic field. We estimate and subtract the cosmic-ray proton background using two different methods that produce consistent results. We report the electron-only spectrum, the positron-only spectrum, and the positron fraction between 20 and 200 GeV. We confirm that the fraction rises with energy in the 20-100 GeV range. The three new spectral points between 100 and 200 GeV are consistent with a fraction that is continuing to rise with energy.
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Constraints on dark matter models from a Fermi LAT search for high-energy cosmic-ray electrons from the Sun. Int J Clin Exp Med 2011. [DOI: 10.1103/physrevd.84.032007] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Aspects et évaluation post-thérapeutiques des lésions du foie après traitement non chirurgical. ACTA ACUST UNITED AC 2011; 92:632-58. [DOI: 10.1016/j.jradio.2011.04.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2010] [Revised: 01/04/2011] [Accepted: 04/15/2011] [Indexed: 12/31/2022]
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36
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[Embolization of a ruptured postpartum ovarian artery aneurysm]. JOURNAL DE RADIOLOGIE 2010; 91:1304-1306. [PMID: 21242916 DOI: 10.1016/s0221-0363(10)70198-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
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37
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Abstract
Novae are thermonuclear explosions on a white dwarf surface fueled by mass accreted from a companion star. Current physical models posit that shocked expanding gas from the nova shell can produce x-ray emission, but emission at higher energies has not been widely expected. Here, we report the Fermi Large Area Telescope detection of variable gamma-ray emission (0.1 to 10 billion electron volts) from the recently detected optical nova of the symbiotic star V407 Cygni. We propose that the material of the nova shell interacts with the dense ambient medium of the red giant primary and that particles can be accelerated effectively to produce pi(0) decay gamma-rays from proton-proton interactions. Emission involving inverse Compton scattering of the red giant radiation is also considered and is not ruled out.
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Abstract
The aim of this study was to report on malignant digestive endocrine tumours (MDET) prognosis in several European countries. We analysed survival data from 19 cancer registries in 12 European countries on 3,715 MDET diagnosed between 1985 and 1994. The overall 5-year survival rate was 47.5%. It was 58.1% for differentiated MDET and 8.1% for small-cell MDET (p < 0.001), 55.9% for patients under 65 and 37.0% for older patients. Survival rates for small intestinal and colorectal were higher than for the other sites. The 5-year relative survival rates were 60.3% in Northern Europe, 53.6% in Western Continental Europe, 42.5% in the UK, 37.6% in Eastern Europe (p < 0.001). Among well-differentiated pancreatic tumours, 5-year relative survival was 55.6% for insulinoma, 48.4% for gastrinoma, 33.4% for glucagonoma, 28.8% for carcinoid tumours and 49.9% for non-functioning tumours. The relative excess risk of death was significantly lower in Western Continental Europe and Northern Europe and significantly higher in Easter European compared to the UK. MDET differentiation, site, geographic area, age and sex, were independent prognostic factors. Overall, in Europe approximately half of the patients with MDET survive 5 years after the initial diagnosis. Prognosis varies with tumour differentiation, anatomic site and histological type. There are significant differences in survival from MDET among European countries, independently of other prognostic factors.
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Fermi large area telescope search for photon lines from 30 to 200 GeV and dark matter implications. PHYSICAL REVIEW LETTERS 2010; 104:091302. [PMID: 20366979 DOI: 10.1103/physrevlett.104.091302] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2009] [Indexed: 05/29/2023]
Abstract
Dark matter (DM) particle annihilation or decay can produce monochromatic gamma rays readily distinguishable from astrophysical sources. gamma-ray line limits from 30 to 200 GeV obtained from 11 months of Fermi Large Area Space Telescope data from 20-300 GeV are presented using a selection based on requirements for a gamma-ray line analysis, and integrated over most of the sky. We obtain gamma-ray line flux upper limits in the range 0.6-4.5x10{-9} cm{-2} s{-1}, and give corresponding DM annihilation cross-section and decay lifetime limits. Theoretical implications are briefly discussed.
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Effect of adjuvant treatments on quality of life in elderly patients with colorectal cancer: A population-based study. J Clin Oncol 2008. [DOI: 10.1200/jco.2008.26.15_suppl.4051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Abstract
BACKGROUND The influence of socioeconomic environment on cancer survival has been established in numerous studies in the EU and the US, prognosis being constantly poorer for the most underprivileged patients. AIM To investigate the influence of distance to care centre and deprivation on colon cancer survival, using a multilevel Cox model and taking into account cancer stage at diagnosis and treatment modalities. METHODS The study population comprised all cases of colon cancer diagnosed between 1997 and 2000 in two French areas covered by specialized cancer registries (n = 2066). RESULTS Road distance to the nearest reference care centre was associated with poorer prognosis even after adjustment for stage at diagnosis (P for trend = 0.01). Subgroups analysis showed that this association was maximal for patients with advanced cancer [RR = 1.27 (1.04-1.51); P for trend = 0.015] for whom access to chemotherapy varying according to distance explained the major part of geographic inequalities in survival. CONCLUSIONS The major effect of distance from reference care centre on survival suggests that current regional health planning does not guarantee equity in cancer management. Improvement in access to adjuvant therapy, especially for patients with advanced cancers, seems crucial for reducing geographic disparities in colon cancer survival.
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Where do the feral oilseed rape populations come from? A large-scale study of their possible origin in a farmland area. J Appl Ecol 2008. [DOI: 10.1111/j.1365-2664.2007.01358.x] [Citation(s) in RCA: 70] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Incidence of gastrointestinal stromal tumors (GISTs) in France: Results of the PROGIST survey conducted among pathologists. J Clin Oncol 2007. [DOI: 10.1200/jco.2007.25.18_suppl.10047] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
10047 Background: GISTs are the most common mesenchymal tumors of the gastrointestinal tract but data on the annual incidence of this tumor is scarce due to previous lack of well-defined pathologic criteria. The aim of this study was to investigate the incidence of GISTs in France and describe the distribution according to age, sex, circumstances of discovery, localization and risk categories. Methods: This prospective epidemiologic study was performed among pathologists who were asked to declare all the cases of GIST over a one year period. All pathology centers (330 centers) in France were proposed to participate and asked to report exhaustively the cases diagnosed from 1 December 2004 to 30 November 2005. Results: 591 cases of GISTs were reported, 535 new cases and 56 cases of relapse. However, some large centers were not able to participate. So, the annual estimated incidence was 12 cases/million inhabitants in France. The main characteristics of the new cases of GIST were as follows: mean age 65 (± 13.2) (range: 16–93) years, 48.6% men and 51.4% women, circumstances of discovery: fortuitous 163 (30.5%), symptomatic 249 (46.5%), unknown 123 (23%). The primary tumor locations were: stomach 341 (63.7 %), small intestine 115 (21.5%), mesentery 35 (6.5%), colon/rectum 17 (3.2%), esophagus 4 (0.7%), unknown 23 (4.3%). 95.3% of GISTs were cKIT (CD117) + and 3.7 % were cKIT -. According to the Fletcher consensus criteria, based on tumor size and mitotic rate, among the 490 localized GISTs 14.7% were considered to be at very low prognostic risk, 25.5% at low-risk, 23.1 % at intermediate risk and 23.1 % at high-risk. For 13.6 % data were missing. Conclusions: This study is providing for the first time an estimation of the annual incidence of GISTs and a description of the characteristics of these tumors in France based on pathology registration. The true incidence may be slightly higher as some large centers were not able to reported their cases. These results are comparable to what has been reported in recent studies in other European countries. No significant financial relationships to disclose.
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Clinical, molecular, and genotype-phenotype correlation studies from 25 cases of oral-facial-digital syndrome type 1: a French and Belgian collaborative study. J Med Genet 2006; 43:54-61. [PMID: 16397067 PMCID: PMC2564504 DOI: 10.1136/jmg.2004.027672] [Citation(s) in RCA: 114] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Oral-facial-digital syndrome type 1 (OFD1) is characterised by an X linked dominant mode of inheritance with lethality in males. Clinical features include facial dysmorphism with oral, tooth, and distal abnormalities, polycystic kidney disease, and central nervous system malformations. Large interfamilial and intrafamilial clinical variability has been widely reported, and 18 distinct mutations have been previously reported within OFD1. A French and Belgian collaborative study collected 25 cases from 16 families. OFD1 was analysed using direct sequencing and phenotype-genotype correlation was performed using chi2 test. X inactivation studies were performed on blood lymphocytes. In 11 families, 11 novel mutations, including nine frameshift, one nonsense, and one missense mutation were identified, which spanned nine different exons. A combination of our results with previously reported cases showed that the majority of mutations (65.5%) was located in exons 3, 8, 9, 13, and 16. There was phenotype-genotype correlation between (a) polycystic kidney disease and splice mutations; (b) mental retardation and mutations located in exons 3, 8, 9, 13, and 16; and (c) tooth abnormalities and mutations located in coiled coil domains. Comparing the phenotype of the families with a pathogenic mutation to families with absence of OFD1 mutation, polycystic kidneys and short stature were significantly more frequent in the group with no OFD1 mutation, whereas lingual hamartomas were significantly more frequent in the group with OFD1 mutation. Finally, an X inactivation study showed non-random X inactivation in a third of the samples. Differential X inactivation between mothers and daughters in two families with high intrafamilial variability was of particular interest. Slight phenotype-genotype correlations were established, and X inactivation study showed that skewed X inactivation could be partially involved in the pathogenesis of intrafamilial clinical variability.
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Survival of cancer patients in France: a population-based study from The Association of the French Cancer Registries (FRANCIM). Eur J Cancer 2006; 43:149-60. [PMID: 17084622 DOI: 10.1016/j.ejca.2006.07.021] [Citation(s) in RCA: 117] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2006] [Revised: 07/26/2006] [Accepted: 07/27/2006] [Indexed: 10/23/2022]
Abstract
We present the main results of the first population-based cancers survival study gathering all French registry data. Survival data on 205,562 cancer cases diagnosed between 01/01/1989 and 31/12/1997 were analysed. Relative survival was estimated using an excess rate model. The evolution of the excess mortality rate over the follow-up period was graphed. The analysis emphasised the effect of age at diagnosis and its variation with time after diagnosis. For breast and prostate cancers, the age-standardised five-year relative survivals were 84% and 77%, respectively. The corresponding results in men and women were 56% versus 58% for colorectal cancer and 12% versus 16% for lung cancer. For some cancer sites, the excess mortality rate decreased to low values by five years after diagnosis. For most cancer sites, age at diagnosis was a negative prognostic factor but this effect was often limited to the first year after diagnosis.
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Socioeconomic and geographic determinants of survival of patients with digestive cancer in France. Br J Cancer 2006; 95:944-9. [PMID: 16969351 PMCID: PMC2360549 DOI: 10.1038/sj.bjc.6603335] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2006] [Revised: 07/26/2006] [Accepted: 07/26/2006] [Indexed: 11/09/2022] Open
Abstract
Using a multilevel Cox model, the association between socioeconomic and geographical aggregate variables and survival was investigated in 81 268 patients with digestive tract cancer diagnosed in the years 1980-1997 and registered in 12 registries in the French Network of Cancer Registries. This association differed according to cancer site: it was clear for colon (relative risk (RR)=1.10 (1.04-1.16), 1.10 (1.04-1.16) and 1.14 (1.05-1.23), respectively, for distances to nearest reference cancer care centre between 10 and 30, 30 and 50 and more than 90 km, in comparison with distance of less than 10 km; P-trend=0.003) and rectal cancer (RR=1.09 (1.03-1.15), RR=1.08 (1.02-1.14) and RR=1.12 (1.05-1.19), respectively, for distances between 10 and 30 km, 30 and 50 km and 50 and 70 km, P-trend=0.024) (n=28 010 and n=18 080, respectively) but was not significant for gall bladder and biliary tract cancer (n=2893) or small intestine cancer (n=1038). Even though the influence of socioeconomic status on prognosis is modest compared to clinical prognostic factors such as histology or stage at diagnosis, socioeconomic deprivation and distance to nearest cancer centre need to be considered as potential survival predictors in digestive tract cancer.
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Incidence and patterns of recurrence after resection for cure of colonic cancer in a well defined population. Br J Surg 2006; 93:1115-22. [PMID: 16804870 DOI: 10.1002/bjs.5349] [Citation(s) in RCA: 219] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND The aim of this study was to determine the incidence and patterns of failure following potentially curative surgery of colonic cancer. METHODS Data were obtained from the cancer registry of the Côte-d'Or (France). Data on 2657 patients who had resection for cure of colonic cancer between 1976 and 2000 were analysed. Local and distant failure rates were calculated using the actuarial method and multivariable analysis was performed using a Cox model. RESULTS The 5-year cumulative rate was 12.8 percent for local recurrence and 25.6 percent for distant metastases. Five-year cumulative local recurrence rates were 4.9 percent for stage I, 11.0 percent for stage II and 23.5 percent for stage III tumours (P<0.001). The corresponding rates for distant metastases were 6.4, 21.4 and 48.0 percent (P<0.001). The 5-year cumulative rates for distant metastases were 31.7 percent for the period 1976-1980 and 21.1 percent for 1996-2000, and the local recurrence rates were 17.6 and 9.0 percent respectively. The decreases in rates of local recurrence and distant metastases were significant in multivariable analysis. Cancer extension and presenting features were related to patterns of failure. Tumour location was significantly associated with risk of local recurrence, whereas age and gross features were associated with risk of distant metastasis. CONCLUSION Recurrence following resection of colonic cancer remains a substantial problem. Follow-up is of particular importance in the 3 years after surgery.
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Management and prognosis of esophageal cancers: Has progress been made? Eur J Cancer 2006; 42:228-33. [PMID: 16337786 DOI: 10.1016/j.ejca.2005.08.038] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2005] [Revised: 08/24/2005] [Accepted: 08/30/2005] [Indexed: 11/19/2022]
Abstract
The aim of this study was to investigate time trends in treatment and prognosis of esophageal cancer in a well-defined French population. Data was obtained from the Burgundy Cancer Registry (France) and three time periods were defined: 1976-90, 1991-96 and 1997-2002. A logistic regression was used to identify factors associated with an R0 resection. A multivariate survival analysis was performed using a Cox model. From 1976 to 2002, 2267 patients were included. The R0 resection rate slightly increased from 20.9% to 25.8% (P=0.019) then remained stable. Operative mortality decreased from 11.7% to 6.7% (NS). Age and subsite significantly influenced the rate of resection for cure whereas period had no effect. Chemotherapy alone was seldom used and radiotherapy alone dramatically dropped over time. Chemoradiation used as adjuvant treatment increased from 16.3% (1976-90) to 30.6% (1997-02) (P<0.001) and as sole treatment from 16.0% to 48.5% (P<0.001). The 3-year survival rates were respectively 10.1% and 9.7% (NS). Age and stage at diagnosis influenced the prognosis of esophageal cancer whereas time period and histology had no influence. This study claims that esophageal cancer remains a serious cancer problem and no improvement has been seen in the study population in France in its management over time.
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Abstract
BACKGROUND Advances have occurred in the management of digestive tract cancers, but it is not known how much they have benefited the elderly. AIMS To determine trends in treatment, stage at diagnosis and prognosis of digestive tract cancers among patients aged > or =80 years in two well-defined French populations. DESIGN Time trends were studied in three age classes and in 5 four-year time intervals. A multivariate relative survival analysis was performed to estimate the independent effect of both age and period on prognosis. RESULTS Five-year relative survival rates were 1.9% for oesophageal cancer, 12% for stomach cancer, 41% for colon cancer and 37% for rectal cancer. The survival rates improved between the first and the fifth period for all cancer sites except for oesophageal cancer. This improvement remained significant after adjustment for age, sex, site and treatment. It was associated with an increase in the proportion of patients who underwent curative resection. Very few patients received adjuvant chemotherapy. The use of adjuvant radiotherapy for rectal and oesophageal cancers did not significantly increase over time. CONCLUSIONS Except for oesophageal cancers, substantial advances in the care of digestive tract cancers in the elderly have been achieved. Surgery should not be restricted on the basis of age alone. Further improvements can be made in particular to enhance adjuvant therapy whenever possible.
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