Journal ArticleAnn Surg · June 1, 2022
OBJECTIVE: To design and establish a prospective biospecimen repository that integrates multi-omics assays with clinical data to study mechanisms of controlled injury and healing. BACKGROUND: Elective surgery is an opportunity to understand both the system ...
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Journal ArticleJ Gastrointest Surg · November 2019
OBJECTIVES: Rural patients experience disparities in cancer care compared to urban patients. We hypothesized that rural patients with colon cancer who traveled to high-volume centers for treatment have similar survival compared to urban patients who also t ...
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Journal ArticleInt J Radiat Oncol Biol Phys · March 1, 2019
PURPOSE: Standard therapy for locally advanced rectal cancer includes neoadjuvant chemoradiation and surgery. Complete response (CR) rates after chemoradiation can be as high as 29%, suggesting that nonoperative management (NOM) may be reasonable with appr ...
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Journal ArticleCancer · April 15, 2017
BACKGROUND: Short-course radiotherapy (SC-RT) and long-course chemoradiotherapy (LC-CRT) are accepted neoadjuvant treatments of rectal cancer. In the current study, the authors surveyed US radiation oncologists to assess practice patterns and attitudes reg ...
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Journal ArticleDis Colon Rectum · December 2015
BACKGROUND: HIV status may affect outcomes after definitive chemoradiotherapy for anal cancer. OBJECTIVE: Here, we report a large series in the highly active antiretroviral therapy era comparing outcomes between HIV-positive and HIV-negative patients with ...
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Journal ArticleColorectal Dis · October 2015
AIM: Many patients having anterior resection for rectal cancer suffer from severe long-term bowel dysfunction, known as low anterior resection syndrome (LARS). The LARS score was developed in Denmark, and Swedish, Spanish and German versions have been vali ...
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Journal ArticleFrontiers in Oncology · January 1, 2015
Objective: Approximately 10-40% of rectal patients have a complete response (CR) to neoadjuvant chemoradiation (CRT), and these patients have improved survival. Thus, non-operative management ("watch-and-wait" approach) may be an option for select patients ...
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Journal ArticleClinical Colorectal Cancer · January 1, 2013
Background: Small studies have demonstrated that patients who have both colorectal and renal cell carcinoma may be at increased risk for the development of additional malignancies. A possible genetic basis has been suggested. Our study describes the clinic ...
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Journal ArticleHPB (Oxford) · September 2012
BACKGROUND: A pancreaticoduodenectomy (PD) offers the only chance of a cure for pancreatic cancer and can be performed with low mortality and morbidity. However, little is known about outcomes of a PD in octogenarians. METHODS: Differences in two groups of ...
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Journal ArticleJ Surg Oncol · January 2012
BACKGROUND: Excess use of intravenous fluid can increase post-operative complications. We examined the influence of intra-operative crystalloid (IOC) administration on complications following pancreaticodudenectomy (PD) for pancreatic adenocarcinoma. METHO ...
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Journal ArticleSurg Oncol Clin N Am · October 2010
Colorectal cancer (CRC) is the second most common cause of cancer-related death in the United States. CRC, however, is potentially preventable, and several strategies may be employed to decrease the incidence of and mortality from CRC. Understanding of ind ...
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Journal ArticleWorld J Surg Oncol · December 8, 2009
BACKGROUND: MLH1 is one of six known genes responsible for DNA mismatch repair (MMR), whose inactivation leads to HNPCC. It is important to develop genotype-phenotype correlations for HNPCC, as is being done for other hereditary cancer syndromes, in order ...
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Journal ArticleAnn Surg · April 2007
OBJECTIVE: This study summarizes our initial experience with prospective, single-amplicon (mutation-specific) A636P testing in Ashkenazi Jewish patients at risk for Hereditary Nonpolyposis Colorectal Cancer (HNPCC). SUMMARY BACKGROUND DATA: We previously d ...
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Journal ArticleAnn Surg · January 2007
OBJECTIVE: The aims of this study were to use a comprehensive whole-mount pathologic analysis to characterize microscopic patterns of residual disease, as well as circumferential and distal resection margins, in rectal cancer treated with preoperative CMT; ...
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Journal ArticleDis Colon Rectum · November 2005
Familial adenomatous polyposis, caused by mutations in the adenomatous polyposis coli gene located at chromosome 5q21, is an autosomal dominant syndrome characterized by polyposis of the colon and rectum and nearly 100 percent progression to colorectal can ...
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Journal ArticleJ Clin Oncol · May 20, 2005
PURPOSE: Clinical assessment of rectal cancer response to preoperative combined-modality therapy (CMT) using digital rectal examination (DRE) has been proposed as a means of assessing efficacy of therapy. However, because the accuracy of this approach has ...
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Journal ArticleAnn Surg Oncol · November 2004
BACKGROUND: Compared with surgery alone, preoperative radiotherapy and 5-fluorouracil-based chemotherapy (combined-modality therapy; CMT) improves outcomes in patients with locally advanced rectal cancer. Although numerous studies have focused on identifyi ...
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Journal ArticleDis Colon Rectum · October 2004
PURPOSE: This study was designed to identify preoperative and intraoperative features of locally recurrent colorectal cancer that predict R0 resection in patients scheduled for attempted complete resection followed by intraoperative radiation therapy. METH ...
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Journal ArticleJ Am Coll Surg · July 2004
BACKGROUND: We have previously demonstrated that fluorodeoxyglucose-positron emission tomography (FDG-PET) can assess extent of pathologic response of primary rectal cancer to preoperative chemoradiation. Our goal was to determine the prognostic significan ...
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Journal ArticleDis Colon Rectum · March 2004
INTRODUCTION: Recent data suggest a favorable prognosis for rectal cancer patients with a pathologic complete response to preoperative combined modality therapy. Prolongation of the interval between preoperative combined modality therapy and surgery (RT-su ...
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Journal ArticleAnn Surg Oncol · February 2004
BACKGROUND: In order to evaluate the impact of preoperative radiation and chemotherapy (combined modality therapy, or CMT) on primary rectal cancer and mesorectal lymph nodes (MLNs), middle and lower third rectal cancers were resected with total mesorectal ...
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Journal ArticleAm J Surg Pathol · February 2004
Preoperative radiation (RT) and chemotherapy improve outcome in patients with locally advanced rectal adenocarcinoma and, therefore, have been used increasingly in patient management. The histopathologic alterations in postirradiated rectal adenocarcinoma ...
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Journal ArticleInt J Colorectal Dis · November 2003
BACKGROUND AND AIMS: Although the standard of care for T3 and/or N1-2 rectal cancers includes adjuvant chemoradiation, it is unclear whether T3 N0 patients with limited microscopic perirectal fat invasion warrant further therapy. Our aim was to determine t ...
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Journal ArticleJ Am Coll Surg · July 2003
BACKGROUND: Although effective at detecting locally recurrent colorectal cancer, the accuracy of fluorine-18 fluorodeoxyglucose positron emission tomography (FDG-PET) for detecting rectal cancer recurrence in an irradiated pelvis has not been systematicall ...
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Journal ArticleAm Surg · July 2003
Despite the routine use of adjuvant chemoradiation for curatively resected stage II and III rectal cancer a significant percentage of patients ultimately fail locally and/or distally; this underscores the need for continued improvement in the efficacy of c ...
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Journal ArticleAnn Surg Oncol · 2003
BACKGROUND: Preoperative combined-modality therapy (CMT) for rectal cancer allows a sphincter-sparing procedure in some individuals who would otherwise require an abdominoperineal resection. To further define the subset of rectal cancer patients suitable f ...
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Journal ArticleSurg Clin North Am · December 2002
A common theme in most anal neoplasms appears to be a delay in diagnosis due to confusion with more common, benign conditions. Thus, the clinician must maintain a high index of suspicion when evaluating lesions of the anal canal and margin. The use of prim ...
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Journal ArticleClinics in Colon and Rectal Surgery · November 1, 2002
Anal adenocarcinoma is a rare tumor, comprising only 3 to 19% of all tumors arising in the anal canal. The site of origin of anal adenocarcinoma is controversial, but likely candidates include the anal glands and chronic fistula-in-ano. Signs and symptoms ...
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Journal ArticleSurg Clin North Am · October 2002
Local procedures for carefully selected distal rectal cancer offer significant advantages such as sphincter preservation and avoidance of radical surgery. However, since preoperative selection criteria including current imaging modalities are unable to def ...
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Journal ArticleDis Colon Rectum · January 2002
PURPOSE: Familial adenomatous polyposis is a well-described, autosomal dominant, inherited syndrome characterized by diffuse polyposis of the colon and rectum as well as various upper gastrointestinal and extraintestinal manifestations. A subset of patient ...
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Journal ArticleClinics in Colon and Rectal Surgery · January 1, 2002
Despite the routine use of adjuvant chemoradiation for Stages II-III curatively resected rectal cancer, a significant percentage of patients ultimately fail locally and/or distally. Recognition of the importance of lateral, or circumferential, margins of r ...
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