6 results on '"Sontag, Stephen J."'
Search Results
2. Barrett's esophagus: treatments of adenocarcinomas II.
- Author
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Twaddell, William S., Wu, Peter C., Verhage, Roy J.J., Feith, Marcus, Ilson, David H., Schuhmacher, Christoph P., Luketich, James D., Brücher, Björn, Vallböhmer, Daniel, Hofstetter, Wayne L., Krasna, Mark Jonathan, Kandioler, Daniela, Schneider, Paul M., Wijnhoven, Bas P.L., and Sontag, Stephen J.
- Subjects
ADENOCARCINOMA ,CANCER treatment ,BARRETT'S esophagus ,DYSPLASIA ,SENTINEL lymph nodes ,ESOPHAGECTOMY ,POSITRON emission tomography ,CANCER chemotherapy ,CELL proliferation ,TREATMENT of esophageal cancer ,DIAGNOSIS ,SURGERY - Abstract
The following topics are explored in this collection of commentaries on treatments of adenocarcinomas related to Barrett's esophagus: the importance of intraoperative frozen sections of the margins for the detection of high dysplasia; the preferable way for sentinel node dissection; the current role of robotic surgery and of video-endoscopic approach; the value of the Siewert's classification of adenocarcinomas; the indications of two-step esophagectomy; the evaluation of pathological complete response; the role of PET scan in staging and response assessment; the role of p53 in the selection of adenocarcinomas patients; chemotherapy regimens for adenocarcinomas; the use of monoclonal antibodies in the control of cell proliferation; he attempt to define a stage-specific strategy, and the possible indications of selective therapy; and changes in mortality rates from esophageal cancer. [ABSTRACT FROM AUTHOR]
- Published
- 2011
- Full Text
- View/download PDF
3. ▪Five-Year Colon Surveillance After Screening Colonoscopy.
- Author
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Lieberman, David A., Weiss, David G., Harford, William V., Ahnen, Dennis J., Provenzale, Dawn, Sontag, Stephen J., Schnell, Thomas G., Chejfec, Gregorio, Campbell, Donald R., Kidao, Jayashri, Bond, John H., Nelson, Douglas B., Triadafilopoulos, George, Ramirez, Francisco C., Collins, Judith F., Johnston, Tiina K., McQuaid, Kenneth R., Garewal, Harinder, Sampliner, Richard E., and Esquivel, Romeo
- Subjects
CANCER patients ,ENDOSCOPY ,DIAGNOSIS ,AMNIOSCOPY - Abstract
Background & Aims: Outcomes of colon surveillance after colorectal cancer screening with colonoscopy are uncertain. We conducted a prospective study to measure incidence of advanced neoplasia in patients within 5.5 years of screening colonoscopy. Methods: Three thousand one hundred twenty-one asymptomatic subjects, age 50 to 75 years, had screening colonoscopy between 1994 and 1997 in the Department of Veterans Affairs. One thousand one hundred seventy-one subjects with neoplasia and 501 neoplasia-free controls were assigned to colonoscopic surveillance over 5 years. Cohorts were defined by baseline findings. Relative risks for advanced neoplasia within 5.5 years were calculated. Advanced neoplasia was defined as tubular adenoma greater than ≥10 mm, adenoma with villous histology, adenoma with high-grade dysplasia, or invasive cancer. Results: Eight hundred ninety-five (76.4%) patients with neoplasia and 298 subjects (59.5%) without neoplasia at baseline had colonoscopy within 5.5 years; 2.4% of patients with no neoplasia had interval advanced neoplasia. The relative risk in patients with baseline neoplasia was 1.92 (95% CI: 0.83–4.42) with 1 or 2 tubular adenomas <10 mm, 5.01 (95% CI: 2.10–11.96) with 3 or more tubular adenomas <10 mm, 6.40 (95% CI: 2.74–14.94) with tubular adenoma ≥10 mm, 6.05 (95% CI: 2.48–14.71) for villous adenoma, and 6.87 (95% CI: 2.61–18.07) for adenoma with high-grade dysplasia. Conclusions: There is a strong association between results of baseline screening colonoscopy and rate of serious incident lesions during 5.5 years of surveillance. Patients with 1 or 2 tubular adenomas less than 10 mm represent a low-risk group compared with other patients with colon neoplasia. [Copyright &y& Elsevier]
- Published
- 2007
- Full Text
- View/download PDF
4. CON: Surgery for Barrett's with Flat HGD—No!
- Author
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Sontag, Stephen J.
- Subjects
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ENDOSCOPY , *DIAGNOSIS , *DYSPLASIA , *QUALITY of life , *MEDICAL care , *DECISION making in clinical medicine - Abstract
The article focuses on the legitimacy of the use of endoscopy to screen for dysplasia. It has been argued that, if such screening can lead to early detection of disease and improved quality of life then it should be taken as success. Such screening can also be considered worthful if it cause no harm.
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- 2006
- Full Text
- View/download PDF
5. Comparing Lansoprazole and Omeprazole in Onset of Heartburn Relief: Results of a Randomized, Controlled Trial in Erosive Esophagitis Patients.
- Author
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Richter, Joel E., Kahrilas, Peter J., Sontag, Stephen J., Kovacs, Thomas O. G., Bidan Huang, and Pencyla, Jennifer L.
- Subjects
HEARTBURN ,OMEPRAZOLE ,GASTROESOPHAGEAL reflux ,CLINICAL trials ,DIAGNOSIS - Abstract
OBJECTIVE: This randomized, double-blind, multicenter study was conducted to confirm a previous finding that lansoprazole relieves heartburn faster than omeprazole in patients with erosive esophagitis. METHODS: A total of 3510 patients with erosive esophagitis and at least one episode of moderate to very severe daytime and/or nighttime heartburn during the 3 days immediately before the screening visit were randomized to lansoprazole 30 mg once daily or omeprazole 20 mg once daily for 8 wk. Patients recorded the presence and severity of daytime and nighttime heartburn in daily diaries. On treatment days 1-4. patients were telephoned to confirm the completion of their daily diary. The primary efficacy parameters were the percentage of heartburn-free days and heartburn-free nights, as well as the average severity of daytime and nighttime heartburn. RESULTS: During treatment day 1 and all evaluation time points including the entire 8-wk treatment period, significantly (p < 0.05) higher percentages of patients treated with lansoprazole than those treated with omeprazole did not experience a single episode of heartburn. Onset of heartburn relief was more rapid in lansoprazole-treated versus omeprazole-treated patients: on day 1.33% versus 25% of lansoprazole- versus omeprazole-treated patients were heartburn-free. The percentages of heartburn-free days and heartburn-free nights were also significantly (p < 0.01) greater for patients treated with lansoprazole at all evaluation time points. Heartburn severity was significantly less among those treated with lansoprazole compared with omeprazole. Both treatments were safe and well tolerated. CONCLUSIONS: Over 8 wk. lansoprazole 30 mg once daily relieved heartburn symptoms faster and more effectively than omeprazole 20 mg once daily in patients with erosive esophogitis. [ABSTRACT FROM AUTHOR]
- Published
- 2001
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6. Asthma and Gastroesophageal Reflux.
- Author
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Harding, Susan M. and Sontag, Stephen J.
- Subjects
GASTROESOPHAGEAL reflux ,ESOPHAGUS diseases ,ASTHMATICS ,DIAGNOSIS ,SYMPTOMS ,CLINICAL medicine - Abstract
Presents a review of data concerning the prevalence of gastroesophageal reflux (GER) in asthmatic patients. Symptoms of the disease; Mechanisms of bronchoconstriction; Diagnosis of GER-related or GER-induced asthma.
- Published
- 2000
- Full Text
- View/download PDF
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