Norma G. Gutierrez

Progression of low-grade dysplasia to advanced neoplasia based on the location and morphology of dysplasia in ulcerative colitis patients with extensive colitis under colonoscopic surveillance

Udayakumar Navaneethan, Ramprasad Jegadeesan, Norma G. Gutierrez et al. · Journal of Crohn s and Colitis · 2013 · 80 citations · Full text

Medicine, Oncology, Pathology +12

Delay in performing ERCP and adverse events increase the 30-day readmission risk in patients with acute cholangitis

Udayakumar Navaneethan, Norma G. Gutierrez, Ramprasad Jegadeesan et al. · Gastrointestinal Endoscopy · 2013 · 64 citations

Medicine, Internal Medicine, Patient Safety +12

Natural history of low grade dysplasia in patients with primary sclerosing cholangitis and ulcerative colitis

Preethi G.K. Venkatesh, Ramprasad Jegadeesan, Norma G. Gutierrez et al. · Journal of Crohn s and Colitis · 2013 · 50 citations · Full text

Medicine, Oncology, Pathology +15

Volatile organic compounds in bile for early diagnosis of cholangiocarcinoma in patients with primary sclerosing cholangitis: a pilot study

Udayakumar Navaneethan, Mansour A. Parsi, Vennisvasanth Lourdusamy et al. · Gastrointestinal Endoscopy · 2014 · 44 citations · Full text

Medicine, Biochemistry, Chemistry +13

Volatile organic compounds in bile can diagnose malignant biliary strictures in the setting of pancreatic cancer: a preliminary observation

Udayakumar Navaneethan, Mansour A. Parsi, Norma G. Gutierrez et al. · Gastrointestinal Endoscopy · 2014 · 36 citations

Medicine, Chemistry, Oncology +12