fa گزارش یک مورد توده‌ی شکمی ناشی از تریکوبزوار در یک دختر چهارده ساله مقاله پژوهشی Original Research Article <p>Gastric bezoars results from the accumulation of foreign ingested materials in the form of masses or concretions. Bezoars are rare and being found in less than 0.5 percent of patients undergoing upper gastrointestinal endoscopies. Bezoars are classified according to their composition. The major types of bezoars are phytobezoars, trichobezoars and pharmacobezoars. Trichobezoars are typically seen in the women in their 20s. Patients with bezoar remain asymptomatic for many years and develop symptoms insidiously. Common complaints include abdominal pain, nausea, vomiting, early satiety, anorexia and weight loss. Bezoars have rarely been associated with other gastrointestinal complications such as gastric outlet obstruction (GOO), intestinal obstruction, gastrointestinal bleeding, gastrointestinal perforation, necrotizing pancreatitis, obstructive jaundice, hypochromic anemia, B12 deficiency and abdominal mass. In our case thrichobezoare manifested with an abdominal mass and hypochromic anemia. Key word: Abdominal mass, Trichobezoare, Hypochromic anemia</p> Key word: Abdominal mass, Trichobezoare, Hypochromic anemia 101 105 http://journal.zums.ac.ir/browse.php?a_code=A-10-4-473&slc_lang=fa&sid=1 Morteza Nazarian مرتضی نظریان Morteza.Nazarian@gmail.com 5200319475328460060613 5200319475328460060613 Yes Dept. of Internal Medicine, Valiasr Hospital, Zanjan University of Medical Sciences, Zanjan, Iran Jamshid Vafaeemanesh جمشید وفایی منش 5200319475328460060614 5200319475328460060614 No Dept. of Internal Medicine, Valiasr Hospital, Zanjan University of Medical Sciences, Zanjan, Iran Felour Fakor فلور فکور 5200319475328460060615 5200319475328460060615 No Dept. of Surgery, Valiasr Hospital, Zanjan University of Medical Sciences, Zanjan, Iran