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. 2019 May 17;11(5):e4686. doi: 10.7759/cureus.4686

Table 4. Articles included in the final analysis.

1st Author Year Country Journal Article Data Title N
Melchreit 1984 USA N Engl J Med 310:1748-9 ‘Colonic crunch’ sign in sunflower-seed bezoar 1
Cloonan 1988 USA Ann Emerg Med 17:873-4 Rectal bezoar from sunflower seeds 1
Roberge 1988 USA Ann Emerg Med 17:131-3 Popcorn Primary Colonic Phytobezoar 1
Dent 1989 USA Am J Dis Child 143:643-4 Sunflower seed bezoar presenting as diarrhea 1
Meeroff 1989 USA Am J Gastroenterol 84:650-2 Gastric lupinoma: a new variety of phytobezoar 1
Shah 1990 USA Pediatr Emerg Care 6:127-8 Polyethylene glycol-electrolyte solution for rectal sunflower seed bezoar 1
Philips 1991 USA Ann Emerg Med 20:171-2 Sunflower Seed Syndrome: A prickly proctological problem 1
Tsin 1994 Israel Harefuah 127:227-8 Intestinal obstruction due to lupin phytobezoar in a child 1
Purcell 1995 USA South Med J 88:87-8 Sunflower seed bezoar leading to fecal impaction 2
Efrati 1997 Israel J Pediatr Gastroenterol Nutr 25:214-6 Phytobezoar-induced ileal and colonic obstruction in childhood 3
Tsou 1997 USA Pediatrics 99:896-7 Colonic sunflower seed bezoar 2
Burstein 2000 Israel Israel Med Assoc J 2:129-31 Small Bowel Obstruction and Covered Perforation in Childhood Caused by Bizarre Bezoars and Foreign Bodies 1
Moons 2000 Netherlands Ned Tijdschr Geneeskd 144:1878-8 Severe obstipation due to eating unshelled sunflower seeds 2
Lowry 2001 USA Gastrointest Endosc 53:388-9 Sunflower seed rectal bezoar in an adult 1
Pitiakoudis 2003 Greece Acta Chir Iugosl 50:131-3 Phytobezoars as a cause of small bowel obstruction associated with a carcinoid tumor of the ileocecal area 1
Sawnani 2003 USA J La State Med Soc 155:163-4 Proctological crunch: sunflower-seed bezoar 1
Steinberg 2003 Israel Int J Colorectal Dis 18:365-7 Prickly pear fruit bezoar presenting as rectal perforation in an elderly patient 1
Schoffl 2004 Laos Asian J Surg 27:348-51 Intestinal obstruction due to phytobezoars of banana seeds: A case report 4
Alexander 2005 India Indian J Gastroenterol 24:273-4 Cherry pip bezoars causing acute small intestinal obstruction presenting as diabetic ketoacidosis 1
Bakr 2006 UAE Acta Paediatr 95:886-7 Rectal sunflower seed bezoar 1
Eitan 2006 Israel Dis Colon Rectum 49:1768-71 Fecal impaction in children: report of 53 cases of rectal seed bezoars 30
Shaw 2007 UK J Med Case Rep 1:1-4 Large bowel obstruction due to sesame seed bezoar: a case report 1
Singh 2007 Oman Australas Radiol 51:126-9 Duodenal date seed bezoar: A very unusual cause of partial gastric outlet obstruction 1
Eitan 2007 Israel J Pediatr Surg 42:1114-7 Fecal impaction in children: report of 53 cases of rectal seed bezoars 53
Bedioui 2008 Tunisia Gastroenterol Clin Biol 32:596-600 A report of 15 cases of small-bowel obstruction secondary to phytobezoars: Predisposing factors and diagnostic difficulties 8
Kok 2009 Turkey J Emerg Med 41:537-8 Pumpkin seed bezoar initially suspected as child abuse 1
Mirza 2009 Oman Trop Doct 39:54-5 Rectal bezoars due to pumpkin seeds 1
Schucany 2009 USA Proc (Bayl Univ Med Cent) 22:164-5 Abdominal pain, nausea, and vomiting in a 10-year-old girl 1
Kavlakoglu 2010 Turkey Turkish J Gastroenterol 22:442-3 Very rare coincidence: Perforated duodenal ulcer and olive seed phytobezoar 1
Lane 2010 USA Pediatr Emerg Care 26:662-4 Sunflower rectal bezoar presenting with an acute abdomen in a 3-year old child 1
Minty 2010 Canada Can Med Assoc J 182:91991 Rectal bezoars in children 1
Thing 2010 Denmark Ugeskr Laeger 172:2905-6 Rectal bezoar caused by sunflower seeds 1
Britton 2011 Australia (Iraqi) J Paediatr Child Health 47:68-9 A case of impacted watermelon seed rectal bezoar in a 12-year-old girl 1
Chauhan 2011 India Indian J Radiol Imaging 21:21-3 Case report: Colonic bezoar due to Box Myrtle seeds: A very rare occurrence 1
Slesak 2011 Laos Trop Doct 41:85-90 Bowel obstruction from wild bananas: a neglected health problem in Laos 6
Luporini 2012 Brasil J Coloproctol 32:308-11 Intestinal obstruction caused by phytobezoar composed of jaboticaba seeds: case report and literature review 1
Manne 2012 USA Clin Med Res 10:75-7 A Crunching colon: Rectal bezoar caused by pumpkin seed consumption 1
Martinez-Pasqual 2012 Spain Rev Esp Enferm Dig 104:266-7 Rectal ulcer secondary to a fecal impaction due to pomegranate seed bezoar 1
Al-Rashid 2013 Saudi Arabia BMJ Case Rep 2013:1-2 Beware of what you eat: small bowel obstruction caused by freekeh bezoars 1
Lim 2013 USA Endoscopy 45:65212 Unusual cause of constipation: Sunflower seeds bezoar 1
El-Majzoub 2014 Lebanon Ann Saudi Med 104:2014 Rectal impaction by pomegranate seeds 1
Kia 2014 Iran West J Emerg Med 15:385-6 Intestinal Obstruction Caused by Phytobezoars 1
Metussin 2014 Brunei Turkish J Gastroenterol 25:270-1 Rectal bleeding from seeds impaction 1
Plataras 2014 Greece BMJ Case Rep 2014:1-3 An unusual cause of small bowel obstruction in children: lentil soup bezoar 1
Mahmood 2015 USA ACG Case Rep J 2:200-1 Rectal Pain and the Colonic Crunch Sign 1
Marchese 2015 Italy J Biol Regul Homeost Agents 29:707-11 Rectal impaction due to prickly pear seeds bezoar: a case report 1
Akrami 2016 Iran Iran J Public Health 45:1080-2 Dietary Habits Affect Quality of Life: Bowel Obstruction Caused by Phytobezoar 1
Chai 2016 Malaysia Indian J Surg 78:326-8 Wild Banana Seed Phytobezoar Rectal Impaction Causing Intestinal Obstruction 1
Nehme 2017 USA ACG Case Rep J 4:e49 Pumpkin Seed Bezoar Causing Lower Gastrointestinal Bleeding 1
Alexandre 2018 Portugal BMJ Case Rep 2018 Giant granadilla’s seeds phytobezoar rectal impactation: a very unusual case of intestinal obstruction 1
Islam 2018 Trinidad and Tobago Int J Surg Case Rep 51:125-9 Mango seed causing acute large bowel obstruction in descending colon-world’s first reported case 1
Manatakis 2018 Greece Pan Afr Med J 31:157 Rectal seed bezoar due to sunflower seed: a case report and review of the literature 1