An unusual case of rectal schwannoma: A case report

Rectal schwannomas, although exceedingly rare, represent an intriguing and often perplexing diagnostic challenge in the field of gastroenterology. Here, we are presenting an interesting case of rectal mass in a 66-years-old Bahraini male who has a known case of irritable bowel and presented with symptoms of fullness in the right iliac fossa region accompanied by recurrent episodes of constipation. A large upper rectal mass was identified in imaging studies; however, obtaining a biopsy was difficult using sigmoidoscopy three times; hence, the patient eventually underwent an exploratory laparoscopy with colectomy. Pathologist confirmed the diagnosis of schwannoma. This captivating case study unravels the enigma surrounding a unique encounter with rectal schwannoma. In addition, we represent an enlightening case that widens our differential diagnosis in investigating mesenchymal tumors of the gastrointestinal tract with emphasis on its clinical presentation, diagnostic nuances, and therapeutic consideration.