Adult intussusception: A case series and review

Table 1 Case series adult intussusception

Case sex/age (yr)	Presentation	Classification	Diagnostic modality	Operation	Pathology	Follow up months	Lead point
Case 1 F/65	Chronic abdominal pain	Ileocecal	Colonoscopy	Right hemicolectomy	Lipoma	65	Ileocecal valve (Figure 1)
Case 2 M/54	Chronic abdominal pain	Ileocecal	Colonoscopy	Right hemicolectomy	Terminal ileal carcinoid	25	Terminal ileum (Figure 2)
Case 3 M/65	Acute small bowel obstruction	Jejunal-Jejunal	CT scan	Small bowel resection	Metastatic lung cancer	27	Jejunal
Case 4 M/50	Incidental finding	Jejunal- Jejunal	CT scan, small bowel enteroscopy	None	Idiopathic	14	None
Case 5 M/58	GI bleeding	Ileocecal	Colonoscopy	Right hemicolectomy	Tubulo-villous adenoma	16	Ileocecal valve (Figure 3)
Case 6 M/74	Partial small bowel obstruction	Ileocecal	CT scan and colonoscopy	Right hemicolectomy	GIST	6	Terminal ileum (Figure 4)
Case 7 M/63	Acute small bowel obstruction	Ileal-ileal	Laparotomy	Small bowel resection	Poorly differentiated adenocarcinoma	6	Mid ileum
Case 8 M/26	Acute small bowel obstruction	Jejunal-jejunal	CT scan and laparoscopy	Laparoscopy and reduction	Idiopathic/H. pylori duodenitis	5	None (Figure 5)
Case 9 F/38	Chronic abdominal pain	Jejuno-jenunal	CT scan, small bowel enteroscopy	None	Idiopathic/H. pylori duodenitis	4	None
Case 10 M/66	GI bleeding	Sigmoid-rectal	Colonoscopy	Low anterior resection	Adenocarcinoma	3	Sigmoid
Case 11 M/58	Abdominal pain	Jejunal-jejunal	CT scan, small bowel enteroscopy	None	Idiopathic	2	None

CT: Computed tomography; GIST: Gastrointestinal stromal tumor; GI: Gastrointestinal.

Table 2 Lesions associated with intussusception

Benign	Malignant
	Primary	Metastatic
Crohns disease	Adenocarcinoma	Melanoma
Celiac disease	Gastrointestinal stromal tumor	Lung
Lipoma	Carcinoids	Renal cell cancer
Leiomyoma	Leiomyosarcomas	Breast
Neurofibromatosis	Lymphoma
Fibro-epithelial polyps
Henoch-Schonlein purpura
Human immunodeficiency virus
Post-operative adhesions
Endometriosis
Meckel’s diverticulum