Adult intussusception: A retrospective review of 41 cases

Table 1 Preoperative diagnosis and treatment of 41 cases of adult intussusception (AI)

Age (yr)	Sex	US1	CT1	Histopathology	Type	Reduction2	Surgery
23	M	-	N	Small intestine hamartoma	Ileocolic	Y	Small intestine segmental resection
58	F	-	-	Intestinal inflammatory disease	Enteric	F	Small intestine segmental resection
41	M	N	-	Small intestine polyp	Ileocolic	F	Right hemicolectomy
46	F	N	Y	- (Mobile cecum)	Ileocolic	Y	Appendectomy, immobilization of the cecum
54	F	Y	-	Ascending colon adenocarcinoma	Colocolonic	N	Right hemicolectomy
34	F	Y	-	- Efferent Loop of Gastrojejunostomy with Tube	Enteric	Y	-
29	M	N	-	-	Enteric (retrograde)	Y	-
20	M	N	Y	GIST of small intestine	Ileocolic	Y	Right hemicolectomy
22	F	Y	-	Small intestine lipoma	Ileocolic	Y	Small intestine segmental resection
38	M	Y	-	Small intestine polyp	Enteric	F	Small intestine segmental resection
48	F	-	Y	Necrosis with bleeding	Enteric	F	Small intestine segmental resection
48	M	Y	Y	Suppurative appendicitis	Ileocolic	N	Right hemicolectomy
41	F	Y	-	GIST of small intestine	Ileocolic	Y	Small intestine segmental resection
38	M	Y	Y	Inflammation and ulcer of cecum	Ileocolic	Y	Right hemicolectomy
64	F	-	-	Small Intestine lipoma	Enteric	N	Small intestine segmental resection
49	F	Y	Y	- (After appendectomy)	Ileocolic	F	Right Hemicolectomy
50	M	N	-	Small intestine smooth muscle cell-derived borderline tumor	Enteric	Y	Small intestine segmental resection
18	F	N	-	Meckel diverticulum	Ileocolic	Y	Small intestine segmental resection
45	F	Y	Y	Small intestine malignant mesothelioma	Enteric	Y	Small intestine segmental resection
49	M	Y	Y	Small intestine polyp	Ileocolic	F	Right hemicolectomy
39	M	Y	Y	Cecum polyp	Colocolonic	Y	Right hemicolectomy
33	F	Y	-	Ileum adenoma with necrosis and bleeding	Ileocolic	N	Right hemicolectomy
65	M	-	-	Small intestine malignant Mesothelioma	Enteric	N	Small intestine segmental resection
38	M	N	Y	Colon Lipoma	Colocolonic	Y	Right hemicolectomy
25	F	-	-	Sigmoid Colon villous and tubular adenoma	Sigmoidorectal	Y	Partial resection of the sigmoid colon
19	M	Y	-	Mesenteric Lymphadenitis	Ileocolic	Y	Right hemicolectomy
23	F	N	N	Small Intestine Hamartoma	Enteric	Y	Small intestine segmental resection
51	F	-	Y	Colon Lipoma	Colocolonic	N	Right hemicolectomy
24	M	Y	-	Small and Large Intestine Multiple Adenomas	Enteric, Colocolonic	Y	Small intestine segmental resection and partial resection of the transverse colon
41	F	Y	-	Necrosis and Bleeding	Ileocolic	N	Right hemicolectomy
64	M	Y	Y	Ileum B Cell Malignant Lymphoma	Ileocolic	Y	Right hemicolectomy
58	F	N	Y	Ascending Colon Adenocarcinoma	Colocolonic	N	Right hemicolectomy
56	F	N	-	Intestinal Inflammatory Disease	Enteric	N	Right hemicolectomy
43	M	Y	-	- (Efferent Loop of Gastrojejunostomy with Tube)	Enteric, Enteric	Y	-
87	F	-	Y	Ascending Colon Adenocarcinoma	Colocolonic	N	Right hemicolectomy
44	M	-	Y	Small Intestine Multiple Adenomas Canceration	Enteric, Enteric	Y	Small intestine segmental resection
40	F	-	Y	Small Intestine Lipoma	Enteric	Y	Small intestine segmental resection
51	F	N	Y	GIST of Small Intestine	Enteric	Y	Small intestine segmental resection
70	F	Y	Y	- (Efferent Loop of Gastrojejunostomy with Tube)	Enteric	F	Small intestine segmental resection
68	F	-	Y	GIST of small Intestine	Enteric	Y	Small intestine segmental resection
71	M	N	-	Necrosis and Bleeding	Colocolonic	N	Left hemicolectomy

US: Ultrasonography; CT: Computed tomography; GIST: Gastrointestinal stromal tumor.

¹Y: Diagnosed with intussusception; N: Not diagnosed with intussusception; -: Did not undergo this diagnostic modality.

²Y: Reduction succeeded; F: Reduction failed; N: Reduction not attempted.

Table 2 Coloscopy results for intussusceptions

Intussusception type	Etiology	Coloscopy diagnosis
		Diagnosis of intussuscption	Etiological diagnosis
Enteric	Intestinal inflammatory disease	No	Intestinal inflammatory disease
Ileocolic	- (After appendectomy)	Yes	-
Ileocolic	Ileum B cell malignant lymphoma	Yes	Occupying lesion
Colocolonic	Colon lipoma	No	Occupying lesion
Colocolonic	Colon lipoma	Yes	Occupying lesion
Colocolonic	Ascending colon adenocarcinoma	No	Adenocarcinoma
Colocolonic	Ascending colon adenocarcinoma	No	Adenocarcinoma
Sigmoidorectal	Sigmoid colon villous and tubular adenoma	Yes	Villous and tubular adenoma

Table 3 Etiologies of the 44 AIs

		Enteric	Ileocolic	Colocolonic	Sigmoidorectal	Percentage
Tumor	Malignant	6	3	3	0	27.3 (12/44)
	Borderline	1	0	0	0	2.3 (1/44)
	Benign	4	3	3	1	25.0 (11/44)
Nontumorous polyp		1	2	1	0	9.1 (4/44)
Intestinal inflammatory disease		2	3	0	0	11.4 (5/44)
Anatomy abnormality		0	2	0	0	4.5 (2/44)
Iatrogenic		4	1	0	0	11.4 (5/44)
Idiopathic		2	1	1	0	9.1 (4/44)
Percentage		45.5 (20/44)	34.1 (15/44)	18.2 (8/44)	2.3 (1/44)	100.0 (44/44)