Small Bowel Hamartoma: A Huge Diverticulum of Small Bowel

Table 1

Summaries of the reported small intestine (ileal) hamartomas with the macro- and microscopic appearances.

Author	Hamartoma	NOC reported	Age and sex	Presentation/symptoms	Treat.	Macroscopic appearance	Microscopic appearance
Fernando and McGovern (1982) [6]	NMVH	2	30 y/F	Chronic GIT bleeding	SR	Stricture	SM, NF, and VC
			36 y/F	Abdo. pain, vomiting, and constipation	SR	Stricture
Smith et al. (1986) [1]	NMVH	1	50 y/F	Ch. abdo. pain, vomiting, and abdo. mass	SR	Stricture	SM, NF, and VC
Shepherd and Jass (1987) [7]	NMVH	4	34 y/F	Ch. abdo. pain and D&V.	SR	Stricture	SM, NF, and VC
			58 y/M	Ch. abdo. pain and diarrhea		Stricture
			73 y/F	Ch. abdo. pain		Stricture
			63 y/F	Colicy abdo. pain		Stricture
Kwasnik et al. (1989) [8]	NMVH	1	91 y/M	GIT bleeding and IO symptoms	SR	Stricture and mass	SM, ganglia, fib. T., lymph., and VC
Salas et al. (1990) [9]	NMH	1	55 y/F	Ch. abdo. pain, dist., and diarrhea	SR	Stricture	SM, fib. and adipose T., NF, and VC
Gonzalvez et al. (1995) [10]	MEH	1	2 y/M	Vomiting and GIT bleeding	SR	Intussusception	SM and GE
Yamagami et al. (1997) [11]	MEH	1	4 m/M	Abdo. pain and vomiting	SR	Intussusception	GE and SM
Di Benedetto et al. (1998) [12]	IH	1	12 y/M	Abdo. pain, vomiting, and rectal bleeding	SR	Intraluminal polypoid mass	GE and SM
Cortina et al. (1999) [13]	NMVH	2	73 y/M	IO symptoms	SR	Stricture	SM, NF, VC, collagen, and ganglia
			76 y/M	IO symptoms		Stricture
Zolota et al. (2000) [14]	NMVH	1	40 y/M	Abdo. pain and diarrhoea followed by IO	SR	Stricture	SM, NF, and VC
de Sanctis et al. (2001) [15]	NMVH	1	76 y/F	IO symptoms	SR	Stricture	SM, NF, VC, and fibrous tissues
Ikegami et al. (2006) [4]	MEH	1	5 m/F	Vomiting	SR	Intussusception	GE and SM
Lin et al. (2011) [16]	Hamartoma	1	13 y/M	Abdo. pain, constipation	SR	Intussusception	Adipose tissues and VC
Krishnamurthy et al. (2010) [17]	NMVH	1	32 y/M	IO symptoms	SR	Intussusception	SM, NF, VC, and lymphoplasmacytic infiltrates

NOC: number of cases, Treat.: treatment, NMVH: neuromuscular and vascular hamartoma, MEH: myoepithelial hamartoma, NMH: neuromesenchymal hamartoma, IH: intraluminal hamartoma, GIT: gastrointestinal tract, Ch.: chronic, abdo.: abdominal, D&V: diarrhoea and vomiting, dist.: distension, IO: intestinal obstruction, SR: surgical resection, SM: smooth muscles, NF: nerve fibres, VC: vascular channels, lymph.: lymphatics, GE: glandular epithelium, and fib. T.: fibrous tissues.