Ileal angiomyolipoma manifested by small intestinal Intussusception

Table 1 Clinicopathological data and immunohistochemical staining results in small-intestinal AMLs

Case No.	1	2	3	4
Author	Han et al	Toye and Czarnecki	Lin et al	Present case
Age (yr)	60	60	48	28
Gender	Female	Female	Female	Male
Tuberous sclerosis	Absence	Absence	Absence	Absence
Symptoms	Periumbilical pain	Early satiety	Abdominal pain and bloody stool	Abdominal pain
Intussusception	Present	Absent	Present	Present
Location	Ileum	Duodenum	Ileum	Ileum
Size (cm)	4 × 4 × 3	3.6 × 3.6	4 × 4 × 2	3 × 3 × 2.5
Gross morphology	Polypoid	Polypoid	Pedunculated polypoid	Polypoid
IHC
SMA	+	+	+	+
DES	+	NA	+	+
VIM	+	NA	+	+
CD34	NA	NA	+	+
HMB-45	-	-	+*	-
CD117 (c-kit)	NA	NA	+*	-

DES: Desmin; VIM: Vimentin; +: Positive; -: Negative; NA: Data not available; +*: Positive in few cells.