Retroperitoneal cavernous hemangioma resected by a pylorus preserving pancreaticoduodenectomy

Table 1 Reported cases of retroperitoneal hemangioma with combined resection of surrounding organs

Ref.	Age (yr)	Sex	Tumor size (cm3)	Hyper-vascularity	Curative resection	Pathological diagnosis	Organ(s) of combined resection
Ogura et al[21]	73	M	23 × 14 × 9	-	+	Cavernous	Left kidney
Takaha et al[20]	55	M	10 × 9 × 9	+	+	Cavernous	Spleen, diaphragm, chest wall
Syo et al[22]	72	F	9 × 7 × 7	-	+	Cavernous	Right ovarian artery
Tseng et al[18]	61	F	NA	+	-	Venous	NA
Hanaoka et al, 2013	36	M	12 × 19 × 5	-	+	Cavernous and Venous	Duodenum, pancreas head

Five cases, including this, needed combined resection of surrounding organs. In four cases, a complete combined resection of surrounding organs was performed, while in one case a subtotal resection was performed (Tseng et al[18]). NA: Not available.