Primary duodenal dedifferentiated liposarcoma: A case report and literature review

Table 1 Clinicopathologic features of liposarcoma from small bowel described previous and in present reports

No.	Ref.	Age (yr)	Sex	Clinical presentation	Location	Histology	Treatment
1	Atik et al[2]	58	F	Intussusception	Jejunum	LPS	Not stated
2	Papadopoulos et al[7]	52	M	Abdominal discomfort, vomiting	Jejunum	WDLPS	Small bowel resection
3	Rivkind et al[9]	Unknown	Unknown	Mimicking appendicitis	Small intestine	Myxoid LPS	Unknown
4	Benaragama et al[3]	76	M	Small bowel perforation	Iliac fossa	WDLPS	Segmental resection
5	Patel et al[8]	59	M	Palpable lump	Iliac fossa	DDLPS with WD component	Resection
6	Jeong et al[30]	45	M	Abdominal discomfort	Jejunum	DDLPS with WD component	Excision
7	Okabayashi et al[6]	55	M	Melena	Duodenum	DDLPS with WD component	Pancreaticoduodenectomy with partial colon resection
8	Nennstiel et al[17]	60	M	Gastrointestinal bleeding	Ileocecal valve	Pleomorphic LPS	Ileum segmental resection
9	Matsuo et al[5]	84	M	Intussusception	Ileum	DDLPS	Ileocecal resection
10	Gajzer et al[1]	51	M	Not provided	Small intestine	DDLPS with myofibiorblastic differentiation	Excision
11	Gajzer et al[1]	75	M	Intestinal obstruction	Ileum	DDLPS with WD component	Segmental ileectomy
12	Gajzer et al[1]	53	M	Intestinal obstruction	Jejunum	DDLPS	Segmental jejunectomy
13	Gajzer et al[1]	68	M	Not provided	Small intestine	DDLPS with WD component	Excision
14	Whitham et al[10]	59	F	Fatigue, palpitation, shortness of breath	Duodenum	DDLPS	Segmental duodenal resection and distal gastrectomy
15	Present case	64	M	Abdominal pain,weight loss	Duodenum	DDLPS	Pylorus-preserving pancreaticoduodenectomy

F: Female; M: Male; LPS: Liposarcoma; DDLPS: Dedifferentiated liposarcoma; WDLPS: Well differentiated liposarcoma.