A case report of endocrine cell carcinoma in the sigmoid colon with inferior mesenteric vein tumor embolism

Table 1 Review of the literature

Clinical features of 87 patients with endocrine cell carcinoma
Characteristic
Sex M/F (n = 87)	44/43
Average age (Yr, n = 87)	60.4 (34-89)
Location ( n = 87)	Appendix: 2
	Cecum: 9
	Ascending colon: 17
	Transverse colon: 9
	Descending colon: 2
	Sigmoid colon: 1
	Rectum: 47
Depth (n = 66)	m-sm: 5
	Mp: 10
	a1/ss: 20
	a2/se: 23
	ai/si: 8
Lym (n = 44)	Positive 38
	Negative 6
V (n = 44)	Positive 32
	Negative 12
N (n = 59)	Positive 46
	Negative 13
H (n = 56)	Positive 11
	Negative 45
Prognosis (death n = 56)	> 6 mo: 22
	> 1 year: 19
	>= 1 year: 15

V: Venous invasions; N: Lymph node metastases; H: Liver metastases.

Table 2 A summary of 14 colon and rectal cases complicated by tumor emboli in mesenteric veins

Age	Sex	Location	Histology	Depth	Size (mm)	H	Recurrent	Prognosis
50	F	A/SMV	Poor	-	10 × 50	-	Liver, lung	4 mo
53	M	S/IMV	Mod	-	-	+	Liver, local	-
77	F	T/SMV	Poor	-	15 × 40	-	-	-
62	M	A/SMV	Poor	se	8	-	None	-
65	F	A/SMV	Mod	si	-	-	None	7 mo alive
68	M	S/IMV	Mod	a2	5 × 50	-	None	24 mo alive
75	M	A/SMV	-	-	40	-	None	-
82	F	A/SMV	Mod	-	-	-	-	-
67	M	A/SMV	Mod	se	-	+	Liver	-
56	F	A/SMV	Muc	si	-	-	-	-
78	F	R/IMV	Well	se	10 × 185	-	None	-
47	F	T/SMV	Mod	-	-	-	-	5 mo alive
78	F	A/SMV	Poor	ss	-	-	-	5 mo
79	F	S/IMV	End	se	-	-	Liver	9 mo alive

A: Ascending colon; T: Transverse colon; S: Sigmoid colon; R: Rectum; H: Liver metastases; SMV: Superior mesenteric vein; IMV: Inferior mesenteric vein. Poor: Poorly differentiated; Mod: Moderately differentiated; Well: Well differentiated; Muc: Mucinous; End: Endothelial.