Gastric Composite Tumor of Alpha Fetoprotein-Producing Carcinoma/Hepatoid Adenocarcinoma and Endocrine Carcinoma with Reference to Cellular Phenotypes

Table 3

Clinicopathologic features of AFP-producing carcinoma and neuroendocrine carcinoma of the stomach.

Case	Diagnosis	Age	Sex	Site	Size (mm)	Histology	T	N	M	Outcome (months)
1	MANEC	83	M	U		Tub 2 > hepatoid > large cell	4	2	1	DOD (6)
2	LCNEC	81	M	M		Large cell	2	0	0	DOD (12)
3	LCNEC	74	M	U		Large cell	2	3	0	DOD (13)
4	LCNEC	77	M	U		Large cell	3	1	0	DOD (8)
5	LCNEC	62	M	L		Large cell	2	1	0	alive (30)
6	SCNEC	54	F	U		Small cell	1	0	0	alive (66)
7	SCNEC	63	M	U		Small cell	3	2	1	alive (24)
8	AFPC	69	M	U		Pap > tub 1	1	0	0	alive (30)
9	AFPC	69	M	U		Por > hepatoid	3	1	0	alive (42)
10	AFPC	70	M	L		Tub 1 > tub 2	1	0	0	alive (66)
11	AFPC	51	M	M		Tub 2 > tub 1	1	0	1	alive (24)

MANEC, mixed-adenoneuroendocrine carcinoma;
LCNEC, large-cell neuroendocrine carcinoma;
SCNEC, small-cell neuroendocrine carcinoma;
AFPC, alfa fetoprotein-producing carcinoma;
Site; U, upper-third; M, middle-third; L, lower-third of the stomach.
Tub 1, well-differentiated tubular adenocarcinoma;
Tub 2, moderately differentiated tubular adenocarcinoma;
Pap, papillary adenocarcinoma;
Por, poorly differentiated adenocarcinoma;
DOD, died of disease.