Table 1: Clinicopathological features of reported cases of omental gastrointestinal stromal tumors.

Reference N.of cases Median age (y) Sex Median tumor size (range) Histology Mitotic count/50 HPF (range) Kit IHC Risk
m f Spindle Epithelioid Mixed + - high low
Miettinen [6] 95 60 years (range: 27 to 88 y) 49 46 15 cm (3.5-33 cm) 1 10 10 8 (0-16) 65 5 9 86
Yamamoto [2] 5 57 years (range: 41 to 69 y) 3 2 18,3 (8.5-33 cm) / 5 / 4 (0-18) / 5 2 3
Zhu J [11] 4 46 years (range: 40 to 60 y) 1 3 > 10 cm 4 / 4 /
Fan Feng [25] 99 60 years (range: 22 to 99 y) 55 38 13 cm (0.7-40 cm) 42 29 16 / 49 88 11
Patnayak [30] 2 36 years (range: 22 to 50 y) 2 24 cm (20-29 cm) 2 12 (10-15) 2 2
Trombatore [14] 1 69 x 7 cm x < 5/50 HPF x x
Todoroki [31] 1 69 x 20 cm x 2/50 HPF x x
Tarchouli [28] 1 61 x 34 cm x 6/50 HPF x x
AIHARA [32] 1 22 x 3 cm x 4/50 HPF x x
Mouaqit [27] 1 63 x 21 cm x 2/50 x x
Franzini [33] 1 74 x 33 cm x 1/50 x x
Fagkrezos [34] 1 63 x 16 cm x 5/50 x x
Dedemadi [26] 1 68 x 15 cm x 1/50 x x
Divakaran [35] 1 58 x 9 cm x 4/10 HPF x x
Suzuki [36] 1 65 x 13 cm x 8/50 HPF x x

N: Number; HPF: High power fields; IHC: Immunohistochemistry.