Table 3 Characteristics of the twenty-two included CT studies
From: Imaging in assessing hepatic and peritoneal metastases of gastric cancer: a systematic review
Study (year, reference) | County | No. of patients | Use of intravenous contrast (dose) | Section thickness (mm), gap (mm) | Interpreter(s) | Reference standard |
|---|---|---|---|---|---|---|
Kim 1997 [21] | South Korea | 95 | NCD | 10, 10 | Two radiologists independently | Surgical and pathological findings |
Stell 1996 [22] | United Kingdom | 103 | NCD | NCD | Experienced personnel | Histological examination |
Asencio 1997 [23] | Germany | 71 | NCD | NCD | NCD | Surgical and histologic evaluation |
Ozmen 2003 [27] | United States | 48 | NCD | NCD | NCD | Histological examination |
Nozoe 1999 [28] | United States | 36 | NCD | NCD | An experienced gynecologist | Operation findings |
Kayaalp 2002 [29] | United Kingdom | 118 | NCD | 10, 10 | A consultant radiologist | Histopathological examinations |
Lim 2006 [34] | South Korea | 124 | 60% iodinated contrast material (2 mL/kg) | 1.0-1.5 or 3.0-7.0, NCD | Three experienced gastrointestinal radiologists | Surgical and histopathologic standards |
Chen 2005 [36] | United States | 68 | 60% iodine (maximum 150 mL) | 7, NCD | An abdominal radiologist | Surgical and histological classification |
Chamadol 2008 [39] | Thailand | 64 | Iodinated contrast material (100 mL) | 8, NCD | An experienced radiologist | Surgical-pathologic results |
Yajima 2006 [40] | United States | 413 | Iodinated contrast material (NCD) | 10, NCD | Expert radiologists | Clinical, surgical reports, histopathologic findings |
Yun 2005 [41] | United States | 81 | NCD (2 mL/kg) | 3-5, NCD | NCD | Histopathologic examination |
Kim 2005 [43] | United States | 124 | Iopromide (150 ml) | 5.0, NCD | Two experienced gastrointestinal radiologists | Histopathologic analysis |
D'Elia 2000 [44] | Germany | 127 | Non-ionic contrast medium (200 ml) | 10,10 | Two radiologists | Histopathologic staging |
Adachi 1997 [45] | United States | 56 | Loparimon or omnipaque (100 ml) | NCD, NCD | One radiologist | Surgical and histological diagnosis |
Shinohara 2005 [46] | Japan | 112 | Non-ionic contrast medium (100 ml) | 2.5, 2.5 | Two authors of the study | Surgical and histological diagnosis |
Davies 1997 [47] | United Kingdom | 105 | Ultravist (150 ml) | 10, 5 | One radiologist | TNM histopathological stage |
Yan 2007 [48] | China | 220 | Non-ionic contrast medium (1.5 ml/kg) | 3.75-5, NCD | Two radiologists | Surgical and histological diagnosis |
Roic 1994 [49] | Slovenia | 45 | Ioxitalamate (100 ml) | 8, NCD | NCD | Surgical and pathological finding |
Gamón 2002 [50] | Spain | 50 | non-ionic iodated contrast medium (120 ml) | 5, 4 | A single experienced radiologist | Surgical and pathological diagnosis |
Zhang 2002 [51] | China | 43 | Cardiografin (80-100 ml) | 5-10, 5-10 | Two radiologists | Surgical and pathological examination |
Yan 2010 [52] | China | 640 | Iopromide (180 ml) | 5, 2.5 | Two radiologists | Surgical and pathological findings |
Pan 2010 [53] | China | 350 | Iopromide (180 ml) | 5, NR | Two experienced physicians | Surgical and pathological findings |