Diagnostic value of positron emission tomography/computed tomography (PET/CT) in detection of peritoneal carcinomatosis

Egyptian Journal of Radiology and Nuclear Medicine

Table 4 Distribution of studied cases according to the site of peritoneal metastasis related to the primary tumour

Type	Perihepatic fissures and spaces		Liver and spleen surface		Right subhepatic space		Lesser Omentum		Paracolic gutters
Type	n	%	n	%	n	%	n	%	n	%
Ovarian	1	14.3	3	23.1	1	16.7	0	0.0	2	28.6
Endometrial	2	28.6	2	15.4	0	0.0	1	20.0	0	0.0
Colon	2	28.6	1	7.7	4	66.7	0	0.0	5	71.4
Gastric	1	14.3	2	15.4	0	0.0	1	20.0	0	0.0
Breast	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0
MUP	1	14.3	2	15.4	1	16.7	2	40.0	0	0.0
Liver	0	0.0	1	7.7	0	0.0	1	20.0	0	0.0
Biliary	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0
Oesophagus	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0
Pancreas	0	0.0	1	7.7	0	0.0	0	0.0	0	0.0
Urinary Bladder	0	0.0	1	7.7	0	0.0	0	0.0	0	0.0
Lung	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0
Total⁺	7	100.0	13	100.0	6	100.0	5	100.0	7	100.0
X²	6.894		13.575		12.500		15.600		18.634
^MCP	0.943		0.247		0.410		0.184		0.039*

Bold indicates X²: Chi-square test, MC: Monte Carlo exact test
Data expressed as frequency (n and %); MUP Metastases of unknown primary; ⁺ Most of the included patients showed more than one site of peritoneal metastasis; p probability; *, significance < 0.05