[A case of omental mesothelioma presenting with laminar thickening of omentum-appearances of diffuse malignant peritoneal mesothelioma].

TL;DRAbstract

A man in his 60's with no apparent history of asbestos exposure was admitted to our hospital with a chief complaint of abdominal fullness. CA125 levels in serum and ascites were veryhigh. Enhanced abdominal CT confirmed a large amount of ascites, inflexible intestinal canal, short mesentery and laminar thickening of the omentum. SPIO-enhanced MRI-T1WI slightly enhanced the thickened omentum. These T1WI images largely matched portal-phase contrast CT images. Furthermore, the thickened omentum was clearly visualized by lowering the signal for the liver and spleen by SPIO and by suppressing the ascites signal by fluid-attenuated inversion recovery (FLAIR). Gascintigraphy confirmed Ga accumulation in the same areas. Chemotherapy was ineffective, and the patient died of liver metastasis in February 2006. Autopsy confirmed biphasic malignant peritoneal mesothelioma. The involvement of asbestos is clear in the onset of malignant peritoneal mesothelioma. Therefore, it is possible that the pati

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