Ultra Structure of Peritoneum at Electronic Microscopy in Control Subjects and Patients With Gastric Cancer
18 out of 32 cases were eligible for analysis. Four patients operated on for benign diseases
served as control and 14 patients with operable local gastric adenocarcinoma (4
mucosa/submucosa/muscular y 10 serosa lesions) were studied. At the beginning of surgery, a
2 x 2 cm. sample from macroscopically normal visceral peritoneum at mesenterium root was
carefully obtained, washed with saline and fixed in glutaraldehyde solution. Besides a
sample of peritoneal washing fluid was studied to exclude patients with free cancer cells.
Peritoneal tissue was fixed during 24 hours and then all samples were evaluated by
electronic microscope.
Observational
Observational Model: Case Control, Time Perspective: Prospective
Patricio Burdiles, MD
Principal Investigator
Department of Surgery, Clinical Hospital, University of Chile
Chile: Instituto de Salud Publica de Chile
OAIC 043/02
NCT00935779
October 2002
December 2004
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