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GEWF solution: An inexpensive, simple, and effective aid for the retrieval of lymph nodes from colorectal cancer resections

* Background-Lymph node status is an important prognostic factor in the staging of colorectal carcinoma. Several adjunctive solutions have been used to increase the yield of pericolic lymph nodes from colorectal cancer resection specimens.

Methods.-During 1998 at the Grey Bruce Regional Health Centre (Owen Sound, Ontario), 67 colonic resections were performed for colorectal cancer. Lymph nodes were identified using GEWF solution (glacial acetic acid, ethanol, distilled water, and formaldehyde) in 35 cases, and by the conventional method of sectioning, inspection, and palpation in 32 cases.

Results.-There were no significant differences between GEWF and non-GEWF cases with respect to ...

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