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Research ArticleExperimental Studies

Morphological Events Found at the Invading Edge of Colorectal Carcinomas in Baboons

CARLOS A. RUBIO, EDWARD DICK and GENE B. HUBBARD
Anticancer Research January 2008, 28 (1A) 193-196;
CARLOS A. RUBIO
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  • For correspondence: carlos.rubio@ki.se
EDWARD DICK Jr.
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GENE B. HUBBARD
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Abstract

Background: Earlier studies at the growing edge of colorectal cancer (CRC) in humans and rats have shown dilated neoplastic glands, some with a thin layer of flattened tumor cells (FTCs), some lacking one or more groups of consecutive lining tumor cells (called glandular pores, GPs). Materials and Methods: The characteristics of the neoplastic glands at the invading edge of CRCs were investigated in 39 baboons. A total of 190 neoplastic glands were studied in the 38 cases of glandular-forming adenocarcinomas. Results: In the studied neoplastic glands FTCs or GPs were recorded in 44.7% (85 glands). FTCs were found in 9.5% (18 glands) and GPs in 35.3% (67 glands). Only 7.9% or 3 out of the 38 animals showed neoplastic glands with GPs in the bulk of the tumor. Conclusion: In similarity to colorectal adenocarcinomas in humans, flattened tumor cells and glandular pores were found at the invading tumor edge of colorectal adenocarcinomas in baboons. A possible mechanism of host invasion is proposed.

  • Baboons
  • colon cancer
  • progression
  • Received August 21, 2007.
  • Revision received November 6, 2007.
  • Accepted November 16, 2007.
  • Copyright© 2008 International Institute of Anticaner Research (Dr. John G. Delinassios), All rights reserved
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Anticancer Research: 28 (1A)
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Vol. 28, Issue 1A
January-February 2008
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Morphological Events Found at the Invading Edge of Colorectal Carcinomas in Baboons
CARLOS A. RUBIO, EDWARD DICK, GENE B. HUBBARD
Anticancer Research Jan 2008, 28 (1A) 193-196;

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Morphological Events Found at the Invading Edge of Colorectal Carcinomas in Baboons
CARLOS A. RUBIO, EDWARD DICK, GENE B. HUBBARD
Anticancer Research Jan 2008, 28 (1A) 193-196;
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