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Acta Oncol. 1992;31(1):37-40.

Microvascular corrosion casting of normal tissue, transitional mucosa and adenocarcinoma in the human colon.

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  • 1Department of Oncology, University Hospital, Link√∂ping, Sweden.

Abstract

The microcirculatory architecture of normal tissue, transitional mucosa and adenocarcinoma of the human colon was investigated with microvascular corrosion casting (MVCC) combined with scanning electron microscopy (SEM). The study showed that the capillaries within the normal mucosa were arranged in a regular hexagonal pattern around the mucosal glands and that the microvessels of transitional mucosa mostly had lost the typical hexagonal pattern and become slightly wider in diameter. The microvessels in the tumor periphery were increased in number and disorganized, and presented large variation in morphology with claw-like formations, widened sinuses, diverticula and appendixoid patterns. Microvessels were lacking in the central areas of tumors. These morphological alterations may serve as additional indicators of tumor development.

PMID:
1586502
[PubMed - indexed for MEDLINE]
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