Colorectal cancer detected in 21 (3.8%) of
548 examined patients had various character of growing and localization.
Exophytic growth of a tumor was detected by spectral-entropic analysis in 6
(29%) of 21 patients. Cancerous growth of lesser size (18 mm in diameter) in one
patient looked exactly the same as flat polyp and was verified by application of
spectral-entropic analysis. We managed to identify its morphological character
after histological research only. Larger tumors, sized from 20 to 50 mm (in 5
patients) looked like asymmetrical focal growths with hyperchromogenic wall (6
points at Fleindler’s scale) and achromogenic center (1 point at Fleindler’s
scale). In 15 (71%) of 21 patients carcinoma had circular type of growth. At
such type of growth we detected thickening of a wall in an area of a tumor, its
rigidity (rigidity was identified as a flattening of a wall and absence of
haustration in this area), application of spectral-entropic analysis allowed to
make more reliable judgment about carcinoma. Spectral-entropic analysis of a
colonic wall, confirmed by histological study of cancerous growths, revealed
adenocarcinoma in 20 cases and tubular cell carcinoma in one case.
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