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[Radiologic features of superficial-type hyperplastic polyps in the large intestine]

H Fujisawa1, Y Sugino, Y Imai

  • 1Department of Radiology, Keio University School of Medicine.

Nihon Igaku Hoshasen Gakkai Zasshi. Nippon Acta Radiologica
|October 31, 1998
PubMed
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Radiographs revealed distinct morphologic features in 38 superficial hyperplastic polyps. These features may help differentiate hyperplastic polyps from adenomas and carcinomas in the large intestine.

Area of Science:

  • Gastroenterology
  • Radiology
  • Pathology

Background:

  • Superficial-type hyperplastic polyps are common colorectal lesions.
  • Accurate differentiation from adenomas and carcinomas is crucial for patient management.
  • Radiographic assessment of polyp morphology can aid in diagnosis.

Purpose of the Study:

  • To analyze the radiographic morphologic features of superficial-type hyperplastic polyps.
  • To identify characteristic features that distinguish these polyps from other colorectal lesions.

Main Methods:

  • Radiographic examination of 38 superficial-type hyperplastic polyps (size > 0.6 cm).
  • Classification of lesions based on cross-section and surface configurations.
  • Detailed analysis of lesion size, location, and specific morphologic patterns.

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Main Results:

  • Polyps ranged from 0.6 cm to 2.5 cm; 22 were in the sigmoid and transverse colon.
  • Sharp cross-section configuration was universal; finely serrated arrangements were noted in 30 lesions.
  • Characteristic surface configurations included undulated folds and regular granular patterns in specific subgroups.

Conclusions:

  • Radiographic cross-section and surface configurations of superficial hyperplastic polyps show distinct patterns.
  • These identified radiologic features offer a potential method for differentiating hyperplastic polyps from colorectal adenomas and carcinomas.