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[Innominate grooves. A discussion].

H Treugut, J Buck, M Zieger

    Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
    |July 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

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    Innominate grooves, subtle colonic mucosal features, are common and depend on barium enema technique. These normal findings should not be mistaken for inflammatory bowel disease.

    Area of Science:

    • Gastroenterology
    • Radiology
    • Colorectal Imaging

    Background:

    • Innominate grooves are poorly understood features observed on barium enemas.
    • Their origin and clinical significance remain debated in medical literature.

    Purpose of the Study:

    • To investigate the incidence, localization, and influencing factors of innominate grooves.
    • To clarify the nature of innominate grooves as normal or pathological findings.

    Main Methods:

    • Analysis of 353 double contrast barium enemas.
    • Categorization of enemas based on four distinct procedural techniques.
    • Evaluation of groove presence, location, and visualization conditions.

    Main Results:

    • Groove incidence varied significantly (3%-91%) based on the barium enema technique employed.

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  • Most common locations included the descending, sigmoid, and transverse colon near the hepatic flexure.
  • Grooves were primarily visible towards the examination's conclusion.

    • Conclusions:

    • Innominate grooves represent a normal mucosal pattern in healthy colons, visualized under optimal imaging conditions.
    • They likely result from the mucosal relief pattern, highlighting folds near lymph follicles.
    • Distinguishing innominate grooves from inflammatory changes is crucial to avoid misdiagnosis.