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Large cloisons

C J Hodson, S Mariani

    AJR. American Journal of Roentgenology
    |August 1, 1982
    PubMed
    Summary
    This summary is machine-generated.

    Cloisons, normal kidney tissue masses, are often misdiagnosed as tumors due to their appearance. Radiographic features like specific location and bilaterality aid in identifying these benign conditions.

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    Area of Science:

    • Nephrology
    • Radiology
    • Pathology

    Background:

    • Normal glomerular (cortical) tissue masses, termed cloisons, are frequently misidentified as renal tumors.
    • Accurate differentiation is crucial for appropriate patient management and avoiding unnecessary interventions.

    Purpose of the Study:

    • To describe the radiographic characteristics of cloisons.
    • To aid in distinguishing cloisons from renal tumors based on imaging findings.

    Main Methods:

    • Retrospective review of radiographic characteristics in 20 confirmed cases of cloisons.
    • Analysis of lesion location, bilaterality, and associated papillary-calicine features.

    Main Results:

    • Cloisons were predominantly located in the middle to upper kidney thirds (93%) and often bilateral (60%).

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  • Distinctive features include the "teat and udder" sign, calicine stem displacement, and lack of calicine cup stretching.
  • Nephrotomography or technetium-labeled glucoheptonate imaging may be required for definitive diagnosis in ambiguous cases.

    • Conclusions:

    • Understanding the specific radiographic presentation of cloisons is essential for accurate diagnosis.
    • Radiographic features can help differentiate benign cloisons from potentially malignant renal tumors.
    • Further imaging may be warranted in cases with uncertain radiographic findings to confirm the benign nature of cloisons.