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Adrenal pseudotumors on computed tomography

L Berliner, M A Bosniak, A Megibow

    Journal of Computer Assisted Tomography
    |April 1, 1982
    PubMed
    Summary
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    Computed tomography (CT) can misidentify adrenal gland masses due to adjacent structures. Recognizing these adrenal pseudotumors, such as gastric or splenic variations, is crucial for accurate diagnosis and avoiding misinterpretations.

    Area of Science:

    • Radiology
    • Medical Imaging
    • Abdominal Anatomy

    Background:

    • Adrenal gland masses are common findings on computed tomography (CT).
    • Accurate differentiation between true adrenal tumors and pseudotumors is essential for patient management.
    • Several non-adrenal structures can mimic adrenal masses on CT, leading to diagnostic challenges.

    Purpose of the Study:

    • To identify and describe common anatomical structures and pathological conditions that simulate adrenal masses on CT.
    • To highlight potential diagnostic pitfalls in interpreting adrenal lesions.
    • To provide guidelines for avoiding misdiagnosis of adrenal tumors.

    Main Methods:

    • Review of computed tomography (CT) scans demonstrating adrenal pseudotumors.
    • Identification of characteristic imaging features of simulating structures.

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  • Discussion of differential diagnostic considerations.

    • Main Results:

    • Adrenal pseudotumors can arise from the gastric fundus, spleen, kidneys, and pancreas.
    • Specific examples include fluid-filled gastric fundus, prominent splenic lobulations, upper pole renal masses, tortuous splenic vessels, and pancreatic masses.
    • These entities can mimic the appearance of true adrenal tumors on CT.

    Conclusions:

    • Awareness of these common adrenal pseudotumors is critical for radiologists.
    • Careful analysis of CT findings and understanding of adjacent anatomy can prevent misdiagnosis.
    • Implementing specific diagnostic guidelines aids in accurate interpretation of adrenal lesions.