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Bronchogenic cysts with high CT numbers.

D S Mendelson, J S Rose, S C Efremidis

    AJR. American Journal of Roentgenology
    |March 1, 1983
    PubMed
    Summary
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    Mediastinal masses with high CT attenuation may be cystic bronchogenic cysts, not solid tumors. Turbid cyst contents can cause high CT numbers, mimicking solid masses.

    Area of Science:

    • Thoracic surgery
    • Diagnostic imaging
    • Pathology

    Background:

    • Mediastinal masses can present diagnostic challenges.
    • Computed Tomography (CT) is crucial for characterizing mediastinal lesions.
    • High attenuation on CT often suggests solid or calcified lesions.

    Purpose of the Study:

    • To report on four cases of mediastinal masses with high CT attenuation.
    • To highlight the potential for cystic lesions to exhibit high CT numbers.
    • To emphasize the importance of considering bronchogenic cysts in the differential diagnosis of mediastinal masses.

    Main Methods:

    • Review of four patients with mediastinal masses.
    • Analysis of CT scan findings, including attenuation values.
    • Correlation with surgical findings and pathological diagnosis.

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    Main Results:

    • CT examinations revealed masses with high attenuation.
    • Surgical exploration identified cystic masses.
    • Pathological examination confirmed bronchogenic cysts in all cases.
    • The turbid, mucoid content of the cysts contributed to the high CT numbers.

    Conclusions:

    • High CT attenuation in mediastinal masses does not exclude a cystic etiology.
    • Bronchogenic cysts can present with high CT numbers due to their content.
    • Radiological findings should be interpreted in conjunction with clinical and pathological data.