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Case Reports
. 2022 Mar;50(3):411-414.
doi: 10.1002/jcu.23156. Epub 2022 Feb 15.

Detection of a pituitary macroadenoma with transcranial ultrasonography: Principles and potential clinical applications

Simone Meini  1 , Roberto Andreini  1 , Sabino Cozza  2
Affiliations
Case Reports

Detection of a pituitary macroadenoma with transcranial ultrasonography: Principles and potential clinical applications

Simone Meini et al. J Clin Ultrasound. 2022 Mar.

Abstract

Transcranial color-coded duplex sonography (TCCS) allows to study intracranial vessels through the intact skull, but the visualization of normal and pathologic brain structures in adults is often suboptimal due to inadequate acoustic window. The full potential of TCCS for clinical practice remains unfulfilled. Here, we describe the ability of TCCS to detect a non-functioning pituitary macroadenoma in a 58-year-old man affected by headache. The macroadenoma was visualized as a roundish, well-defined mass, mildly hyperechogenic compared to the hypoechogenic mesencephalic brainstem but mainly hypoechogenic compared to the surrounding intracranial structures. Intracranial vessels represented useful landmarks. Using tissue harmonic imaging mode, the borders of the macroadenoma were visualized more clearly. Macroadenoma characteristics were confirmed by magnetic resonance imaging. Neurosonologists should be aware of the possibility to incidentally find, during routinary TCCS, pituitary macroadenomas or other brain tumors (as incidentalomas), worthy to be recognized and referred for further investigations.

Keywords: hypophysis; neuroimaging; pituitary macroadenoma; transcranial color-coded duplex sonography.

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References

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