Case 192:   Focal Nodular Hyperplasia (FNH)

Diagnostic Category:

Clinical Presentation:

35 year old woman with diarrhea found to have an incidental mass on ultrasound.

US: Spoke wheel artery on Doppler

Imaging Findings:

Transverse gray-scale ultrasound demonstrates an isoechoic lesion in the left liver with central radial vascularity on Doppler, representing a "spoke wheel artery" pattern. Note flash artifacts medial to the lesion. See similar appearance of central vessel in this other case.

Biopsy was performed with US guidance to exclude neuroendocrine tumor; FNH was confirmed.

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