Persistent Primitive Hypoglossal Artery in a 55-Year-Old Woman with Recurrent Dizziness, Identified on Ultrasound and Computed Tomography Imaging

Weiwei Zhang; Zhenli Huang; Liya Wei; Yanrong Sun; Fei Sang

doi:10.12659/AJCR.950244

28 November 2025 : Case report China

Persistent Primitive Hypoglossal Artery in a 55-Year-Old Woman with Recurrent Dizziness, Identified on Ultrasound and Computed Tomography Imaging

Challenging differential diagnosis, Rare disease

Weiwei Zhang^{EFG 1}, Zhenli Huang^{EFG 1}, Liya Wei^{BF 1}, Yanrong Sun^{ACD 1*}, Fei Sang^{ACD 2}

DOI: 10.12659/AJCR.950244

Am J Case Rep 2025; 26:e950244

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Figure 2 Transcranial Color-Coded Sonography (TCCS) for Persistent Primitive Hypoglossal Artery (PPHA) diagnosis. (A, B) Compression of the left common carotid artery significantly reduces the peak systolic velocity of the bilateral posterior cerebral arteries (PCAs), which are key TCCS findings supporting the suspicion of PPHA.

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Persistent Primitive Hypoglossal Artery in a 55-Year-Old Woman with Recurrent Dizziness, Identified on Ultrasound and Computed Tomography Imaging

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