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Clin Imaging. 2016 Sep-Oct;40(5):1040-6. doi: 10.1016/j.clinimag.2016.06.009. Epub 2016 Jun 22.

Arterial spin-labeled perfusion for vascular anomalies in the pediatric head and neck.

Author information

1
Department of Radiology and Biomedical Imaging, University of California, San Francisco, 505 Parnassus Ave, L352, San Francisco, CA 94143; Department of Radiology, The Permanente Medical Group, Kaiser Permanente Medical Center, Santa Clara, 700 Lawrence Expy, Santa Clara, CA 95051. Electronic address: mark.d.mamlouk@kp.org.
2
Department of Radiology and Biomedical Imaging, University of California, San Francisco, 505 Parnassus Ave, L352, San Francisco, CA 94143.

Abstract

OBJECTIVE:

To study the arterial spin-labeled (ASL) imaging features of vascular anomalies in the head and neck.

MATERIALS AND METHODS:

The presence or absence of ASL signal was evaluated for each vascular anomaly, and a comparison with conventional magnetic resonance (MR) sequences was performed.

RESULTS:

Twenty-five children were identified with vascular anomalies. All proliferating infantile hemangiomas demonstrated hyperintense ASL signal. There were eight cases that ASL imaging provided additional information when compared with conventional MR sequences, including increased lesion conspicuity and altered perfusion.

CONCLUSIONS:

ASL imaging of cutaneous vascular anomalies shows specific signal intensity patterns and can provide additional value when compared to conventional MR sequences.

KEYWORDS:

Arterial spin labeling; Hemangioma; PHACE; Vascular anomalies

PMID:
27372212
DOI:
10.1016/j.clinimag.2016.06.009
[Indexed for MEDLINE]

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