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  • Title: Application of Doppler ultrasonography in congenital vascular lesions of the head and neck.
    Author: Rózylo-Kalinowska I, Brodzisz A, Gałkowska E, Rózylo TK, Wieczorek AP.
    Journal: Dentomaxillofac Radiol; 2002 Jan; 31(1):2-6. PubMed ID: 11803381.
    Abstract:
    OBJECTIVES: To evaluate the value of Doppler ultrasonography in the assessment of congenital vascular lesions of the maxillofacial region. METHODS: 27 new patients with 36 congenital vascular lesions in the maxillofacial region as well as 10 patients previously treated with cryotherapy underwent ultrasonography (US) with a 6.0-10.0 MHz broadband linear transducer (reference Doppler frequency 7.5 MHz). Initial grey-scale US was followed by Color Doppler, Power Doppler and spectral Doppler studies. The presence or absence of flow was noted. In areas of high vascularity the number of vessels within a 1 cm(2) restricted region of interest were increased by spectral Doppler. RESULTS: US allowed differentiation of seven hemangiomas from other congenital vascular lesions and thus appropriate treatment of patients. Low flow vessels were demonstrated within the scars of five lesions previously treated with cryotherapy, requiring further intervention. CONCLUSION: Doppler US is a widely available, non-invasive and relatively inexpensive technique which can be used to characterize the flow of head and neck vascular anomalies and thus differentiate hemangiomas from other vascular malformations.
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