title: Branchial cleft cyst.
abstract: Branchial cleft cysts are benign lesions caused by anomalous development of the brachial cleft. This report describes a 20-year-old girl with swelling on the right lateral aspect of the neck, which expanded slowly but progressively. The clinical suspicion was that of a branchial cleft cyst. Sonography revealed a homogeneously hypo- to anechoic mass with well-defined margins and no intralesional septa. Color Doppler reviewed no internal vascularization. The ultrasound examination confirmed the clinical diagnosis of a second branchial cleft cyst, demonstrating the cystic nature of the mass and excluding the presence of complications. For superficial lesions like these, ultrasound is the first-level imaging study of choice because it is non-invasive, rapid, low-cost, and does not involve exposure to ionizing radiation.
authors.affiliation: Ass3 Alto Friuli, Dipartimento di Radiologia, Ospedale di Tolmezzo e Gemona, Udine, Italy.
authors.forename: M
authors.initials: M
authors.lastname: Valentino
authors.forename: C
authors.initials: C
authors.lastname: Quiligotti
authors.forename: L
authors.initials: L
authors.lastname: Carone
keywords: Neck mass; Second branchial cleft cyst; Ultrasonography
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