ArticleEuropean archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery2026
Imaging characteristics of parotid gland juvenile capillary hemangioma: A Retrospective analysis of 35 pathologically confirmed cases.
Article in European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundParotid gland juvenile capillary hemangioma (PJCH) is a rare vascular tumor primarily affecting infants. Early and accurate imaging diagnosis is essential for guiding appropriate treatment, yet radiologic descriptions remain limited. This study aimed to characterize the CT and MRI features of PJCH to improve diagnostic accuracy and clinical decision-making.
methodsWe retrospectively analyzed 35 infants and young children (15 males, 20 females) with histologically confirmed PJCH treated at the First Affiliated Hospital of Sun Yat-sen University between January 2008 and January 2023. All patients underwent preoperative imaging-CT (n = 13) or MRI (n = 22)-which was independently reviewed by two experienced radiologists.
resultsAll presented with painless, unilateral parotid masses. Lesions were centered in the superficial lobe and frequently extended into the deep lobe (80%). Margins were well-defined in 94%, and shapes were predominantly lobulated (63%) or oval/round (37%). CT revealed soft tissue density masses with homogeneous enhancement (mean 36.4 ± 5.9 HU pre-contrast; up to 123 HU post-contrast). On MRI, lesions showed iso- to slightly hypointense T1WI signals and marked hyperintensity on T2WI. Vascular flow voids and intense, uniform enhancement were typical. In five cases, MRA revealed feeding arteries or draining veins. Histopathology confirmed lobulated capillary proliferation with variable vascular lumina.
conclusionsPJCH commonly presents as a solitary, well-circumscribed parotid mass in infants. Characteristic imaging findings-T2WI hyperintensity, prominent flow voids, and strong enhancement-combined with clinical context, facilitate accurate, noninvasive diagnosis and help optimize treatment strategies. CLINICAL TRIAL NUMBER: Not applicable.
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