Objective To explore the ultrasonographic manifestations and pathology of Juvenile xanthogranuloma

and improve the diagnostic accuracy of ultrasonography for Juvenile xanthogranuloma. Methods Analysis the clinical manifestations

ultrasonographic features and pathological findings of 20 patients with Juvenile xanthogranuloma confirmed by pathological examination. Results It is predominantly a disease of infancy with age of onset within 1 year old . The lesions are mainly found in the head and face

High-frequency Doppler ultrasound image show well -defined

homgeneous

low echo

with little blood supply in the cutis/subcutis. . Conclusion High-frequency ultrasound can be widely used in the follow-up and diagnosis of Juvenile xanthogranuloma.