Heather Borders, MD
over 3 years ago
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Joseph Junewick, MD FACR
|Diagnostic Category: Vascular
|Created: over 7 years ago
|Updated: over 6 years ago
Right-sided neck mass.
MR – Infiltrative cystic mass with mildly heterogeneous signal.
Lymphatic malformations in the head and neck result from maldevelopment of the cervical lymphatic system that arises as paired jugular lymph sacs sprouting from the primitive jugular venous plexus at 6 weeks gestation. Lymphatic malformations are classified as either macrocystic or microcystic; macrocystic lymphatic malformations are more common and are believed to arise from early sequestration of embryonic lymphatic channels. These lesions are frequently infiltrative. Lymphatic malformations are formed by multiple cystic spaces lined by endothelial cells separated by minimal stroma.
Meuley JY, Lepori D, Theumann N, et al. Multimodality Imaging valuation of the Pediatric Neck: Techniques and Spectrum of Findings. RadioGraphics (2005); 25: 931-948.