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Retropharyngeal mass
Heather Borders, MD
over 3 years ago
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Angiolymphatic Malformation

Case Detail

Anatomy: Neck-Face
Junewick
Joseph Junewick, MD FACR
Diagnostic Category: Vascular
Created: over 7 years ago
Updated: over 6 years ago
Tags: PEDS
Modality/Study Types: MR
Activities:
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History

Right-sided neck mass.


Case Images


Diagnosis

Angiolymphatic Malformation

Findings

MR – Infiltrative cystic mass with mildly heterogeneous signal.

Discussion

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.

Reference

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.



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