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Updated: May 13, 2026

Isolation of Human Lymphatic Endothelial Cells by Multi-parameter Fluorescence-activated Cell Sorting
Published on: May 1, 2015
Lymphatic malformations of the orbit.
Susanne Wiegand1, Behfar Eivazi, Linda M Bloch
1Department of Otolaryngology, Head and Neck Surgery, University Hospital Giessen & Marburg, Marburg, Germany.
Orbital lymphatic malformations are rare and challenging to treat. Treatment decisions for these orbital masses depend on size and location, with close monitoring advised for untreated cases.
Area of Science:
- Ophthalmology
- Vascular Malformations
- Orbital Diseases
Background:
- Lymphatic malformations (LMs) of the orbit are uncommon orbital masses, accounting for 1-8% of all cases.
- These lesions are challenging to manage due to their infiltrative nature into surrounding orbital structures.
Purpose of the Study:
- To analyze the clinical courses and evaluate therapeutic options for orbital lymphatic malformations.
Main Methods:
- Retrospective review of 13 patients with orbital lymphatic malformations diagnosed via magnetic resonance imaging (MRI) between 1998 and 2009.
- Analysis of clinical data, including lesion location, treatment strategies, and outcomes.
Main Results:
- Four patients had isolated intraorbital LMs; three underwent complete resection, one was closely monitored.
- Three patients with intraorbital LMs and conjunctival involvement had surgical debulking with good outcomes.
- Six patients presented with intra- and periorbital LMs; three were managed with a watch-and-wait approach, while three received surgical intervention (one with sclerotherapy), resulting in residual malformations.
Conclusions:
- Orbital LM behavior is inconsistent, making standardized treatment recommendations difficult.
- Treatment decisions should be individualized based on LM size and location.
- Patients managed conservatively require monitoring for visual deterioration, indicating potential need for intervention.
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