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Updated: May 1, 2026

Isolation of Human Lymphatic Endothelial Cells by Multi-parameter Fluorescence-activated Cell Sorting
Published on: May 1, 2015
Lymphatic filariasis disseminating to the upper extremity
Catherine Maldjian1, Vineet Khanna1, Bevan Tandon2
1Department of Radiology, University of Pittsburgh Medical Center, Pittsburgh, PA 15213-2582, USA.
Magnetic resonance imaging (MRI) reveals unique findings in active lymphatic filariasis, an infection causing lymphedema. These new imaging insights may aid in diagnosing this debilitating parasitic disease.
Area of Science:
- Medical Imaging
- Parasitology
- Infectious Diseases
Background:
- Lymphatic filariasis is a major global cause of acquired lymphedema, affecting over 100 million people.
- Caused primarily by Wuchereria bancrofti, it is a leading cause of permanent disability.
- Diagnostic challenges exist due to limited MRI data in pathologically confirmed active infections.
Purpose of the Study:
- To report the first pathological correlation of MRI findings in active extremity filariasis.
- To describe novel MRI characteristics associated with active filarial infection.
- To enhance diagnostic capabilities for filariasis.
Main Methods:
- Retrospective analysis of MRI scans in active filariasis cases.
- Pathological correlation of imaging findings.
- Description of specific MRI signal characteristics and tissue appearances.
Main Results:
- MRI demonstrated an enhancing, infiltrative, mass-like appearance with vascular encasement.
- Low signal strands within T2-hyperintense dilated lymphatic channels were observed.
- These findings may represent live adult worms and their cuticles.
Conclusions:
- Novel MRI findings, including low signal strands in dilated lymphatics, may indicate active filariasis.
- These specific imaging features could prompt early diagnosis and treatment.
- Pathological correlation with MRI enhances understanding of filarial infections.
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