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Related Experiment Video

Updated: May 10, 2026

A Revised Method for Inducing Secondary Lymphedema in the Hindlimb of Mice

A Revised Method for Inducing Secondary Lymphedema in the Hindlimb of Mice

Published on: November 2, 2019

Chronic lymphedema due to constriction.

Ho Joong Jeong¹, Ghi Chan Kim, Young-Joo Sim

¹Department of Physical Medicine and Rehabilitation, Kosin University College of Medicine, Busan, Korea.

Lymphatic Research and Biology

|June 19, 2013

Summary

A woman developed chronic lymphedema in her left arm after wearing a magnetic bracelet. Early diagnosis is crucial for managing this unusual case of upper extremity swelling.

Area of Science:

Medicine
Vascular Medicine
Lymphedema Research

Background:

Lymphedema is a chronic condition characterized by fluid accumulation and tissue swelling, often affecting the limbs.
Constrictive causes of lymphedema are less common than other etiologies like surgery or infection.
Unusual external constrictions can precipitate or exacerbate lymphatic system dysfunction.

Observation:

A 71-year-old woman presented with unilateral left upper extremity swelling.
The swelling began after sleeping with a magnetic health bracelet, suggesting external constriction.
Initial diagnostic workup, including laboratory and radiologic tests, revealed no abnormalities apart from the limb swelling.

Findings:

Lymphoscintigraphy confirmed lymphatic system compromise in the affected upper extremity.

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The patient was diagnosed with chronic lymphedema secondary to external constriction by the bracelet.

The condition was localized to the left arm, highlighting a specific constrictive etiology.

Implications:

This case underscores the importance of a thorough patient history to identify iatrogenic or environmental causes of lymphedema.
Magnetic health bracelets, while marketed for wellness, can pose a risk of inducing lymphatic compromise.
Complete decongestive therapy can offer mild improvement, but prevention and early identification of constrictive sources are paramount.