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Related Experiment Video

Updated: Jul 27, 2026

Surgical Transplantation of Mouse Neural Stem Cells into the Spinal Cords of Mice Infected with Neurotropic Mouse Hepatitis Virus

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HTLV-I associated myelopathy in a Seychellois immigrant

D Thyagarajan¹, I Bastian, R J Stark

¹Department of Neurology, Alfred Hospital, Prahran, VIC.

The Medical Journal of Australia

|July 5, 1993

Summary

Human T-lymphotropic virus type I (HTLV-I) associated myelopathy was diagnosed in an immigrant. This case highlights the need to consider HTLV-I in unexplained myelopathy, even in low-prevalence countries.

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Experimental Demyelination and Remyelination of Murine Spinal Cord by Focal Injection of Lysolecithin

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Published on: March 26, 2015

Area of Science:

Neurology
Virology
Infectious Diseases

Background:

Human T-lymphotropic virus type I (HTLV-I) is a retrovirus known to cause chronic neurological diseases.
Myelopathy is a significant neurological condition affecting the spinal cord.

Observation:

A 64-year-old woman, an immigrant from the Seychelles, presented with a slowly progressive myelopathy.
Symptoms included sphincter disturbance, back pain, and gait disturbance.
Laboratory tests confirmed HTLV-I infection, with no structural cause found for the myelopathy.

Findings:

The patient's myelopathy was attributed to HTLV-I infection.
Treatment with oral corticosteroids provided no benefit.
The virus was confirmed through serological tests (ELISA, Western blot) and molecular methods (PCR, sequencing).

Implications:

This case demonstrates the presence of HTLV-I associated neurological disease in Australia.
Clinicians should consider HTLV-I as a potential cause of myelopathy, especially in patients with relevant travel or ethnic backgrounds.
Further surveillance for HTLV-I infection may be warranted in specific populations within Australia.