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Related Experiment Videos

Multiple sclerosis or HTLV-I myelitis?

C M Poser1, G C Roman, J C Vernant

  • 1Neurological Unit, Beth Israel Hospital, Boston, MA 02215.

Neurology
|July 1, 1990
PubMed
Summary

Antibodies to Human T-lymphotropic virus type I (HTLV-I) are found in multiple sclerosis (MS) patients, raising diagnostic questions. Specific criteria are proposed to differentiate MS from HTLV-I-associated chronic myelitis.

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Area of Science:

  • Neurology
  • Immunology
  • Virology

Background:

  • Presence of Human T-lymphotropic virus type I (HTLV-I) antibodies in patients with multiple sclerosis (MS) has been reported.
  • The etiologic significance of HTLV-I antibodies in MS remains controversial.
  • This finding necessitates careful diagnostic evaluation to distinguish MS from HTLV-I-associated myelitis.

Purpose of the Study:

  • To provide diagnostic criteria for differentiating multiple sclerosis (MS) from HTLV-I-associated chronic myelitis.
  • To guide clinicians in cases where HTLV-I antibodies are detected in MS patients.

Main Methods:

  • Review of existing literature on HTLV-I antibodies in MS patients.
  • Establishment of a set of diagnostic criteria for HTLV-I-associated chronic myelitis.

Main Results:

  • The presence of HTLV-I antibodies alone is insufficient for diagnosing HTLV-I-associated chronic myelitis.
  • At least two specific additional abnormalities are recommended for diagnosis.

Conclusions:

  • Careful consideration and specific diagnostic criteria are essential when HTLV-I antibodies are found in MS patients.
  • Recommended criteria include peripheral nerve/muscle involvement, oligoclonal bands, specific lymphocyte morphology, syphilis, sicca syndrome, or pulmonary lymphocytic alveolitis.

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