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Updated: Jul 28, 2026
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ALS - Motor Neuron Disease: Mechanism and Development of New Therapies
Published on: July 29, 2007
Lower motor neuron disease associated with myelofibrosis
1Department of Neurology, Pamukkale University Medical Faculty, Denizli, Turkey.
Clinical Neurology and Neurosurgery
|May 19, 2000
Summary
This case study details a rare instance of myelofibrosis co-occurring with lower motor neuron disease (LMND). Early diagnosis and treatment of myelofibrosis led to symptom improvement in this unique patient presentation.
Area of Science:
- Neurology
- Hematology
- Oncology
Background:
- Myelofibrosis is a rare bone marrow cancer.
- Lower motor neuron disease (LMND) affects nerve cells controlling muscles.
- The co-occurrence of myelofibrosis and LMND is exceptionally rare.
Observation:
- A 64-year-old male presented with painful cramps, muscle weakness, and atrophy.
- Neurological examination revealed signs consistent with lower motor neuron involvement.
- Bone marrow biopsy showed hypercellularity, increased myeloid and megakaryocytic lines, and reticular fiber increase, indicative of myelofibrosis.
Findings:
- Electromyography demonstrated findings typical of denervation and reinnervation, consistent with LMND.
- The patient experienced significant relief from painful cramps with diphenylhydantoin.
- Hydroxyurea treatment for myelofibrosis resulted in improved general condition and resolution of cramps.
Implications:
- This case highlights a previously unreported association between myelofibrosis and LMND.
- It suggests the importance of considering hematological disorders in patients with unexplained neurological symptoms.
- Further research may elucidate shared pathophysiological mechanisms or diagnostic approaches.
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