National Center for Advancing and Translational Sciences Genetic and Rare Diseases Information Center, a program of the National Center for Advancing and Translational Sciences

Myelocerebellar disorder



Other Names:
Ataxia-pancytopenia syndrome
Categories:

The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs.
orphanet

Orpha Number: 2585

Definition
A rare genetic disease characterized by cerebellar ataxia, cytopenias and predisposition to bone marrow failure and myeloid leukaemia. Neurologic features variably include slowly progressive cerebellar ataxia or balance impairment with cerebellar atrophy and periventricular white matter T2 hyperintensities in brain MRI, horizontal and vertical nystagmus, dysmetria, dysarthria, pyramidal tract signs and reduced nerve conduction velocity. Hematological abnormalities are variable and may be intermittent and include cytopenias of all cell lineages, immunodeficiency, myelodysplasia and acute myeloid leukemia.

Visit the Orphanet disease page for more resources.
Last updated: 5/1/2018

This table lists symptoms that people with this disease may have. For most diseases, symptoms will vary from person to person. People with the same disease may not have all the symptoms listed. This information comes from a database called the Human Phenotype Ontology (HPO) . The HPO collects information on symptoms that have been described in medical resources. The HPO is updated regularly. Use the HPO ID to access more in-depth information about a symptom.

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Medical Terms Other Names
Learn More:
HPO ID
80%-99% of people have these symptoms
Aplasia/Hypoplasia of the cerebellum
Absent/small cerebellum
Absent/underdeveloped cerebellum
[ more ]
0007360
Ataxia 0001251
Cerebellar atrophy
Degeneration of cerebellum
0001272
Unsteady gait
Unsteady walk
0002317
30%-79% of people have these symptoms
Abnormal macrophage morphology 0004311
Abnormality of neutrophils 0001874
Acute myelomonocytic leukemia 0004820
Hyperreflexia
Increased reflexes
0001347
Hypoplastic anemia 0001908
Neurological speech impairment
Speech disorder
Speech impairment
Speech impediment
[ more ]
0002167
Nystagmus
Involuntary, rapid, rhythmic eye movements
0000639
Recurrent respiratory infections
Frequent respiratory infections
Multiple respiratory infections
respiratory infections, recurrent
Susceptibility to respiratory infections
[ more ]
0002205
Splenomegaly
Increased spleen size
0001744
5%-29% of people have these symptoms
Abnormal platelet function 0011869
Decreased circulating antibody level 0004313
Distal sensory impairment
Decreased sensation in extremities
0002936
Microcephaly
Abnormally small skull
Decreased circumference of cranium
Decreased size of skull
Reduced head circumference
Small head circumference
[ more ]
0000252
Pancytopenia
Low blood cell count
0001876
1%-4% of people have these symptoms
Abnormality of the cerebral white matter 0002500
Percent of people who have these symptoms is not available through HPO
Anemia
Low number of red blood cells or hemoglobin
0001903
Ankle clonus
Abnormal rhythmic movements of ankle
0011448
Autosomal dominant inheritance 0000006
Babinski sign 0003487
Decreased nerve conduction velocity 0000762
Dysarthria
Difficulty articulating speech
0001260
Dysmetria
Lack of coordination of movement
0001310
Hyperactive deep tendon reflexes 0006801
Impaired vibration sensation in the lower limbs
Decreased lower limb vibratory sense
Decreased vibratory sense in lower limbs
Decreased vibratory sense in the lower extremities
Decreased vibratory sense in the lower limbs
Diminished vibratory sensation in the legs
[ more ]
0002166
Neutropenia
Low blood neutrophil count
Low neutrophil count
[ more ]
0001875
Thrombocytopenia
Low platelet count
0001873
Variable expressivity 0003828
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Last updated: 7/1/2020

If you need medical advice, you can look for doctors or other healthcare professionals who have experience with this disease. You may find these specialists through advocacy organizations, clinical trials, or articles published in medical journals. You may also want to contact a university or tertiary medical center in your area, because these centers tend to see more complex cases and have the latest technology and treatments.

If you can’t find a specialist in your local area, try contacting national or international specialists. They may be able to refer you to someone they know through conferences or research efforts. Some specialists may be willing to consult with you or your local doctors over the phone or by email if you can't travel to them for care.

You can find more tips in our guide, How to Find a Disease Specialist. We also encourage you to explore the rest of this page to find resources that can help you find specialists.

Healthcare Resources


These resources provide more information about this condition or associated symptoms. The in-depth resources contain medical and scientific language that may be hard to understand. You may want to review these resources with a medical professional.

In-Depth Information

  • The Monarch Initiative brings together data about this condition from humans and other species to help physicians and biomedical researchers. Monarch’s tools are designed to make it easier to compare the signs and symptoms (phenotypes) of different diseases and discover common features. This initiative is a collaboration between several academic institutions across the world and is funded by the National Institutes of Health. Visit the website to explore the biology of this condition.
  • Online Mendelian Inheritance in Man (OMIM) is a catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine. 
  • Orphanet is a European reference portal for information on rare diseases and orphan drugs. Access to this database is free of charge.
  • PubMed is a searchable database of medical literature and lists journal articles that discuss Myelocerebellar disorder. Click on the link to view a sample search on this topic.

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