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Ataxia-pancytopenia...
Ataxia-pancytopenia syndrome with SAMD9L mutations
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- Gorcenco, Sorina (author)
- Lund University,Lunds universitet,Neurologi, Lund,Sektion IV,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Klinisk neurogenetik,Forskargrupper vid Lunds universitet,Neurology, Lund,Section IV,Department of Clinical Sciences, Lund,Faculty of Medicine,Clinical Neurogenetics,Lund University Research Groups
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- Komulainen-Ebrahim, Jonna (author)
- Oulu University Hospital
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- Nordborg, Karin (author)
- Skåne University Hospital
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- Suo-Palosaari, Maria (author)
- University of Oulu
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- Andréasson, Sten (author)
- Lund University,Lunds universitet,Oftalmologi, Lund,Sektion IV,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Klinisk forskning kring familjer med ärftliga näthinnesjukdomar,Forskargrupper vid Lunds universitet,Ophthalmology, Lund,Section IV,Department of Clinical Sciences, Lund,Faculty of Medicine,Clinical research in families with inherited retinal degeneration,Lund University Research Groups
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- Krüger, Johanna (author)
- University of Oulu
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- Nilsson, Christer (author)
- Lund University,Lunds universitet,Neurologi, Lund,Sektion IV,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Neurology, Lund,Section IV,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Kjellström, Ulrika (author)
- Lund University,Lunds universitet,Oftalmologi, Lund,Sektion IV,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Klinisk forskning kring familjer med ärftliga näthinnesjukdomar,Forskargrupper vid Lunds universitet,Ophthalmology, Lund,Section IV,Department of Clinical Sciences, Lund,Faculty of Medicine,Clinical research in families with inherited retinal degeneration,Lund University Research Groups
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- Rahikkala, Elisa (author)
- University of Oulu
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- Turkiewicz, Dominik (author)
- Skåne University Hospital
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- Karlberg, Mikael (author)
- Lund University,Lunds universitet,Öron-, näs- och halssjukdomar, Lund,Sektion IV,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Otorhinolaryngology (Lund),Section IV,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Nilsson, Lars (author)
- Lund University,Lunds universitet,Avdelningen för hematologi och transfusionsmedicin,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Hematology and Transfusion Medicine,Department of Laboratory Medicine,Faculty of Medicine
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- Cammenga, Jörg (author)
- Lund University,Lunds universitet,Linköping University Hospital
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- Tedgård, Ulf (author)
- Lund University,Lunds universitet,Enheten för pediatrisk hematologi,Forskargrupper vid Lunds universitet,Pediatrisk hematologi,Paediatric Hematologic Research Group,Lund University Research Groups,Paediatric Haematology Research Unit
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- Davidsson, Josef (author)
- Lund University,Lunds universitet,Avdelningen för molekylär hematologi,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Molecular Hematology (DMH),Department of Laboratory Medicine,Faculty of Medicine
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- Uusimaa, Johanna (author)
- Oulu University Hospital
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- Puschmann, Andreas (author)
- Lund University,Lunds universitet,Neurologi, Lund,Sektion IV,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Klinisk neurogenetik,Forskargrupper vid Lunds universitet,Neurology, Lund,Section IV,Department of Clinical Sciences, Lund,Faculty of Medicine,Clinical Neurogenetics,Lund University Research Groups
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(creator_code:org_t)
- 2017
- 2017
- English 7 s.
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In: Neurology: Genetics. - 2376-7839. ; 3:5
- Related links:
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http://dx.doi.org/10... (free)
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
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- OBJECTIVE: We describe the neurologic, neuroradiologic, and ophthalmologic phenotype of 1 Swedish and 1 Finnish family with autosomal dominant ataxia-pancytopenia (ATXPC) syndrome and SAMD9L mutations.METHODS: Members of these families with germline SAMD9L c.2956C>T, p.Arg986Cys, or c.2672T>C, p.Ile891Thr mutations underwent structured interviews and neurologic and ophthalmologic examinations. Neuroimaging was performed, and medical records were reviewed. Previous publications on SAMD9L-ATXPC were reviewed.RESULTS: Twelve individuals in both families were affected clinically. All mutation carriers examined had balance impairment, although severity was very variable. All but 1 had nystagmus, and all but 1 had pyramidal tract signs. Neurologic features were generally present from childhood on and progressed slowly. Two adult patients, who experienced increasing clumsiness, glare, and difficulties with gaze fixation, had paracentral retinal dysfunction verified by multifocal electroretinography. Brain MRI showed early, marked cerebellar atrophy in most carriers and variable cerebral periventricular white matter T2 hyperintensities. Two children were treated with hematopoietic stem cell transplantation for hematologic malignancies, and the neurologic symptoms of one of these worsened after treatment. Three affected individuals had attention deficit hyperactivity disorder or cognitive problems. Retinal dysfunction was not previously reported in individuals with ATXPC.CONCLUSIONS: The neurologic phenotype of this syndrome is defined by balance or gait impairment, nystagmus, hyperreflexia in the lower limbs and, frequently, marked cerebellar atrophy. Paracentral retinal dysfunction may contribute to glare, reading problems, and clumsiness. Timely diagnosis of ATXPC is important to address the risk for severe hemorrhage, infection, and hematologic malignancies inherent in this syndrome; regular hematologic follow-up might be beneficial.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Neurologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Neurology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Medicinsk genetik (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Medical Genetics (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Hematologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Hematology (hsv//eng)
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- art (subject category)
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- By the author/editor
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Gorcenco, Sorina
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Komulainen-Ebrah ...
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Nordborg, Karin
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Suo-Palosaari, M ...
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Andréasson, Sten
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Krüger, Johanna
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Nilsson, Christe ...
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Kjellström, Ulri ...
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Rahikkala, Elisa
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Turkiewicz, Domi ...
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Karlberg, Mikael
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Nilsson, Lars
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Cammenga, Jörg
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Tedgård, Ulf
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Davidsson, Josef
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Uusimaa, Johanna
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Puschmann, Andre ...
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- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Neurology
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Basic Medicine
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and Medical Genetics
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Hematology
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Neurology: Genet ...
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Lund University