Document Detail

Tumefactive demyelination: clinical, imaging and follow-up observations in thirty-nine patients.
MedLine Citation:
PMID:  23277913     Owner:  NLM     Status:  Publisher    
PURPOSE: We describe the clinical, neuroimaging and pathological features and therapeutic outcome in a large cohort of 39 patients with tumefactive demyelination. MATERIALS AND METHODS: A retrospective audit of 39 patients with 'tumefactive demyelination' was performed. The demographic, clinical, MR imaging and pathological details were reviewed. RESULTS: The clinical course was monophasic (n = 22) or relapsing-remitting (n = 17). Common neurological manifestations at presentation included hemiparesis - 27; ataxia - 11; vomiting - 10; headache -9; ophthalmoplegia - 7; seizure - 5; impaired vision - 4; aphasia - 4; visual field defects - 3; papilloedema - 5; extrapyramidal - 5; intellectual decline - 5; behavioural disturbances - 3; altered sensorium - 5. MRI revealed fronto-parietal lesions, which were isolated in 14 (36%) patients. Moderate perilesional oedema and/or mass effect was noted in 12 (30.8%) patients. Post-contrast MR sequences revealed partial ring enhancement in 15, complete ring in seven, patchy enhancement in six, uniform enhancement in two and lack of enhancement in nine cases. Clinical and MR characteristics did not help distinguish between monophasic and relapsing-remitting subgroups. In the monophasic group, 53.8% had complete recovery, while 38.5% had partial improvement (follow-up duration, 8.31 ± 9.3 months). In the relapsing-remitting subgroup, the median time to relapse was 4 months (n = 12, follow-up, 37.8 ± 39.4 months). Patients with monophasic course or single relapse received steroids. Patients with more than one relapse received cyclophosphamide (2), mycophenolate (1), azathioprine (1) or methotrexate (1). CONCLUSIONS: A high proportion of cases of tumefactive demyelination follow a relapsing course, thus necessitating a long-term follow-up. MRI, although helpful in diagnosis, does not predict monophasic or relapsing-remitting course. Guidelines for the management of acute episodes and prevention of relapses are required.
M Nagappa; A B Taly; S Sinha; R D Bharath; A Mahadevan; P S Bindu; J S Saini; C Prasad; S K Shankar
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-31
Journal Detail:
Title:  Acta neurologica Scandinavica     Volume:  -     ISSN:  1600-0404     ISO Abbreviation:  Acta Neurol. Scand.     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2013-1-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370336     Medline TA:  Acta Neurol Scand     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 John Wiley & Sons A/S.
Department of Neurology, National Institute of Mental Health and NeuroSciences (NIMHANS), Bangalore, India.
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