Document Detail

Idiopathic trigeminal neuropathy with trigeminal mass lesion on MRI: Neoplasm or not?
MedLine Citation:
PMID:  20656708     Owner:  NLM     Status:  In-Process    
The objective of the present study was to investigate clinical and magnetic resonance imaging (MRI) features of idiopathic trigeminal neuropathy with transient MR abnormalities mimicking a neoplasm (ITNmn). We retrospectively evaluated clinical and MRI features in two cases of ITNmn seen in our institution in comparison with those of previously reported five cases. The most common symptom was altered facial sensation and numbness limited to one or more trigeminal nerve divisions (100%). ITNmn commonly affected not only the second and third divisions (86% and 57%, respectively) but also the first division (71%). The most common findings on MRI were enlargement and gadolinium enhancement of the trigeminal nerve, which were similar to those seen in neoplasms (100%). The abnormalities spontaneously regressed in all five evaluable cases. ITNmn should be added in the differential diagnosis of non-specific mass-like lesions in trigeminal neuropathy and be observed carefully without surgical treatment.
Keita Sakurai; Masaki Hara; Kenji Okita; Shoji Kawashima; Takemori Yamawaki; Yuta Shibamoto
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Publication Detail:
Type:  Journal Article     Date:  2010-03-17
Journal Detail:
Title:  Cephalalgia : an international journal of headache     Volume:  30     ISSN:  1468-2982     ISO Abbreviation:  Cephalalgia     Publication Date:  2010 Aug 
Date Detail:
Created Date:  2010-07-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8200710     Medline TA:  Cephalalgia     Country:  England    
Other Details:
Languages:  eng     Pagination:  968-74     Citation Subset:  IM    
Department of Radiology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan.
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