Brachial and lumbar plexuses in chronic inflammatory demyelinating polyradiculoneuropathy: MRI assessment including apparent diffusion coefficient

Adachi, Yuko; Sato, Noriko; Okamoto, Tomoko; Sasaki, Masayuki; Komaki, Hirofumi; Yamashita, Fumio; Kida, Jiro; Takahashi, Tomoyuki; Matsuda, Hiroshi

doi:10.1007/s00234-010-0684-7

Cited by 81 publications

(62 citation statements)

References 18 publications

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“…High signal intensity in DWI sequences and increased values of the apparent diffusion coefficient (ADC) were detected in 55.6 % of cases in a small cohort of 13 CIDP patients, which might be strictly correlated with proliferating layers of Schwann cells and increased endoneurial collagen surrounding the axons [28].…”

Section: Magnetic Resonance Imaging and Ultrasound In Cidpmentioning

confidence: 98%

Neuroimaging in diagnosis of atypical polyradiculoneuropathies: report of three cases and review of the literature

et al. 2015

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Neuroimaging is increasingly used in the study of peripheral nerve diseases, and sometimes may have a pivotal role in the diagnostic process. We report on three patients with atypical chronic inflammatory polyradiculoneuropathy (CIDP) in whom magnetic resonance imaging (MRI) and nerve Ultrasound (US) were crucial for a correct diagnostic work-out. A literature review on MRI and US in acquired demyelinating polyneuropathies is also provided. Awareness of the imaging features of CIDP will assist in confirmation of the diagnosis, institution of the appropriate therapy, and prevention of inadequate or delayed treatment in atypical CIDP.

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Section: Magnetic Resonance Imaging and Ultrasound In Cidpmentioning

confidence: 98%

Neuroimaging in diagnosis of atypical polyradiculoneuropathies: report of three cases and review of the literature

et al. 2015

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“…Hyperintensity and hypertrophy of cervical nerves and nerve roots using T2‐weighted short tau inversion recovery (STIR) magnetic resonance imaging (MRI) techniques have been described in patients with various types of demyelinating inflammatory neuropathies, including multifocal motor neuropathy (MMN) (Van Es et al., 1997), chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) (Adachi et al., 2011; Sinclair et al., 2011; Van Es et al., 1997), Lewis‐Sumner syndrome (LSS) (Rajabally, Knopp, Martin‐Lamb, & Morlese, 2014; Van den Berg‐Vos et al., 2000), and polyneuropathy associated with IgM monoclonal gammopathy (Eurelings, Notermans, Van de Donk, & Lokhorst, 2001). Abnormalities on MR imaging of the brachial plexus are an argument for inflammatory neuropathies, particularly when nerve conduction studies are not fully conclusive.…”

Section: Introductionmentioning

confidence: 99%

Brachial plexus magnetic resonance imaging differentiates between inflammatory neuropathies and does not predict disease course

et al. 2017

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ObjectiveThe main objective of this study was to evaluate the correlation between the distribution of brachial plexus magnetic resonance imaging (MRI) abnormalities and clinical weakness, and to evaluate the value of brachial plexus MRI in predicting disease course and response to treatment in multifocal motor neuropathy (MMN), Lewis‐Sumner syndrome (LSS) and chronic inflammatory demyelinating polyradiculoneuropathy (CIDP).MethodsSixty‐seven patients with an inflammatory neuropathy diagnosed at our tertiary referral center for neuromuscular diseases had undergone bilateral T2‐weighted short tau inversion recovery (STIR) MRI of the brachial plexus. We obtained clinical follow‐up data and scored all MRIs for abnormalities and the symmetry of their distribution.ResultsBrachial plexus MRI abnormalities were detected in 45% of the patients. An abnormal MRI did not predict disease course in terms of patterns of weakness, sensory disturbances or response to treatment. Within the spectrum of radiological abnormalities, asymmetrical clinical syndromes, MMN and LSS were significantly associated with asymmetrical radiological abnormalities, whereas symmetrical abnormalities predominated in CIDP (p < .001, phi 0.791).ConclusionT2 STIR brachial plexus MRI abnormalities correspond with the distribution of neurological deficits in inflammatory neuropathies, but do not correlate with specific clinical characteristics, response to treatment or disease course.

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“…Diffuse nerve lesions may be idiopathic, such as in acquired multifocal motor-sensory neuropathy or chronic inflammatory demyelinating polyneuropathy (CIDP); hereditary motor-sensory neuropathy (HMSN); neurolymphomatosis and leprosy [26][27][28]. These conditions are generally diagnosed on the basis of electrodiagnostic results and clinical/ laboratory findings.…”

Section: Diffuse Peripheral Polyneuropathymentioning

confidence: 99%

Magnetic resonance neurography of median neuropathies proximal to the carpal tunnel

et al. 2012

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Brachial and lumbar plexuses in chronic inflammatory demyelinating polyradiculoneuropathy: MRI assessment including apparent diffusion coefficient

Abstract: STIR is sufficient to assist clinicians in diagnosing CIDP. T1-weighted images and DWIs seemed useful for speculating about the pathological changes in swollen plexuses in CIDP patients.

Cited by 81 publications

References 18 publications

Neuroimaging in diagnosis of atypical polyradiculoneuropathies: report of three cases and review of the literature

Neuroimaging in diagnosis of atypical polyradiculoneuropathies: report of three cases and review of the literature

Brachial plexus magnetic resonance imaging differentiates between inflammatory neuropathies and does not predict disease course

Magnetic resonance neurography of median neuropathies proximal to the carpal tunnel

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