Neurology Research International

Research Article

Peripheral Nerve Ultrasonography in Chronic Inflammatory Demyelinating Polyradiculoneuropathy and Multifocal Motor Neuropathy: Correlations with Clinical and Neurophysiological Data

Correlations between MRC score and corresponding ultrasonographic data in different muscles/nerves.


Muscle	Ultrasonographic data		Correlation coefficient	value

Flexor carpi radialis (median nerve)		CIDP		0.223
		MMN		0.654
	Abnormal fascicles	CIDP		0.674
	Abnormal fascicles	MMN		0.378
	Intranerve variability	CIDP	−0.588	0.001
	Intranerve variability	MMN		0.993

First dorsal interosseous (ulnar nerve)		CIDP		0.276
		MMN		0.932
	Abnormal fascicles	CIDP		0.717
	Abnormal fascicles	MMN		0.813
	Intranerve variability	CIDP	−0.314	0.048
	Intranerve variability	MMN		0.834

Tibialis anterior (peroneal nerve)	CSA popliteal fossa	CIDP		0.145
	CSA popliteal fossa	MMN		0.737
	CSA fibular head	CIDP		0.228
	CSA fibular head	MMN		0.954
	Abnormal fascicles	CIDP		0.324
	Abnormal fascicles	MMN		0.194

Gastrocnemius/soleus (tibial nerve)	CSA popliteal fossa	CIDP		0.132
	CSA popliteal fossa	MMN		0.868
	CSA ankle	CIDP		0.250
	CSA ankle	MMN		0.213
	Abnormal fascicles	CIDP		0.146
	Abnormal fascicles	MMN		0.423

CSA: cross-sectional area (mm²).
MRC: medical research council.