Hirayama disease (HD) is characterized by the juvenile onset of unilateral or asymmetric
weakness and amyotrophy of the hand and ulnar forearm and is most common in males in …

Abstract Purpose of Review: This article reviews the clinical features, diagnostic pathway,
therapies, and current understanding of the pathophysiology of amyotrophic lateral sclerosis …

Hirayama disease is a benign, self-limiting cervical myelopathy first brought to attention by
Hirayama 1 in 1959. During the past half century, researches have established this disease …

Objective To analyze the role of multisegmental spinal instability in the pathogenesis of
Hirayama disease. Material and Methods From June 2014 to January 2016, the authors …

Background: Hirayama disease (HD) is benign focal amyotrophy of the distal upper limbs,
often misdiagnosed as motor neuron disease. Routine magnetic resonance imaging (MRI) is …

Hirayama disease (HD) is a rare, benign, and nonprogressive motor neuron disease (MND)
affecting the upper limbs. It usually presents with weakness and amyotrophy in a single …

OBJECTIVE: Forward shifting of the posterior cervical dural sac is the most important sign in
diagnosing Hirayama disease but can also be seen in normal subjects, causing potential …

BACKGROUND AND PURPOSE: Most studies of HD have been conducted in Asia,
particularly Japan. To characterize the MR imaging findings of North American patients with …

BACKGROUND AND PURPOSE: Hirayama disease is a benign focal amyotrophy of the
distal upper limbs involving C7, C8, and T1 segmental myotomes with sparing of the …

The objective of the study was to study the magnetic resonance imaging (MRI) features of
Hirayama disease on a 3 Tesla MRI scanner. Nine patients with clinically suspected …