Related Experiment Video
Updated: Oct 5, 2026

08:16
Utility of Dissociated Intrinsic Hand Muscle Atrophy in the Diagnosis of Amyotrophic Lateral Sclerosis
Published on: March 4, 2014
Difficulty of early diagnosis of amyotrophic lateral sclerosis: Japanese case studies
1Department of Neurology, Jichi Medical School, Tochigi, Japan. inakano@jichi.ac.jp
Abstract:
An early diagnosis of amyotrophic lateral sclerosis can be difficult to establish in patients with atypical features such as unilateral crural amyotrophy or showing motor symptoms and signs of overlapping conditions like cervical spondylosis, unless these patients are followed over long periods of time. Here we describe three such cases from our hospital in Japan.

