MRI findings of benign monomelic amyotrophy of lower limb

Tadanori Hamano, Tatsuro Mutoh, Mikio Hirayama, Keita Ito, Masumi Kimura, Takashi Aita, Kazuhiro Kiyosawa, Tetsuo Ohtaki, Masaru Kuriyama

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

We report here magnetic resonance imaging (MRI) findings of two patients with benign monomelic amyotrophy of lower limb. Both subjects showed unilateral amyotrophy of the lower limb with a benign clinical course, and the affected muscles demonstrated neurogenic changes. On T1- and T2-weighted MRI, marked atrophy and increased signal intensity were found mainly in gastrocnemius and soleus muscles. Moreover, MRI examination also revealed that thigh muscles including semitendinosus, semimembranosus, and vastus intermedius and lateralis muscles were involved in one of the patients. We concluded that muscle MRI is very useful for detecting affected muscles, especially deep skeletal muscles in patients with benign monomelic amyotrophy of lower limb. Copyright (C) 1999 Elsevier Science B.V.

Original languageEnglish
Pages (from-to)184-187
Number of pages4
JournalJournal of the Neurological Sciences
Volume165
Issue number2
DOIs
Publication statusPublished - 01-06-1999
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Neurology
  • Clinical Neurology

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