Childhood-onset anti-MuSK antibody positive myasthenia gravis demonstrates a distinct clinical course.

Abstract:

:Anti-muscle-specific tyrosine kinase antibody (MuSK-Ab) is the second most frequent autoantibody identified in adult patients with myasthenia gravis (MG). Adult patients with MuSK-Ab demonstrate characteristic clinical features but very little information is available for childhood-onset patients with MuSK-positive MG. We report a childhood-onset female patient with MuSK-positive MG. This patient showed basic clinical features compatible with adult-onset MuSK-positive MG, but some features, including spontaneous improvement, are distinct from those in adult patients. Serial examination of MuSK-Ab titers revealed a gross correlation with clinical severity despite significantly high titers throughout the clinical course. Therefore, childhood-onset MuSK-positive MG may demonstrate a distinct clinical characteristics in the early period of illness.

journal_name

Brain Dev

journal_title

Brain & development

authors

Takahashi Y,Sugiyama M,Ueda Y,Itoh T,Yagyu K,Shiraishi H,Ukeba-Terashita Y,Nakanishi M,Nagashima T,Imai T,Motomura M,Saitoh S

doi

10.1016/j.braindev.2011.12.014

subject

Has Abstract

pub_date

2012-10-01 00:00:00

pages

784-6

issue

9

eissn

0387-7604

issn

1872-7131

pii

S0387-7604(12)00005-8

journal_volume

34

pub_type

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