Comparison of clinical characteristics between congenital fiber type disproportion myopathy and congenital myopathy with type 1 fiber predominance

Sang Jun Na, Woo Kyung Kim, Tai Seung Kim, Seong Woong Kang, Eun Young Lee, Youngchul Choi

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Congenital myopathies are clinical and genetic heterogeneous disorders characterized by skeletal muscle weakness and specific structural changes in muscle fiber. Congenital myopathy with fiber type disproportion (CFTD)) is an established disorder of congenital myopathy. CFTD is characterized by non-progressive childhood neuromuscular disorders with a relatively good prognosis and type 1 fiber predominance and smallness. Congenital myopathy with type 1 fiber predominance (CMT1P) is also a distinct entity of congenital myophathy characterized by non-progressive childhood neuromuscular disorders and type 1 fiber predominance without smallness. Little is known about CMT1P. Clinical characteristics, including dysmorphic features such as hip dislocation, kyphoscoliosis, contracture, and high arch palate, were analyzed along with laboratory and muscle pathologies in six patients with CMT1P and three patients with CFTD. The clinical manifestations of CFTD and CMT1P were similar. However, the frequency of dysmorphic features is less in CMT1P than in CFTD. Long term observational studies of CMT1P are needed to determine if it will change to another form of congenital myopathy or if CMT1P is a distinct clinical entity.

Original languageEnglish
Pages (from-to)513-518
Number of pages6
JournalYonsei medical journal
Volume47
Issue number4
DOIs
Publication statusPublished - 2006 Jan 1

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Congenital Structural Myopathies
Myotonia Congenita
Muscles
Inborn Genetic Diseases
Hip Dislocation
Palate
Muscle Weakness
Contracture
Observational Studies
Skeletal Muscle

All Science Journal Classification (ASJC) codes

  • Medicine(all)

Cite this

Na, Sang Jun ; Kim, Woo Kyung ; Kim, Tai Seung ; Kang, Seong Woong ; Lee, Eun Young ; Choi, Youngchul. / Comparison of clinical characteristics between congenital fiber type disproportion myopathy and congenital myopathy with type 1 fiber predominance. In: Yonsei medical journal. 2006 ; Vol. 47, No. 4. pp. 513-518.
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Comparison of clinical characteristics between congenital fiber type disproportion myopathy and congenital myopathy with type 1 fiber predominance. / Na, Sang Jun; Kim, Woo Kyung; Kim, Tai Seung; Kang, Seong Woong; Lee, Eun Young; Choi, Youngchul.

In: Yonsei medical journal, Vol. 47, No. 4, 01.01.2006, p. 513-518.

Research output: Contribution to journalArticle

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