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Muscle Nerve. 2015 Dec;52(6):1008-12. doi: 10.1002/mus.24689. Epub 2015 Jun 1.

Camptocormia as presenting manifestation of a spectrum of myopathic disorders.

Author information

1
Department of Neurology, Boston Children's Hospital, Boston, Massachusetts, USA.
2
Department of Neurology, Mayo Clinic, 200 First Street SW, Rochester, Minnesota, 55905, USA.

Abstract

INTRODUCTION:

Camptocormia is the involuntary flexion of the thoracolumbar spine leading to an abnormal posture.

METHODS:

We retrospectively identified patients with myopathy who manifested with camptocormia and were seen in our neuromuscular clinic. The diagnosis of myopathy was based on myopathic electromyographic changes, often accompanied by 1 or more of the following: elevated creatine kinase (CK); myopathic histopathological findings; and genetic confirmation.

RESULTS:

Fifty-two patients were identified; 35 had symptoms limited to camptocormia, but were found to have additional weakness of facial (8 patients), neck (11 patients), and limb muscles (17 patients). CK values were normal or mildly to moderately elevated. MRI/CT of the spine showed paraspinal muscle atrophy and fat replacement. Facioscapulohumeral muscular dystrophy and sporadic inclusion body myositis were the most commonly identified myopathies in this cohort.

CONCLUSIONS:

Despite the difficulty in characterizing the myopathy in patients with camptocormia, a definitive diagnosis was possible in 54% of cases. The pattern of associated extra-axial weakness may provide clues to the diagnosis.

KEYWORDS:

axial myopathy; bent spine syndrome; camptocormia; muscle weakness; myopathy

Comment in

PMID:
25900737
DOI:
10.1002/mus.24689
[Indexed for MEDLINE]

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