Annals of Indian Academy of Neurology
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Year : 2012  |  Volume : 15  |  Issue : 3  |  Page : 211-213

Hip dysplasia associated with a hereditary sensorimotor polyneuropathy mimics a myopathic process

1 Department of Physical Medicine and Rehabilitation, Shiraz University of Medical Sciences, Shiraz, Iran
2 Department of Physical Medicine and Rehabilitation; Burn Research Center, Shiraz University of Medical Sciences, Shiraz, Iran

Correspondence Address:
Alireza Ashraf
Department of Physical Medicine and Rehabilitation Faghihi Hospital, Zand Avenue, Shiraz, Fars
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-2327.99722

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Some orthopedic complications have been reported in the hereditary neuropathies. However, the association of the hip dysplasia with this category of neuropathy is rarely recognized. We present a 13-year-old boy with the progressive weakness of the lower extremities, difficulty in walking, climbing stairs, and rising from floor; a wide-based, hyper-extended and waddling gait similar to a myopathic process. Hip radiography showed dysplastic acetabulae with hip subluxation, broken Shenton's lines, and valgus femoral necks. In electrodiagnosis, there was a significant neuropathic process (absent all evoked sensory potentials, abnormal evoked motor responses, and neurogenic electeromyography) which eventually was found to be a hereditary mixed axonal and demyelinating sensorimotor polyneuropathy with concomitant hip dysplasia confirmed with thorough physical examination and the electrodiagnostic study. In patients with gait difficulties such as waddling gait mimicking a myopathic process, hereditary polyneuropathy complicated with hip dysplasia should be considered as well.

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