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24 Possible Causes for Sternocleidomastoid Muscle Wasting

  • Facioscapulohumeral Muscular Dystrophy

    Abstract Facioscapulohumeral muscular dystrophy (FSHD) is an autosomal dominant neuromuscular disorder which maps to chromosome 4qter, distal to the D4S139 locus. The cosmid clone 13E, isolated in a search for homeobox genes, was subsequently mapped to 4q35, also distal to D4S139. A subclone, p13E–11, detects in[…][]

  • Jugular Foramen Syndrome

    Inspection of the muscles may reveal wasting or fasciculations. The 12 th cranial nerve is tested by asking the patient to stick the tongue out straight.[] The sternocleidomastoid is tested by asking the patient to turn the head to the left or right or to anteflect the head against resistance.[]

  • Myotonic Dystrophy

    Abstract Myotonic dystrophy type 1 (DM1), also called Steinert's disease, is a genetic multisystem disorder that has raised, in the last years, high interest because of the high variable clinical spectrum and related disability. Children with myotonic dystrophy are affected by behavioural problems and intellectual[…][]

  • Hughling-Jackson Syndrome

    Abstract Paralysis of the vagal-accessory-hypoglossal nerves has many eponyms. Many cases were caused by injuries in the First World War. Confusion arose because of the varied anatomical sites and varied extent of tissues damaged. Hughlings Jackson’s name is justified by historical precedence, but descriptive[…][]

  • Accessory Nerve Palsy

    muscles, with relative sparing of those innervated by the C5–C6 roots and wasting of the sternocleidomastoids.[] He had mild weakness of the left trapezius muscle with no wasting or weakness of the ipsilateral sternocleidomastoid muscle.[] In SAN palsy, the nerve does not work properly, which affects how the sternocleidomastoid and trapezius muscles work.[]

  • Hereditary Proximal Myopathy with Early Respiratory Failure

    There was wasting of the trapezius, sternocleidomastoid and calf muscles, but each patient had initially bilateral calf hypertrophy (Table 1 ).[] In the U.S. family, we observed characteristic sternocleidomastoid/trapezius muscle weakness and atrophy without scapular winging, and calf hypertrophy that was evident before[] […] muscle wasting has developed with disease progression.[]

  • Oculo-Pharyngo-Distal Myopathy

    He has myotonic facies, with bilateral ptosis, wasting of the temporalis, massater and sternocleidomastoid muscles and frontotemporal balding.[] In the limbs, there is distal weakness and wasting, especially of the finger flexors, intrinsic muscles of the hand and ankle dorsiflexors.[]

  • Distal Myopathy Type 3

    There was symmetrical wasting of trapezius, sternocleidomastoid, supraspinatus, forearm muscles, hand and leg muscles (distal proximal) with winging of scapula associated[]

  • Multicore Myopathy with External Ophthalmoplegia

    EMG recordings showed no evidence of recruitment of the wasted neck accessory muscles (sternocleidomastoid and scalene), whereas electromyograph plus mechanics measurements[] In spontaneous breathing while supine, rib-cage diameters decreased while gastric pressure increased in inspiration, suggesting the weak diaphragm was the main muscle of respiration[]

  • Spasmodic Torticollis

    Document wasting of injected muscles, in particular, the sternocleidomastoid. Ask patients specifically about dysphagia (fluid or solids) before and after injections.[]

Further symptoms