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27 Possible Causes for Sternocleidomastoid Muscle Wasting

  • 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.[ruralneuropractice.com] The sternocleidomastoid is tested by asking the patient to turn the head to the left or right or to anteflect the head against resistance.[ruralneuropractice.com]

  • Myotonic Dystrophy

    Myotonic Dystrophy type 2 (DM2) is a multisystemic disorder associated with an expanded [CCTG]n repeat in intron 1 of the CNBP gene. Epigenetic modifications have been reported in many repeat expansion disorders, including myotonic dystrophy type 1 (DM1), either as a mechanism to explain somatic repeat instability[…][ncbi.nlm.nih.gov]

  • Facioscapulohumeral Muscular Dystrophy

    Facioscapulohumeral dystrophy (FSHD) is a rare autosomal dominant muscle disease that affects about 5 in 100,000 individuals. Retinal vascular changes that mimic Coats' disease have been described in previously diagnosed FSHD. We report a diagnosis of FSHD only after the detection of a rare bilateral Coats'[…][ncbi.nlm.nih.gov]

  • 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[…][karger.com]

  • Multicore Myopathy

    EMG recordings showed no evidence of recruitment of the wasted neck accessory muscles (sternocleidomastoid and scalene), whereas electromyograph plus mechanics measurements[ncbi.nlm.nih.gov] 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[ncbi.nlm.nih.gov]

  • Accessory Nerve Palsy

    He had mild weakness of the left trapezius muscle with no wasting or weakness of the ipsilateral sternocleidomastoid muscle.[neurologyindia.com] muscles, with relative sparing of those innervated by the C5–C6 roots and wasting of the sternocleidomastoids.[cmaj.ca] Simply observing the patient may also reveal signs of muscle wasting in the sternocleidomastoid and trapezius in cases of long-standing nerve damage.[teachmeanatomy.info]

  • Oculopharyngodistal Myopathy

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

  • Miyoshi Myopathy

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

  • Lepromatous Leprosy

    muscle in neck Cosmetic importance only Median Antecubital fossa or just proximal to carpal tunnel in wrist Thenar wasting, loss of opposability of thumb, palmar anesthesia[atsu.edu] Posterior tibial Between medial malleolus & heel Clawing of toes, plantar anesthesia Superficial peroneal Winding around neck of fibula Foot drop Greater auricular Crossing sternocleidomastoid[atsu.edu] Damage in Leprosy in Approximate Descending Order of Frequency* NERVE SITE OF ENLARGEMENT MAJOR SEQUELAE Ulnar Elbow & several inches above Clawing of 4th & 5th fingers, wasting[atsu.edu]

  • 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 ).[bmcneurol.biomedcentral.com] In the U.S. family, we observed characteristic sternocleidomastoid/trapezius muscle weakness and atrophy without scapular winging, and calf hypertrophy that was evident before[bmcneurol.biomedcentral.com] […] muscle wasting has developed with disease progression.[bmcneurol.biomedcentral.com]

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