Neuro Exam: Brachial Plexus
– See: – Brachial Plexus – Exam of the Cervical Spine: – Preganglionic Injury – Work Up for Brachial Plexus Injuries: Muscles … Read more
Hand
Neurofibroma / Neurofibromatosis
– See: – Congenital Pseudarthrosis – Sarcoma Menu – Neurofibromatosis Foundation – Discussion: – neurofibroma is a benign tumor of neural origin; – has an autosomal dominant trait w/ variable penetrance & high rate of spontaneous mutation; – it is the most common … Read more
Nerve Repair
– See: … Read more
Nerve Entrapment
– See: – Carpal Tunnel – Cervical Disc Disease – Cubital Tunnel Syndrome – Nerve Entrapment: – w/ entrapment, nerve fibers are not affected uniformly; – superficially located fibers tend to bear the brunt of compression, while central fibers are relatively spared; … Read more
Nerve Injuries in THR
– See: Total Hip Replacement Menu: – arterial injuries: in THR – nerve injury – nerve palsy from TKR – Discussion: – incidence of sciatic (tibial and/or peroneal) &/or femoral palsies after THR ranges from 1-3%; – incidence of nerve palsy is 1-2% of primary … Read more
Natatory Ligament
– Anatomy: – other name for the superficial transverse metacarpal ligament; – these ligamentous fibers extend between the web spaces of the digits, and lie immediately beneath the skin, and helps create web space; – digital nerves & vessels pass deep or dorsal to natatory ligaments; … Read more
Nail Bed Biopsies
– Discussion: – indicated for the diagnosis of nail tumors or unexplained deformities; – may be performed using “punch method” or thru open nail bed biopsy; – open biopsies should use transverse incisions in the nail matrix and longitudinal incisions in the nail bed; – biopsy material should … Read more
Nail Bed Injury / Pathology
– See: – Distal Phalangeal Frx: – Finger Tip Injuries: – Ingrown Toe Nail – Paronychia: – Matriectomy: – Mucous Cyst: – Nail Bed Biopsies: – Anatomy: – nail plate: … Read more
Myelopathy
– Discussion: – characterized by weakness (upper > lower extremity); – ataxic broad based suffling gait, sensory changes; – rarely urinary retention; – anatomy of compression: – anterior cord compression —- protruding disc or posterior osteophytes; – … Read more
Myobacterium marinum
– See: Myobacterium tuberculosis – Discussion: – causes chronic granuloma of the hand or a sub acute inflammation, which may be difficult to distinguish from chronic tenosynovitis or chronic inflammation of the fingers or the hand; – can be confused w/ rheumatoid hand and will temporarily respond to steroid injection; … Read more