The Hip book

Trauma Fractures

Neuroma

– See: Nerve Injury Menu: – Discussion     – occurs following nerve injury;            – schwann cells at the the site of injury express trophic factors inattempt to regenerate the nerve;            – neuroma occurs with aberant growth at the nerve injury site;       … Read more

Nerves arising from S3

– See: Innervation: – Discussion:     – paresthesias in buttocks are an important sign of possible cord dysfunction;     – since segments S3, S4, S5 are the lowest and most peripheral segments in the spinal cord, an extramedullary lesion           at any level may first compress these fibers and … Read more

Neuro Exam Menu

         – Exam for Spinal Cord Injury:     – Management of the Spine Injured Patient:     – Exam of C Spine:     – Anterior Cord Syndrome     – Amyotrophic Lateral Sclerosis     – Autonomic Dysfunction:     – Back Pain:     – Brachial Plexus – Neuro Exam   … Read more

Nerve Injury

– See: EMG – Nerve Injury Discussion:     – remember that in any case of presumed nerve injury, always consider whether an isolated compartment syndrome had occured;     – neuropraxia:          – least severe injury, is characterized by a conduction block (focal conduction block);          – conduction across the zone of nerve injury is inhibited, … Read more

Necrotizing Soft Tissue Infections

– Discussion:     – necrotizing fascitits is any necrotizing soft tissue infection spreading along fascial planes, with or without overlying cellulitis;      – rapidly progressive inflammation and necrosis of subQ tissues and deep layer of superficial fascia with sparing of deep fascia and muscle;     – also called Meleney ulcer, NF is severe manifestation of … Read more

Natural History of AVN

 Co-authored by Edward Harvey M.D. – Discussion:     – symptomatic hip almost uniformly progresses to further collapse without treatment;     – collapse rates approach greater than 85% in the symptomatic hips, even if first seen in the earliest stages;      – treatment plan for the asymptomatic AVN is controversial;     – approx … Read more

Multiple Cartilaginous Exostoses (Hereditary Exostosis)

– See: Bone Tumor Menu – Discussion:     – an osteochondroma that results from a dysplasia of peripheral growth plate;            – as its name implies, multiple hereditary exostosis is an inherited condition which produces multiple exostoses;     – occurs in 1 out of 50,000 people;     – … Read more