Medical Malpractice Insurance for orthopaedic surgeons

Chronic Heel Pain

– Diff Dx:  – stress fractures (identified on 45 deg medial oblique view)   – inflammatory arthritides (RA or Reiter’s Syndrome)  – plantar fasciitis  – distal tibial tarsal syndrome   – heel pad atrophy;  – after the age of 40, the adipose tissue begins to atrophy, w/ resulting loss of absorbency

Chondroitin and Keratin Sulfate

– Discussion:     – two major glycosaminoglycans w/ in cartilage ground substance consist of chondroitin sulfate and keratan sulfate;     – both of these substances are covalently attached to the core protein of proteoglycan;     – their concentration and distribution w/ in matrix vary considerably according to age, type of cartilage, & … Read more

Chondrolysis

– Discussion:     – pins penetration of joint is a leading cause of chondrolysis;           – penetration by a single screw (which is immediately removed) has a low incidence of chondrolysis;     – if chondrolysis or AVN develops, early osteoarthritis is more likely;     – some pts w/ chondrolysis … Read more

Chondrolysis Following SCFE

– Discussion:     – rapid, progressive loss of joint space on radiographs and associated loss of clinical hip motion;     – pins penetration of joint is a leading cause of chondrolysis;             – penetration by a single screw (which is immediately removed) has a low incidence of chondrolysis;     – if chondrolysis or AVN … Read more

Chondral and Osteochondral Injuries of the Knee

– See: Knee Joint Menu – Discussion: – articular cartilage injury and potential for repair; – rotational forces in direct trauma is the most common cause of injury to the articular cartilage; – in adults, the tidemark zone is the weak link between the overlying cartilage and subchondral bone and therefore shearing injuries most often … Read more

Chevron Osteotomy

– Discussion: – in this procedure, a “V” shaped osteotomy of the distal metatarsal is created, which allows the first MT head to be shifted laterally, correcting the abnormal shape from long standing valgus drift; – effect on blood supply:            – Circulatory disturbance of the first metatarsal head after Chevron osteotomy as shown by … Read more

Chiari Osteotomy

(See also: Acetabular Osteotomies) Discussion a acetabular osteotomy salvage procedure which is indicated in patients without a concentrically reducible hip; modified shelf osteotomy above acetabulum w/ medial displacement of acetabulum; distal fragment is displaced medially and upward as osteotomy hinges on the symphysis pubis; hip capsule is interposed between newly formed acetabular roof & femoral head; relies … Read more

Cervical Spondylosis

– See: – Cervical Stenosis: – Central Cord Syndrome – Soft Disc Protrusion: – SCIWORA Syndrome – Uncovertebral joints – Discussion: – refers to a combination of degenerative disc disease and osteophyte formation; – cervical spondylosis typcially begins to be seen at age 40-50, is seen in men > women, & most common occurs at … Read more