– Discussion: – irreducible dorsal dislocation of the navicular on the talus w/ fixed talo-navicular complex; – CVT is a common cause of rigid flat foot, which can be isolated, or can occur with chromosomal abnormalities, myeloarthropathies (myelomeningocele), & neurologic disorders; – pathoanatomy: … Read more
– See: myopathic disorders: – Discussion: – congenital myopathies are a group of different conditions, w/ variable genetic patterns of inheritance, that lead to muscle weakness in infancy and early childhood; – include central core disease, nemaline myopathy, myotubular myopathy, congenital fiber type disproportion, and centronuclear myopathy; – children w/ congenital myopathies present as … Read more
– See: – Anterolateral Bowing – Neurofibromatosis – Discussion: – is rare, occurring equally in girls and boys; – disease is almost always unilateral; – acute frxs occur during first 2 yrs of life, usually shortly after birth. – … Read more
– Discussion: – this fracture most commonly splits off a single condyle, resulting in disruption of the joint and angular deformity of the finger; – common atheletic injury; – best diagnosed with an oblique x-ray; – can be mistreated as sprain which results in finger angulation and … Read more
– Discussion: – see considerations for sliding screw placement – osseous anatomy of proximal femur dictates where internal fixation device should be placed for maximum purchase in femoral head; – maximum bone density is found in the area where compression & tension trabeculae coalesce in center of head; … Read more
– See: – Absent Thumb – Annular Band Syndrome – Camptodactyly – Delta Phalanx – Hypoplastic Thumb – Lobster Hand – Macrodactyly: – Pouce Flottant Thumb – Polydactyly … Read more
– Charnley Method: – compression arthrodesis as accomplished by Charnley shows little consideration of biomechanical principles; – he used one talar pin & one tibial pin w/ compression between them; – pin is placed anterior in the talus so posterior pull of the Achilles tendon will keep the arthrodesis compressed; – this provides stability in only … Read more
– Discussion: – flexible flatfoot: may be divided into congenital and acquired forms: – congenital flat foot: – idiopathic – valgus hindfoot deformity in CP … Read more
– Detached Deltoid: – deltoid tendon & muscle that are reattached to raw acromial bone edge can pull away if they are improperly attached – if deltoid detachment occurs, it should be repaired as soon as possible, because if fixed contracture of deltoid develops little can be done; – Axillary Nerve Injury: … Read more
– Hematoma: – Infection associated with hematoma formation after shoulder arthroplasty – Fractures – fractures may occur at the tip of the prosthesis; – long oblique and spiral fractures can be treated non operatively as long as good alignment is maintained; – transverse or short oblique fractures may not … Read more