Data Trace Editor – Discussion: – largest branch of the posterior tibial artery is peroneal artery arising high in leg and coursing downward in posterior compartment lateral to and deeper than the posterior tibial artery; – lies in the deep posterior compartment, just medial to fibula, just posterior to tibialis posterior, and just anterior … Read more
– See: – Innerv. Musc. Lower Limb – Innervation of the Leg and Foot: – Anatomy: – common peroneal nerve is derived from (L4, L5, S1, S2) as a part of the sciatic nerve; – posterior component, supplies short head of biceps femoris in thigh, crosses posterior to lateral head of gastrocnemius, and becomes subQ behind … Read more
– See: TKR Menu: – Peroneal Nerve and Peroneal Nerve Palsy – Nerve Injury from THR – Discussion: – peroneal nerve palsy following TKR usually presents acutely but in some cases there will be a delayed presentation; – risk factors: – use of epidural anesthesia; … Read more
Discussion: – peroneal nerve – peroneal palsy following TKR – nerve injury – discussion: – peroneal nerve palsy may lead to severe disability w/ foot drop and paresthesias; – note that in contrast to other types of nerve palsies, peroneal palsy may … Read more
– See: Peroneus Longus / Peroneus Brevis: – Discussion: – acute dislocation occurs by sudden forced dorsiflexion w/ concomitant eccentric contraction of the peroneal muscles; – classic teaching that the tendon dislocation occurs from a combination of dorsiflexion and eversion (like skiing), where as other authors feel that the injury occurs from dorsiflexion and inversion … Read more
– Discussion: – cartilaginous tumor that arises from surface of cortex deep to the periosteum producing broad based cartilaginous mass that may extend into soft tissues; – often develops after adolescence (in contrast to osteochondroma) – persists as mass of mature cartilage w/o calcification or ossification (in contrast to chondrosarcoma); … Read more
– see: autologous hamstring resurfacing arthroplasty – References: – Technical considerations in periosteal grafting for osteochondral injuries. – [Combination of microfracture and periosteal transplantation techniques for the treatment of full-thickness cartilage defects] – Fresh bone marrow and periosteum transplantation for cartilage defects of the knee. – A retrospective analysis of two independent prospective cartilage repair … Read more
– See: Classic osteosarcoma – Discussion: – uncommon variant of classic osteosarcoma; – primarily affects young adults; – presents as an enlarging, painless mass growing on surface of the bone; – most frequently seen in anterior proximal tibia & the posterior surface of the distal femur; – … Read more
– pts who have had adrenalectomy, adrenal insufficiency, pituitary surgery, renal cell ca, or seminoma therapy should be given supplemental steroids; – previously, it has been recommended that patients who are on steroids or who have taken steroids in the past year be provided with supplemental IV steroids inorder to prevent an adrenal crisis; … Read more
– diffuse ST elevation concave upward and/or diffuse PR depression and/or diffuse T wave inversion; – clinical correlations: – idiopathic, viral Infections, other Infectionsincluding bacterial, fungal and TB, – acute MI, collagen vascular dz, uremia, cancer, Dressler’s syndrome, and Postpericardiotomy syndrome