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Osteonecrosis: Difference between revisions
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<section begin="orthopaedics" /><section begin="orthopaedics hip" /><section begin="orthopaedics" /><section begin="radiology" />'''Osteonecrosis''', also called '''avascular necrosis''', refers to ischaemic necrosis of bone caused by impaired blood supply. It may affect any part of the bone but most commonly the knee and femoral head. It's most common in children and adolescents.<section end="radiology" /><section end="orthopaedics hip" /> | <section begin="orthopaedics foot" /><section begin="orthopaedics" /><section begin="orthopaedics hip" /><section begin="orthopaedics" /><section begin="radiology" />'''Osteonecrosis''', also called '''avascular necrosis''', refers to ischaemic necrosis of bone caused by impaired blood supply. It may affect any part of the bone but most commonly the knee and femoral head. It's most common in children and adolescents.<section end="radiology" /><section end="orthopaedics hip" /><section end="orthopaedics foot" /> | ||
See also [[osteonecrosis of the foot]] and [[osteonecrosis of the hip]], both of which most commonly occur in children. | See also [[osteonecrosis of the foot]] and [[osteonecrosis of the hip]], both of which most commonly occur in children. | ||
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== Osteonecrosis in children and adolescents == | == Osteonecrosis in children and adolescents == | ||
* Osgood-Schlatter disease | * Osgood-Schlatter disease | ||
** Avascular necrosis of the tibial tuberosity (the insertion of the quadriceps) | ** Avascular necrosis of the tibial tuberosity (the insertion of the quadriceps) | ||
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** Occurs in children, male > female | ** Occurs in children, male > female | ||
** Idiopathic | ** Idiopathic | ||
* Kohler disease | <section begin="orthopaedics foot" />* Kohler disease | ||
** Avascular necrosis of the navicular bone of the foot | ** Avascular necrosis of the navicular bone of the foot | ||
** Occurs in children, male > female | ** Occurs in children, male > female | ||
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** It’s self-limiting, so conservative treatment with NSAIDs and immobilization is the only treatment | ** It’s self-limiting, so conservative treatment with NSAIDs and immobilization is the only treatment | ||
*** No role for surgery | *** No role for surgery | ||
* Osteonecrosis of the 2nd metatarsal head (Freiberg disease) | * Osteonecrosis of the 2nd metatarsal head (Freiberg disease) | ||
** In adolescents (13 – 18) | ** In adolescents (13 – 18) | ||
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** It’s self-limiting, so conservative treatment with NSAIDs and immobilization is the only treatment | ** It’s self-limiting, so conservative treatment with NSAIDs and immobilization is the only treatment | ||
*** A soft heel pad decreases the pressure on the calcaneus | *** A soft heel pad decreases the pressure on the calcaneus | ||
*** No role for surgery | *** No role for surgery<section end="orthopaedics foot" /> | ||
== Osteonecrosis in adults == | == Osteonecrosis in adults == | ||
<section begin="orthopaedics hip" /> | <section begin="orthopaedics hip" /> | ||