The cause of aseptic necrosis of the femur in a 13 year old boy was found to be a vascular malformation, a so called Hoyer-Grosser's glomangioma. The local insufficiency of the circulation caused by an arteriovenous or lymphohaemangiomatous anomaly clinically manifested itself in the period of puberty, when functional demands rose. It can be assumed that necrosis arose without any symptoms and healed unnoticed. Later process of the organization was followed by sequestration. The latter might have been caused by raised functional demands or by a non axial loading, which in Holland because of the frequency of bicycles occurs very often.
|Number of pages||5|
|Journal||Morphologiai es Igazsagugyi Orvosi Szemle|
|Publication status||Published - Jan 1 1979|
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