Jones W, Roberts RE. Pathological Calcification and Ossification in Relation to Leriche and Policard's Theory.
Proc R Soc Med 1933;
26:853-859. [PMID:
19989304 PMCID:
PMC2204674]
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Abstract
(1) Pathology of calcification and ossification.-The Leriche-Policard theories. Hyperaemia of bone causes decalcification. Reduced blood supply causes sclerosis. Diminution of vascularity of fibrous tissue causes calcification. Excess of calcium, adequate blood supply and fibroblasts give rise to bone anywhere. Subperiosteal ossification. "Myositis ossificans."(2) Radiological significance of density of bone shadows.-Decalcification of disuse, of infections, of neoplasms. Traumatic and infective scquestra. Evidence that a fragment of bone is avascular.(3) Hyperaemic decalcification of bone.-Delayed and non-union of fractures. Kummel's disease. Spontaneous hyperaemic dislocation of the atlas. Hyperaemic decalcification and nephrolithiasis.(4) Anaemic sclerosis of bone.-Syphilitic bone disease. Malignant bone disease. Fragility of sclerosed bone-Paget's, Kienboch's, Kohler's and Panner's, Albers-Schönberg's diseases.(5) Pathological calcification.-Calcification of supraspinatus tendon. Calcification of tumours-angioma, haematoma, and thrombosed vessels, lipoma, cysts, etc. Calcification of semilunar cartilages and intervertebral discs.(6) Pathological ossification.-Ossification of tendons. Ossification of semilunar cartilages.
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