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{{Medref|date=September 2017}}
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A '''pseudofracture''', also called a Looser zone, is a diagnostic finding in [[osteomalacia]].
A '''pseudofracture''', also called a [[Emil Looser|Looser]] zone, is a diagnostic finding in [[osteomalacia]].
Pseudofracture also rarely occurs in Paget's disease, hyperparathyroidism, renal osteodystrophy, osteogenesis imperfecta, fibrous dysplasia, and hypophosphatasia.
Pseudofracture also rarely occurs in Paget's disease, hyperparathyroidism, renal osteodystrophy, osteogenesis imperfecta, fibrous dysplasia, and hypophosphatasia.


== Structure ==
== Structure ==

Revision as of 23:31, 14 April 2020

A pseudofracture, also called a Looser zone, is a diagnostic finding in osteomalacia. Pseudofracture also rarely occurs in Paget's disease, hyperparathyroidism, renal osteodystrophy, osteogenesis imperfecta, fibrous dysplasia, and hypophosphatasia.

Structure

A band of bone material of decreased density may form alongside the surface of the bone. Thickening of the periosteum occurs. The formation of callouses in the affected area is also common. This gives the appearance of a false fracture. Typical sites of involvement are the axillary margins of the scapula, ribs, pubic rami, proximal ends of the femur and ulna.

References