Looser's zones

(redirected from pseudofractures)

Looser's zones

[lō′zərz]
Etymology: Emil Looser, Swiss physician, 1877-1936
transverse translucent bands, sometimes symmetric, seen radiographically in the cortex of bones affected with osteomalacia or certain other deficiency diseases.

Looser's zones

pseudofractures (i.e. demineralized bands) noted on radiograph, characteristic of adult osteomalacia, childhood rickets, vitamin D deficiencies
References in periodicals archive ?
The pathognomonic finding of OM is Looser's zones or pseudofractures, a thin transverse band of rarefaction, which can be seen on roentgenograms (1).
Bone scintigraphy revealed multiple areas of increased activity in the ribs along with the previous findings, all of which were found to be compatible with pseudofractures (Figure 2).
At the end of the fourteenth month, there was a progressing healing of the pseudofracture at the left superior pubic rami while the other areas had already recovered radiologically (Figure 3,4).
He addresses anatomy, biomechanics, radiography, computed tomography, myelography, mechanisms of injury, a system for assessing radiologic signs of vertebral injury, vertebral stability and instability, and normal variants and pseudofractures.
82%) patients which included genu varum in 9, genu valgum in 2, wind swept deformity in 1, bilateral coxa vara in 1, protrusio acetabulae in 1, fractures in 5, pseudofractures in 3, and lytic bone lesions with osteosclerotic margin over acetabular roof in 1 patient (Fig.
Pseudofractures were seen on radiographic examination, and typical findings of osteomalacia were found on bone examination.
Radiological features with specificity include widened and irregular epiphyseal line, metaphyseal splaying widening and cupping, pseudofractures, Harris lines of arrested growth and findings of secondary hyperparathyroidism.
Wide prevalence of clinically overt osteomalacia/rickets and associated pseudofractures could be due to VDD related low peak bone mass in Asian Indians.