pseudarthrosis


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pseudarthrosis

 [so̳″ahr-thro´sis]
a pathologic entity characterized by deossification of a weight-bearing long bone, followed by bending and pathologic fracture, with inability to form normal callus; this leads to existence of the “false joint” that gives the condition its name.

pseu·dar·thro·sis

(sū'dar-thrō'sis),
A new, false joint arising at the site of an ununited fracture.
[pseud- + G. arthrōsis, a joint]

pseu·dar·thro·sis

(sūd'ahr-thrō'sis)
A new, false joint arising at the site of an ununited fracture.
Synonym(s): false joint, pseudoarthrosis.
[pseud- + G. arthrōsis, a joint]

pseudarthrosis

A false fibrous joint that may form at the site of an ununited fracture. Occasionally a pseudarthrosis is deliberately induced to allow movement after the failure of a hip replacement operation.

pseu·dar·thro·sis

(sūd'ahr-thrō'sis)
A false joint arising at the site of an ununited fracture.
Synonym(s): false joint.
[pseud- + G. arthrōsis, a joint]
References in periodicals archive ?
Wanget al., "Pedicle subtraction osteotomy through pseudarthrosis to correct thoracolumbar kyphotic deformity in advanced ankylosing spondylitis," European Spine Journal, vol.
compared CT images with reoperation findings in symptomatic pseudarthrosis patients and reported that CT was not reliable in identifying these patients.
[sup][6],[14] While satisfactory clinical outcome has been reported after in situ fusion, this procedure is associated with higher rates of pseudarthrosis and slip progression.
(2-4) Abnormal motion may lead to an osteophytic spur at the pseudarthrosis, which may also impinge on the cuff.
Possible causes can be divided into primary (congenital fibular pseudarthrosis, spina bifida, cerebral palsy, hemophilic arthropathy, fibular physeal arrest, tibiofibular synostosis before skeletal maturity, longitudinal fibular deficiency) and compensatory mechanisms (secondary to deformities above or below the ankle joint).
There were no reoperations for pseudarthrosis or any other postoperative complication.
Caption: Figure 3 Pseudarthrosis and shortening of the femur were managed by drilling the nonunion area and insertion of IMN with its proximal locking.
These were used for the reconstruction of large segmental defects in benign bone tumours of the extremities and pseudarthrosis of the tibia.
From an orthopedic point of view, he developed a crankshaft phenomenon of his spinal fusion and pseudarthrosis across his lumbosacral junction over the course of 8 years after surgery (Figure 4).
The Sauve-Kapandji procedure is a combination of creating a pseudarthrosis at the level of the metadyaphysis of the distal ulna with an arthrodesis of the DRUJ while preserving the head of the ulna.
The procedure also requires a long recovery period and carries a considerable risk of pseudarthrosis [2, 3, 18], and a large amount of bone needs to be harvested when an iliac bone graft is used.