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  • Title: [Diagnostic value of spinal puncture-biopsy in non-infectious spinal diseases. Apropos of 41 cases].
    Author: Cortet B, Coquerelle P, Cotten A, Delambre C, Chastanet P, Duquesnoy B, Delcambre B.
    Journal: Rev Rhum Ed Fr; 1994; 61(7-8):505-11. PubMed ID: 7833886.
    Abstract:
    To evaluate the diagnostic value of percutaneous vertebral biopsy in noninfectious diseases of the spine, we retrospectively studied 41 cases seen between 1985 and 1992. The level of the lesion was lumbar in 29 cases, thoracic in 11, and cervical in one. There were 19 crush fractures, 11 lytic lesions, six sclerotic lesions, and three mixed lesions. The biopsy was done because of an abnormal magnetic resonance imaging signal in one patient and because of epiduritis in another. The thoracic and lumbar biopsies were done under x-ray guidance using the technique developed by Laredo and Bard. Computed tomography guidance was used for the cervical biopsy. There were no adverse events. The final histological diagnosis was metastatic disease in 17 cases (41.5%), myeloma or plasmacytoma in six cases (14.7%), primary vertebral neoplasia in two cases (4.8%), lymphoma in one case (2.4%), osteoporosis in nine cases (22%), Paget's disease in three cases (7.4%), amyloidosis in one case (2.4%), aseptic osteitis in one case (2.4%), and vertebral necrosis in one case (2.4%). A second biopsy procedure was done in three patients (surgically in two cases and percutaneously in one) because of discrepancies between histological findings and other data. The final diagnosis was metastatic disease in all three patients. Overall, the diagnostic yield of percutaneous vertebral biopsy was 92.6% and varied little with initial roentgenographic or computed tomographic findings. However, yield was only 56% for the diagnosis of tumorous lesions, with variations according to roentgenographic and computed tomographic changes, 90.1% for osteolytic lesions, 66.6% for mixed lesions, 47.4% for crush fractures, and 16.6% for sclerotic lesions.(ABSTRACT TRUNCATED AT 250 WORDS)
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