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Results for “Intervertebral Disc Displacement”

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PubMed2003

Schmorl's node developing in the lumbar vertebra affected with metastatic carcinoma: correlation magnetic resonance imaging with histological findings.

STUDY DESIGN: Described is magnetic resonance (MR) imaging of unusual Schmorl's node occurring in the lumbar vertebra affected with metastatic carcinoma. OBJECTIVE: To know MR features of Schmorl's node with a neoplastic background. SUMMARY OF BACKGROUND DATA: Schmorl's nodes occasionally develop in the vertebrae affected with metastatic carcinoma; however, their MR images have been rarely illustrated. METHODS: The spinal column dissected from a 65-year-old man who died of esophageal carcinoma was examined. Specimen radiographs and MR images were correlated to histologic sections. RESULTS: T1-weighted spin-echo image revealed intervertebral disc displacement into the second lumbar vertebra, which showed intermediate signal intensity, and a surrounding area of lower signal intensity. Short T1 inversion recovery image exhibited a crescent area of high signal intensity surrounding a focus of intermediate signal intensity. CONCLUSIONS: MR features consisting of two different signal patterns are characteristic for Schmorl's node with a neoplastic background. The conditions should be distinguished from Schmorl's nodes in an acute phase, which show similar MR features.

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