Abstract:
STUDY DESIGN:A case report of a ganglion cyst rising from the anulus pulposus, causing lumbar nerve root compression. OBJECTIVES:A rare pathologic condition causing sciatica is described. The pathologic anatomy and the magnetic resonance image of the lesion is discussed. SUMMARY OF BACKGROUND DATA:A 35-year-old man was subjected to an abrupt twisting motion of the torso during a motor vehicle accident. The patient had a L5-S1 discectomy 1 year before the accident. His low back discomfort and right lower extremity pain were clearly exacerbated by the recent trauma. METHODS:Magnetic resonance imaging revealed enhancing lobulated epidural mass displacing the S1 nerve. RESULTS:Intraoperative findings were a lobulated cystic mass rising from the degenerated anulus fibrosus, determined on histologic examination to be a ganglion cyst. The patient noted significant relief of the right sciatica after surgery. CONCLUSION:The appearance and the signal intensity of the epidural mass appear to be important parameters in diagnosing the presence of a ganglion cyst of the anulus fibrous. Excision of the ganglion cyst is indicated in a patient who fails to respond to conservative treatment and where the symptoms correlate with the abnormality seen with magnetic resonance imaging.
journal_name
Spine (Phila Pa 1976)journal_title
Spineauthors
Kornberg Mdoi
10.1097/00007632-199507150-00013subject
Has Abstractpub_date
1995-07-15 00:00:00pages
1633-5issue
14eissn
0362-2436issn
1528-1159journal_volume
20pub_type
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