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Osteoid Osteoma Can Occur at the Pars Interarticularis of the Lumbar Spine, Leading to Misdiagnosis of Lumbar Spondylolysis.
- Source :
-
The American journal of case reports [Am J Case Rep] 2018 Feb 26; Vol. 19, pp. 207-213. Date of Electronic Publication: 2018 Feb 26. - Publication Year :
- 2018
-
Abstract
- BACKGROUND Osteoid osteomas are benign bone-forming tumors characterized by local inflammation and pain. They are also characterized by a small osteolytic lesion (nidus). Spondylolysis is a defect of the pars interarticularis, which may lead to stress fractures, and is a common cause of low back pain in adolescence. Osteoid osteoma occurs predominantly in the posterior elements of the spine. Magnetic resonance imaging (MRI) signal abnormality suggesting bone marrow edema is a common finding in osteoid osteoma and early-stage spondylolysis without prominent defect. CASE REPORT An 18-year-old male was suffering from low back pain. He was diagnosed with lumbar spondylolysis on initial MRI and computed tomography (CT). Subsequent thin-slice CT demonstrated a nidus at the pars interarticularis, and variously-sliced MRI could detect widespread bone marrow edema. On the diagnosis of an osteoid osteoma, the nidus and surrounding osteosclerosis were resected. The patient's pain disappeared after surgery. CONCLUSIONS Osteoid osteoma in the pars interarticularis can be difficult to diagnosis, because MRI and CT findings for osteoid osteoma at the pars interarticularis are similar to those of the lumbar spondylolysis. The possibility of osteoid osteoma should be kept in mind when examining adolescents with low back pain.
- Subjects :
- Adolescent
Bone Neoplasms diagnostic imaging
Bone Neoplasms surgery
Diagnosis, Differential
Diagnostic Errors
Humans
Low Back Pain diagnosis
Low Back Pain etiology
Lumbar Vertebrae diagnostic imaging
Lumbar Vertebrae pathology
Magnetic Resonance Imaging methods
Male
Multidetector Computed Tomography methods
Orthopedic Procedures methods
Osteoma, Osteoid diagnostic imaging
Risk Assessment
Spinal Neoplasms diagnostic imaging
Spinal Neoplasms surgery
Spondylosis diagnostic imaging
Spondylosis surgery
Treatment Outcome
Bone Neoplasms diagnosis
Osteoma, Osteoid diagnosis
Osteoma, Osteoid surgery
Spinal Neoplasms diagnosis
Spondylosis diagnosis
Subjects
Details
- Language :
- English
- ISSN :
- 1941-5923
- Volume :
- 19
- Database :
- MEDLINE
- Journal :
- The American journal of case reports
- Publication Type :
- Academic Journal
- Accession number :
- 29479057
- Full Text :
- https://doi.org/10.12659/ajcr.907438