"Mini Brain" Appearance in Spinal Metastasis From Type A Thymoma Detected by 18 F-FDG PET/CT.
case_report · Level V
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- Record sourced from PubMed, PMID 39480215.
- Also identified by DOI 10.1097/RLU.0000000000005540.
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Abstract
A 66-year-old man presented with persistent dull pain in the lower back for over 7 months. An expansile lytic lesion in the L4 vertebral body showed a characteristic "mini brain" appearance on MRI, which is highly suggestive of plasmacytoma. 18 F-FDG PET/CT scan revealed increased FDG uptake in the L4 lesion, with an additional finding of a mass in the anterior mediastinum that showed mild FDG uptake. Lumbar surgery and complete resection of the anterior mediastinum tumor confirmed spinal metastatic type A thymoma, which was classified as p-T1aN0M1b, stage IVb. The patient's condition improved postsurgery and chemotherapy, with long-term follow-up necessary due to recurrence risk.
Medical subject headings
- Fluorodeoxyglucose F18
- Positron Emission Tomography Computed Tomography
- Thymoma
- Spinal Neoplasms
- Brain
- Thymus Neoplasms