Compressed Pineal Gland by Cavum Velum Interpositum Cyst on 68Ga-DOTATATE PET/CT: A Potential Pitfall in Interpretation.
case_report · Level V
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- Record sourced from PubMed, PMID 40553630.
- Also identified by DOI 10.1097/RLU.0000000000006035.
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Abstract
A 6-year-old boy with high-risk neuroblastoma underwent 123I-MIBG SPECT/CT, which did not reveal any abnormal 123I-MIBG accumulation. Subsequently, 68Ga-DOTATATE PET/CT demonstrated focal abnormal 68Ga-DOTATATE accumulation in the left ventricle, with no other abnormal radiotracer uptake noted elsewhere. Brain MRI revealed a cavum velum interpositum cyst compressing the pineal gland. The distribution 68Ga-DOTATATE within the compressed pineal gland on follow-up PET/CT was consistent with initial 68Ga-DOTATATE PET/CT findings. On the basis of this case, increased 68Ga-DOTATATE uptake within the compressed pineal gland represents a potential diagnostic pitfall in 68Ga-DOTATATE PET/CT imaging.
Medical subject headings
- Pineal Gland
- Organometallic Compounds
- Positron Emission Tomography Computed Tomography
- Cysts