Myocardial Uptake of 68Ga-Pentixafor in a Patient With Systemic Amyloidosis.
case_report · Level V
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- Record sourced from PubMed, PMID 36342801.
- Also identified by DOI 10.1097/RLU.0000000000004406.
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Abstract
A 55-year-old man presented with chest tightness and lower-limb edema for 1 year. Laboratory and imaging examinations suggested cardiac amyloidosis. Both 18F-FDG and 68Ga-pentixafor PET/CT showed increased uptake in the myocardium of the left ventricle, whereas the bone marrow had diffusely mild uptake of 68Ga-pentixafor without bone destruction. 99mTc-MDP bone scintigraphy also detected extraosseous uptake in the heart, gut, kidneys, and soft tissue. The biopsy of the abdominal subcutaneous fat confirmed amyloid deposits, and the patient was finally diagnosed with primary systemic amyloidosis. This case demonstrated that cardiac amyloidosis might show increased 68Ga-pentixafor uptake in myocardium.
Medical subject headings
- Positron Emission Tomography Computed Tomography
- Amyloidosis