Concomitant ATTR and AL Cardiac Amyloidosis With Matching 99m Tc-DPD Scintigraphy and 18 F-Flutemetamol PET/CT.
case_report · Level V
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- Record sourced from PubMed, PMID 39988789.
- Also identified by DOI 10.1097/RLU.0000000000005784.
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Abstract
Two distinct types of systemic amyloidosis-transthyretin (ATTR) and light chain (AL)-account for the majority of cardiac amyloidosis (CA), which have been considered mutually exclusive. Diagnostic confusion can arise when both proteins are identified from an amyloid deposit. We present a rare occurrence of histopathologically confirmed concomitant ATTR and AL CA captured on 99m Tc-3,3-diphosphono-1,2-propanodicarboxylic acid (DPD) scan and 18 F-flutemetamol (FMM) PET/CT.
Medical subject headings
- Amyloid Neuropathies, Familial
- Amyloidosis
- Aniline Compounds
- Benzothiazoles
- Diphosphonates
- Organotechnetium Compounds
- Positron Emission Tomography Computed Tomography