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18F-AV45 PET-CT screening for systemic amyloidosis: A case report
1Zhuji People's Hospital of Zhejiang Province, Shaoxing, China.
Medicine
|April 14, 2025
Summary
Systemic AL amyloidosis, a complex disease, is often misdiagnosed due to atypical symptoms. Early diagnosis of this multi-system disorder is crucial for improving patient prognosis.
Area of Science:
- Hematology
- Oncology
- Internal Medicine
Background:
- Systemic AL amyloidosis presents with diverse clinical manifestations, making early diagnosis challenging.
- The disease affects multiple organ systems, impacting patient prognosis significantly.
Purpose of the Study:
- To highlight the importance of early diagnosis in Systemic AL amyloidosis, particularly in cases with atypical presentations.
- To discuss diagnostic strategies for AL amyloidosis when pathological confirmation is difficult.
Main Methods:
- Review of a case with initial presentation of liver enlargement and abnormal liver function.
- Discussion of diagnostic tools including conventional echocardiography, screening, and imaging.
- Pathology as the gold standard, with consideration of 18F-florbetapir PET-CT and tissue biopsy for indirect diagnosis.
Main Results:
- Systemic AL amyloidosis is frequently misdiagnosed due to non-specific symptoms and imaging findings.
- Atypical presentations, such as isolated liver involvement, can delay definitive diagnosis.
Conclusions:
- Early and accurate diagnosis of AL amyloidosis, even with atypical manifestations, is vital for improving outcomes.
- 18F-florbetapir PET-CT and less invasive tissue biopsies offer alternative diagnostic pathways when pathology is challenging.
