Secondary amyloidosis CT scan
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Shyam Patel [2]; Associate Editor(s)-in-Chief: Shaghayegh Habibi, M.D.[3] Sahar Memar Montazerin, M.D.[4]Sabawoon Mirwais, M.B.B.S, M.D.[5]
Overview
CT scan can be done to assess for amyloid deposition in particular organs. It can also be done to rule out other causes of organ dysfunction. However, MRI is more sensitive than CT in the diagnosis of amyloidosis.
CT scan
In hepatic amyloidosis, CT scan findings may include:
- Liver enlargement with heterogeneous decreased attenuation
- Asymmetric and triangular hepatomegaly with the apex at the falciform ligament (due to mild atrophic change of the lateral border of both hepatic lobes)
- Parenchymal calcification (rare)
In renal amyloidosis, CT scan findings may include:
- Kidney enlargement with heterogeneous decreased attenuation
- Parenchymal calcification (rare)
In cardiac amyloidosis, CT scan findings may include[1]:
- Heart enlargement with heterogeneous decreased attenuation
- Cardiac calcifications
- Pericardial effusion (rare)
Images
References
- ↑ Falk RH, Quarta CC, Dorbala S (2014). "How to image cardiac amyloidosis". Circ Cardiovasc Imaging. 7 (3): 552–62. doi:10.1161/CIRCIMAGING.113.001396. PMC 4118308. PMID 24847009.
- ↑ Case courtesy of Dr Natalie Yang, Radiopaedia.org, rID: 6711
- ↑ Case courtesy of Dr Bruno Di Muzio, Radiopaedia.org, rID: 60156
- ↑ Case courtesy of Melbourne Uni Radiology Masters, Radiopaedia.org, rID: 41138