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Case Reports
. 2015 Jul;3(7):626-8.
doi: 10.1002/ccr3.282. Epub 2015 Jun 5.

Pulmonary amyloidosis mimicking prostate cancer metastasis

Soichiro Natsume  1 , Yoshiro Nakahara  1 , Tatsuru Okamura  1 , Tsunekazu Hishima  2
Affiliations
Case Reports

Pulmonary amyloidosis mimicking prostate cancer metastasis

Soichiro Natsume et al. Clin Case Rep. 2015 Jul.

Abstract

Localized nodular pulmonary amyloidosis is rare. However, the disease should be considered in the differential diagnosis of multiple lung nodules.

Keywords: Localized nodular pulmonary amyloidosis; lung metastasis; prostate cancer; solitary lung nodule.

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Figures

Figure 1
Figure 1
Chest computed tomography showed multiple nodular shadows in bilateral lung fields.
Figure 2
Figure 2
An F-18 fluorodeoxyglucose positron emission tomography (FDG-PET) scan was then performed, but no FDG uptake was observed in these nodules.
Figure 3
Figure 3
(A) Homogeneous deposition of eosinophilic amorphous material was seen in a resected nodule and direct fast scarlet (DFS) stained the deposited material red. (B) The deposited material showed positive immunostaining results for k chain. (C) Polarizing microscopy showed green birefringence of the deposited material stained by DFS.
See this image and copyright information in PMC

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