case_images: PMC3285053_01
case_images: Tracheal computed tomography. A circumferential tracheal tumor caused a reduction of her caliber.
case_images: 1752-1947-6-40-1.jpg
case_images: PMC3285053_01_1752-1947-6-40-1.jpg
case_images: F1
case_images: Computed tomography (CT) of her chest with a three-dimensional reconstruction confirmed the presence of thickening of her tracheal wall tissue; it was circumferential and irregular, causing a significant reduction in her tracheal caliber (Figure 1a, b).
case_images: Bronchoscopy findings. Circumferential and irregular tracheal tumor with a significant reduction of her tracheal caliber.
case_images: 1752-1947-6-40-2.jpg
case_images: PMC3285053_01_1752-1947-6-40-2.jpg
case_images: F2
case_images: The carina was normal (Figure 2).
case_images: Tracheal biopsy and histology findings. (a) A tracheal biopsy revealed a chorion occupied by massive amyloid deposits. (b) Intense staining by anti-lambda light chain antibodies confirming the diagnosis of an amyloid light-chain amyloid tumor.
case_images: 1752-1947-6-40-3.jpg
case_images: PMC3285053_01_1752-1947-6-40-3.jpg
case_images: F3
case_images: The tracheal biopsies revealed a chorion occupied by massive amyloid deposits (Figure 3a). An immunohistochemical analysis showed intense staining by anti-lambda light chain antibodies confirming the diagnosis of an amyloid light-chain (AL) amyloid tumor (Figure 3b).