PMC9875374_01
Imaging manifestations of condylar metastasis in contrast-enhanced (CT) and three-dimensional imaging. Contrast-enhanced CT shows a mass (A), bone-window imaging indicates that the condylar bone has been destroyed (B), and coronal position imaging and three-dimensional reconstruction imaging indicate that the condylar bone has been destroyed and fractured (C, D).
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Computed tomography (CT) showed occupancy in the right TMJ subregion, destruction of the condylar bone, and pathological fracture, demonstrating a high possibility of neoplastic lesions ( Figure 1 ).
Imaging of surgical procedure (A-C).
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The mass is gray and red in the section, and the surface of the mass was rough ( Figure 2 ).
Pathological manifestations of hepatocellular metastasis. Hematoxylin-eosin staining (x200) (A). Immunohistochemistry: GPC-3 (x200) (B). Immunohistochemistry: hepatocyte (x200) (C). Immunohistochemistry: Ki-67 (x200) (D).
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Immunohistochemistry revealed positive reactivity to CKpan, GPC-3, Ki-67 (20%), PD-L1 (22C3) (CPS   5), and negative reactivity to hepatocyte, arginase-1, alpha-fetoprotein (AFP), CDX-2, CD31, and CK7 ( Figure 3 ).