PMC9799331_01
(A-D) Chest CT showing a large tumor in the hilum of the right lung, and multiple bilateral pulmonary nodules. (E-H) FDG- positron emission tomography/CT showing high accumulation of FDG in each lesion. FDG, fluorodeoxyglucose.
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F1
The tumor in the trachea obstructed the main right bronchial opening viewed in the bronchoscope (A). After vascular thrombosis therapy, the tumor reduced (B).
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F2
Then, the patient underwent bronchoscopy with a transbronchial biopsy, which revealed neoplasia in the bronchus blocking the opening of the right main bronchus (Figure 2A).
Immunohistochemical stains showed positive staining of the tumor cells for CD31, CD34, Fli-1, CK, Vimentin, FVIII, CD10, and Ki-67 (20%). Desmin, Actin, SMA, CD68, TTF-1, P53, S-100, and LCA were negative in the tumor cells.
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F3
Desmin, Actin, D68, TTF-1, P53, S-100, and LCA were negative in the tumor cells (Figure 3).
(A) The patient's chest CT examination conducted for the first time showed multiple nodules located in the bilateral lobe, the right main bronchus was obstructed which caused pulmonary atelectasis in the right upper lobe. (B) The chest CT examination after vascular intervention showed recruitment of the superior lobe of the right lung. (C) In contrast to the previous chest CT, the most recent chest CT showed a reduction in tumor size.
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F4
He has since been followed for more than a year and showed stabilization of the disease (Figure 4).