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Fig. 2 | Journal of Medical Case Reports

Fig. 2

From: Intimal angiosarcoma of the thoracic aorta diagnosed by endobronchial ultrasound-guided transbronchial needle aspiration: a case report

Fig. 2

a Rapid on-site evaluation. With Diff-Quick staining, large and pleomorphic cells (blue arrows) are observed, in the background there are red blood cells. b, c Liquid-base cytology, which shows some large, pleomorphic cells and respiratory epithelium. Papanicolaou staining. d Cell block, hematoxylin and eosin staining. Neoplastic lesion, which shows large and pleomorphic cells (blue arrow) with the bronchial wall cartilage (orange arrow). e Cell block, hematoxylin and eosin staining. Cohesive, large, pleomorphic tumor cells with dense chromatin and up to 22 mitosis on 10× magnification. f BCL-2 positive tumor cells. g Calponin positive tumor cells. h Smooth muscle actin positive tumor cells. i CD34 negative tumor cells. j CD31 positive tumor cells. k CKAE1/AE3 negative tumor cells

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