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Insights into Imaging
Fig. 4 | Insights into Imaging

Fig. 4

From: Central airway pathology: clinic features, CT findings with pathologic and virtual endoscopy correlation

Fig. 4

Squamous cell carcinoma in a 63-year-old patient, a heavy smoker. (i) Axial CT scan shows a nodular lesion (arrowhead) located on the tracheal carina with an endoluminal and extraluminal component. (ii) Photomicrograph (original magnification, ×20; haematoxylin-eosin stain) shows infiltrating groups of atypical squamous epithelial cells (arrow), with necrotising material in the centre of the epithelial nest (star)

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