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An 81-year-old woman presented with a 1-year history of chronic cough and progressive breath shortness. Physical examination was notable for wheezing. Her laboratory test results were normal. The chest contrast-enhanced CT scan revealed a cauliflower-like lesion in the upper third dorsolateral trachea, and an artery in the stalk of the tumour was observed (figure 1A,B). Considering the potential of massive bleeding during bronchoscopic resection, artery embolisation was performed. Angiography showed that the feeding artery originated from the thyrocervical trunk (figure 2A). Gelatin sponge particles were used to embolise the feeding artery (figure 2B). Then, the patient was transported to the bronchoscopy room for tumour resection (figure 2C). Finally, the tumour was entirely resected with mild bleeding. Histopathological examination suggested that the histological type of this lesion was squamous cell papilloma (SCP) (figure 2D).
Originating from squamous cell epithelium, SCP is a rare benign tumour that has the potential of malignant transformation.1 Smoking, age above 40 years and infections with HPV serotype 16 or 18 are risk factors that increase the chance of malignant transformation.2 3 In cases with an aberrant artery in the stalk of the SCP, selected artery embolisation is an effective way to reduce bleeding.
Footnotes
YL and KR contributed equally.
Contributors All authors contributed equally.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient consent for publication Parental/guardian consent obtained.
Provenance and peer review Not commissioned; externally peer reviewed.
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