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A 61-year-old man presented with a 2-year history of progressive hoarseness. He has a 30 pack-year of smoking history. The stroboscopic examination revealed paralysed left vocal cord with asymmetrical motion of arytenoid cartilage (figure 1; online supplement video 1). Under clinical suspicion of lung malignancy, diagnostic imaging modalities were performed. Contrast-enhanced chest CT demonstrated a soft tissue tumour in the middle mediastinum, extending into the aortopulmonary window (asterisk, figure 2). He was diagnosed …
Y-PL and T-SC contributed equally.
Contributors Y-PL and T-SC drafted the manuscript. F-ZW was involved in image preparation and revising the manuscript.
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 Not required.
Provenance and peer review Not commissioned; internally peer reviewed.
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