Recurrent respiratory papillomatosis is a benign epithelial neoplasm which most frequently affects larynx and trachea and rarely extends to lung parenchyma. Transformation to malignant tumour is distinctly rare. Here we report a well-documented, morphologically proved and surgically treated case of bilateral pulmonary squamous cell carcinoma in a young adult male with recurrent respiratory papillomatosis. The aim of the report is to heighten the awareness of malignant transformation in such patients.
© 2015 Agita Jukna, Ilze Strumfa, Ervins Vasko, Andrejs Vanags, published by Riga Stradins University
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