Joaquim Marcoval, Laura Martínez-Molina, Montserrat Bonfill-Ortí, Francesc Valentí-Medina
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"Clown nose" as first manifestation of squamous cell carcinoma of the lung.
Background: Skin metastases occur in 0.7% to 9% of all patients with cancer and are usually considered a late event in the evolution of most visceral carcinomas. The development of a nodular metastatic lesion on the nasal tip is known as clown nose sign.
Main observation: We report a 64-year-old man that developed a nodular lesion on his nasal tip as first manifestation of squamous lung carcinoma.
Conclusion: The biopsy of the cutaneous metastasis may be helpful to histopathologically confirm the suspected primary tumour avoiding invasive diagnostic procedures.
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