Sinonasal undifferentiated carcinoma a case report

Introduction: Neoplasms of the nasal cavities and paranasal sinuses always require urgent diagnostics tests to determine their malignancy and plan of the treatment. Both benign and malignant tumours have initially similar, unilateral symptoms nasal obstruction, bleeding, runny nose. Malignant neoplasms of the nasal cavities and paranasal sinuses are characterized by aggressive growth, fast infiltration of the surrounding structures (including the orbit and skull base) and metastasize to the regional lymph nodes. The prognosis of the patients survival the best improves the early diagnosis. Case report: In ou r case report, the unilateral lacrimation was not properly interpreted as a first tumour symptom. A dacryocy-storhinostomy was performed without prior diagnostic imaging, which significantly delayed the diagnosis.