A case of squamous cell carcinoma of the nasal cavity having a preoperative diagnosis of carcinoma in situ

Abstract

We report a case of squamous cell carcinoma of the nasal cavity which was diagnosed as Bowen's disease (carcinoma in situ). A 21-year-old man came to hospital complaining of nasal congestion. A diagnosis of Bowen's disease was made by biopsy. A mass lesion was indentified based on his right nasal cavity and exclusion productive shade by the computed tomography image (CT), and magnetic resonance imaging (MRI). The tumor mass had reached the anterior cranial base and epipharynx.
We need to treat the tumor as carcinoma in situ, and initial choices of surgical procedures were considered on the basis of sufficient safety margin and extirpation without residual lesion.
An intranasal tumorectomy with external nasal dissection, anterior cranial base dissection, and forearm flap reconstruction were performed. The ultimate pathological outcome was squamous cell carcinoma. Even in light of the diagnosis of carcinoma in situ, we believe that radical consideration of the optimal procedure is preferable including extended resection for cases of images indicating suspected invasive cancer.