Case of thyroid transcription factor-1-positive neuroendocrine carcinoma of the sphenoid sinus with bone metastases

• Main Authors: Kohei Inomata (Author), Hidenori Yokoi (Author), Masachika Fujiwara (Author), Yasuaki Kimura (Author), Yuma Matsumoto (Author), Shoji Naito (Author), Arisa Ohara (Author), Naohiro Okano (Author), Hiroshi Kamma (Author), Koichiro Saito (Author)
• Format: Book
• Published: Elsevier, 2021-06-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Malignant tumors in the sinonasal region are rare and account for only 0.2-0.8% of all cancers and 1-3% of all head and neck carcinomas. Among the confirmed cases, the involvement of the sphenoid sinus is even rarer, accounting for only 2-3% of paranasal sinus tumors (Osguthorpe et al., 1994; Esposi...