Olfactory neuroblastoma: A peculiar case showing unusual squamous metaplasia in a late lymph node metastasis

• Main Authors: Hiroshi Harada (Author), Takeharu Ono (Author), Takanori Hirose (Author), Hirohito Umeno (Author), Jun Akiba (Author), Akira Kurose (Author)
• Format: Book
• Published: Elsevier, 2022-03-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Olfactory neuroblastoma is a rare neuroendocrine tumor derived from the olfactory epithelium. We report a case that showed peculiar histology in a late lymph node metastasis. The patient was a 78-year-old Japanese male, who had headache, epistaxis, and nasal obstruction following bloody sputum that...