Sphenoid sinus neuroendocrine carcinoma

Area of Science:

• Oncology
• Radiology
• Pathology

Background:

• Neuroendocrine tumours (NETs) are epithelial neoplasms characterized by neuroendocrine differentiation.
• Neuroendocrine carcinomas (NECs) in the nasal cavity and paranasal sinuses are exceptionally rare.
• Published literature on sinonasal NECs is limited, highlighting the need for case reports.

Observation:

• A 64-year-old male presented with symptoms indicative of a sinonasal mass.
• Diagnostic imaging, specifically Magnetic Resonance Imaging (MRI), was utilized to evaluate the lesion.
• The MRI revealed characteristic findings associated with a neuroendocrine carcinoma.

Findings:

• The patient was diagnosed with a neuroendocrine carcinoma originating in the sphenoid sinus.
• MRI demonstrated specific features aiding in the diagnosis and localization of the tumor.
• Histopathological confirmation of neuroendocrine differentiation was established.

Implications:

• This case contributes to the scarce literature on sinonasal neuroendocrine carcinomas.
• Understanding the MRI characteristics is crucial for early diagnosis of these rare tumors.
• Further research into the management and outcomes of sinonasal NECs is warranted.