Unknown primary large-cell neuroendocrine tumor

• Main Authors: Sara Póvoa (Author), Daniela Azevedo (Author), Cristiana Marques (Author), Helena Barroca (Author), Andreia Costa (Author)
• Format: Book
• Published: University of São Paulo, 2018-06-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Large-cell neuroendocrine tumors (NETs) are poorly differentiated malignancies of rare incidence and aggressive nature. NETs mostly arise in the lung followed by the gastrointestinal tract, although they are potentially ubiquitous throughout the body. Primary unknown NET has a worse prognosis and sh...