Introduction: Etoposide-platinum (EP) chemotherapy has long stood as the reference treatment of grade 3 neuroendocrine neoplasms (G3 NEN). However, G3 NEN are heterogeneous, including well differentiated tumours (NET) and poorly differentiated carcinomas of large (LCNEC) or small (SCNEC) cell type, whose identification can be challenging and response to EP be very variable, usually low in NET.
Aim(s): Analyze EP efficacy and p53/pRb status in G3 NEN.
Materials and methods: We retrospectively studied patients with G3 NEN treated by EP between 2006 and 2018. Morphology and immunohistochemistry (IHC) (Ki-67/Rb/p53) were centrally analyzed.
Conference: 17th Annual ENETS Conference 2020 (2020)
Category: Medical treatment - Chemotherapy Somatostatin analogues, Interferon
Presenting Author: Dr Louis de Mestier
, De Rycke O
, Chen R
, Colnot N
, Hentic O
, Cazes A
, Zalcman G
, Ruszniewski P
, Couvelard A
, Cros J
, de Mestier L
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