Abstract Library

#2951 Analysis of Discordance between Biopsy Grade and Surgical Pathology Grade in Resected PanNEN Patients

Introduction: In PanNEN cases, treatment strategies are decided by tumor localization, volume and grade. In unresectable or metastatic cases, tumor grade is determined by biopsy specimen obtained from EUS-FNA and diagnostic accuracy of biopsy according to WHO classification 2017 is important for decision making of treatment.

Conference: 17th Annual ENETSConcerence (2020)

Presenting Author:

Authors: Nakano K, Masui T, Yogo A, Uchida Y, Nagai K,

Keywords: PanNEN, WHO classification 2017, EUS-FNA, Ki-67, biopsy, surgical pathology, discordance,

#2203 A Case of Rectal Abscess Emerged Immediately after Starting Chemotherapy with Everolimus and Required Surgical Drainage

Introduction: Everolimus is widely used for unresectable panNET. For its efficacy as an immunosuppressant, infectious adverse events are well-known.

Conference: 15th Annual ENETSConcerence (2018)

Presenting Author:

Authors: Nakano K, Masui T, Yogo A, Uchida Y, Sato A,

Keywords: everolimus, infection, abscess, rectal abscess, surgery, drainage,

#939 Large Cell Neuroendocrine Carcinoma of the Gallbladder: A Case Report and Literature Review

Introduction: Primary large cell neuroendocrine carcinoma (LCNEC) of the gallbladder is rare. The standard treatment for gallbladder NEC with liver metastases has not been established, but combination chemotherapy with etoposide plus cisplatin (EP) is recommended for NEC patients with liver metastasis, regardless of the primary tumor site.

Conference: 11th Annual ENETSConcerence (2014)

Presenting Author:

Authors: Nakazuru S, Kimura K, Tada Y, Iwasaki R, Iwasaki T,

Keywords: gallbladder, large cell neuroendocrine carcinoma, chemotherapy,