Mixed Neuroendocrine Non-Neuroendocrine Neoplasms of the Gastrointestinal Tract: A Case Series

Mixed neuroendocrine non-neuroendocrine neoplasms (MiNENs) refer to heterogenous rare neoplasms constituted of at least a neuroendocrine population—either well-differentiated, or more frequently poorly differentiated—and a non-neuroendocrine population, both accounting for at least 30% of the whole...

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Main Authors: Luigi Pio Guerrera, Gabriella Suarato, Rossella Napolitano, Alessandra Perrone, Vincenza Caputo, Anna Ventriglia, Giulia Martini, Carminia Maria Della Corte, Michele Orditura, Erika Martinelli, Fortunato Ciardiello, Marco Montella, Renato Franco, Teresa Troiani, Stefania Napolitano
Format: Article
Language:English
Published: MDPI AG 2022-04-01
Series:Healthcare
Subjects:
Online Access:https://www.mdpi.com/2227-9032/10/4/708
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author Luigi Pio Guerrera
Gabriella Suarato
Rossella Napolitano
Alessandra Perrone
Vincenza Caputo
Anna Ventriglia
Giulia Martini
Carminia Maria Della Corte
Michele Orditura
Erika Martinelli
Fortunato Ciardiello
Marco Montella
Renato Franco
Teresa Troiani
Stefania Napolitano
author_facet Luigi Pio Guerrera
Gabriella Suarato
Rossella Napolitano
Alessandra Perrone
Vincenza Caputo
Anna Ventriglia
Giulia Martini
Carminia Maria Della Corte
Michele Orditura
Erika Martinelli
Fortunato Ciardiello
Marco Montella
Renato Franco
Teresa Troiani
Stefania Napolitano
author_sort Luigi Pio Guerrera
collection DOAJ
description Mixed neuroendocrine non-neuroendocrine neoplasms (MiNENs) refer to heterogenous rare neoplasms constituted of at least a neuroendocrine population—either well-differentiated, or more frequently poorly differentiated—and a non-neuroendocrine population, both accounting for at least 30% of the whole tumor mass. Several studies recently focused on the key genetic and epigenetic changes underlying MiNENs to better understand how they develop, and explore biological similarities among the two components and their pure counterparts. However, their molecular landscape still remains poorly understood. NGS may represent a useful tool to study this orphan disease by detecting the main genetic alterations and possible therapeutic targets. NGS analysis on tissue and/or blood samples through the Foundation One (F1) platform was performed on consecutive samples collected from four patients diagnosed with MiNENs of the gastroenteric tract. Several genetic alterations were shared among samples from the same patients, thus suggesting a common origin between them, although morphology sometimes changed at histopathological evaluation. Common molecular alterations among samples from different patients that had not been previously described to our knowledge were also detected. Finally, it is of the utmost importance to clarify if the maintenance of the 30% cut-off is still essential in defining MiNENs and really manages to include all of the mixed neoplasms.
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spelling doaj.art-34002e91914a42f1bf3c341fda7a6b1b2023-12-01T20:59:22ZengMDPI AGHealthcare2227-90322022-04-0110470810.3390/healthcare10040708Mixed Neuroendocrine Non-Neuroendocrine Neoplasms of the Gastrointestinal Tract: A Case SeriesLuigi Pio Guerrera0Gabriella Suarato1Rossella Napolitano2Alessandra Perrone3Vincenza Caputo4Anna Ventriglia5Giulia Martini6Carminia Maria Della Corte7Michele Orditura8Erika Martinelli9Fortunato Ciardiello10Marco Montella11Renato Franco12Teresa Troiani13Stefania Napolitano14Medical Oncology, Department of Precision Medicine, Università degli Studi della Campania “Luigi Vanvitelli”, 80131 Napoli, ItalyMedical Oncology, Department of Precision Medicine, Università degli Studi della Campania “Luigi Vanvitelli”, 80131 Napoli, ItalyMedical Oncology, Department of Precision Medicine, Università degli Studi della Campania “Luigi Vanvitelli”, 80131 Napoli, ItalyMedical Oncology, Department of Precision Medicine, Università degli Studi della Campania “Luigi Vanvitelli”, 80131 Napoli, ItalyMedical Oncology, Department of Precision Medicine, Università degli Studi della Campania “Luigi Vanvitelli”, 80131 Napoli, ItalyMedical Oncology, Department of Precision Medicine, Università degli Studi della Campania “Luigi Vanvitelli”, 80131 Napoli, ItalyMedical Oncology, Department of Precision Medicine, Università degli Studi della Campania “Luigi Vanvitelli”, 80131 Napoli, ItalyMedical Oncology, Department of Precision Medicine, Università degli Studi della Campania “Luigi Vanvitelli”, 80131 Napoli, ItalyMedical Oncology, Department of Precision Medicine, Università degli Studi della Campania “Luigi Vanvitelli”, 80131 Napoli, ItalyMedical Oncology, Department of Precision Medicine, Università degli Studi della Campania “Luigi Vanvitelli”, 80131 Napoli, ItalyMedical Oncology, Department of Precision Medicine, Università degli Studi della Campania “Luigi Vanvitelli”, 80131 Napoli, ItalyPathology Unit, Department of Mental and Physical Health and Preventive Medicine, Università degli Studi della Campania “Luigi Vanvitelli”, 80138 Napoli, ItalyPathology Unit, Department of Mental and Physical Health and Preventive Medicine, Università degli Studi della Campania “Luigi Vanvitelli”, 80138 Napoli, ItalyMedical Oncology, Department of Precision Medicine, Università degli Studi della Campania “Luigi Vanvitelli”, 80131 Napoli, ItalyMedical Oncology, Department of Precision Medicine, Università degli Studi della Campania “Luigi Vanvitelli”, 80131 Napoli, ItalyMixed neuroendocrine non-neuroendocrine neoplasms (MiNENs) refer to heterogenous rare neoplasms constituted of at least a neuroendocrine population—either well-differentiated, or more frequently poorly differentiated—and a non-neuroendocrine population, both accounting for at least 30% of the whole tumor mass. Several studies recently focused on the key genetic and epigenetic changes underlying MiNENs to better understand how they develop, and explore biological similarities among the two components and their pure counterparts. However, their molecular landscape still remains poorly understood. NGS may represent a useful tool to study this orphan disease by detecting the main genetic alterations and possible therapeutic targets. NGS analysis on tissue and/or blood samples through the Foundation One (F1) platform was performed on consecutive samples collected from four patients diagnosed with MiNENs of the gastroenteric tract. Several genetic alterations were shared among samples from the same patients, thus suggesting a common origin between them, although morphology sometimes changed at histopathological evaluation. Common molecular alterations among samples from different patients that had not been previously described to our knowledge were also detected. Finally, it is of the utmost importance to clarify if the maintenance of the 30% cut-off is still essential in defining MiNENs and really manages to include all of the mixed neoplasms.https://www.mdpi.com/2227-9032/10/4/708MiNENsmixed neuroendocrine/non-neuroendocrine neoplasmsgastrointestinal tumorsNGS analysisFoundation One (F1)
spellingShingle Luigi Pio Guerrera
Gabriella Suarato
Rossella Napolitano
Alessandra Perrone
Vincenza Caputo
Anna Ventriglia
Giulia Martini
Carminia Maria Della Corte
Michele Orditura
Erika Martinelli
Fortunato Ciardiello
Marco Montella
Renato Franco
Teresa Troiani
Stefania Napolitano
Mixed Neuroendocrine Non-Neuroendocrine Neoplasms of the Gastrointestinal Tract: A Case Series
Healthcare
MiNENs
mixed neuroendocrine/non-neuroendocrine neoplasms
gastrointestinal tumors
NGS analysis
Foundation One (F1)
title Mixed Neuroendocrine Non-Neuroendocrine Neoplasms of the Gastrointestinal Tract: A Case Series
title_full Mixed Neuroendocrine Non-Neuroendocrine Neoplasms of the Gastrointestinal Tract: A Case Series
title_fullStr Mixed Neuroendocrine Non-Neuroendocrine Neoplasms of the Gastrointestinal Tract: A Case Series
title_full_unstemmed Mixed Neuroendocrine Non-Neuroendocrine Neoplasms of the Gastrointestinal Tract: A Case Series
title_short Mixed Neuroendocrine Non-Neuroendocrine Neoplasms of the Gastrointestinal Tract: A Case Series
title_sort mixed neuroendocrine non neuroendocrine neoplasms of the gastrointestinal tract a case series
topic MiNENs
mixed neuroendocrine/non-neuroendocrine neoplasms
gastrointestinal tumors
NGS analysis
Foundation One (F1)
url https://www.mdpi.com/2227-9032/10/4/708
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