Mixed Pulmonary Adenocarcinoma and Atypical Carcinoid: A Report of Two Cases of a Non-codified Entity With Biological Profile

Pulmonary carcinoids combined with a non-neuroendocrine component have rarely been described, and this histological subtype is not included as a specific entity in the current World Health Organization classification of pulmonary neoplasms. Here, we described the molecular and histological features...

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Autores principales: Paola Parente, Antonio Rossi, Angelo Sparaneo, Federico Pio Fabrizio, Antonella Centonza, Marco Taurchini, Tommaso Mazza, Maurizio Cassano, Giuseppe Miscio, Flavia Centra, Gian Maria Ferretti, Concetta Martina Di Micco, Paolo Graziano, Lucia Anna Muscarella
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Publicado: Frontiers Media S.A. 2021
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Acceso en línea:https://doaj.org/article/646af9e64ee54bc89df7af38cc484a7b
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spelling oai:doaj.org-article:646af9e64ee54bc89df7af38cc484a7b2021-12-03T05:40:19ZMixed Pulmonary Adenocarcinoma and Atypical Carcinoid: A Report of Two Cases of a Non-codified Entity With Biological Profile2296-889X10.3389/fmolb.2021.784876https://doaj.org/article/646af9e64ee54bc89df7af38cc484a7b2021-12-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fmolb.2021.784876/fullhttps://doaj.org/toc/2296-889XPulmonary carcinoids combined with a non-neuroendocrine component have rarely been described, and this histological subtype is not included as a specific entity in the current World Health Organization classification of pulmonary neoplasms. Here, we described the molecular and histological features of two rare cases of mixed lung neoplasms, composed of atypical carcinoid and adenocarcinoma. The targeted next-generation sequencing analysis covering single nucleotide variations, copy number variations, and transcript fusions in a total of 161 cancer genes of the two different tumor components shows a similar molecular profile of shared and private gene mutations. These findings suggest their monoclonal origin from a transformed stem/progenitor tumor cell, which acquires a divergent differentiation during its development and progression and accumulates novel, specific mutations.Paola ParenteAntonio RossiAngelo SparaneoFederico Pio FabrizioAntonella CentonzaMarco TaurchiniTommaso MazzaMaurizio CassanoGiuseppe MiscioFlavia CentraGian Maria FerrettiConcetta Martina Di MiccoPaolo GrazianoLucia Anna MuscarellaFrontiers Media S.A.articlelungatypical carcinoidadenocarcinomamixed neoplasmmonoclonalitynext-generation sequencingBiology (General)QH301-705.5ENFrontiers in Molecular Biosciences, Vol 8 (2021)
institution DOAJ
collection DOAJ
language EN
topic lung
atypical carcinoid
adenocarcinoma
mixed neoplasm
monoclonality
next-generation sequencing
Biology (General)
QH301-705.5
spellingShingle lung
atypical carcinoid
adenocarcinoma
mixed neoplasm
monoclonality
next-generation sequencing
Biology (General)
QH301-705.5
Paola Parente
Antonio Rossi
Angelo Sparaneo
Federico Pio Fabrizio
Antonella Centonza
Marco Taurchini
Tommaso Mazza
Maurizio Cassano
Giuseppe Miscio
Flavia Centra
Gian Maria Ferretti
Concetta Martina Di Micco
Paolo Graziano
Lucia Anna Muscarella
Mixed Pulmonary Adenocarcinoma and Atypical Carcinoid: A Report of Two Cases of a Non-codified Entity With Biological Profile
description Pulmonary carcinoids combined with a non-neuroendocrine component have rarely been described, and this histological subtype is not included as a specific entity in the current World Health Organization classification of pulmonary neoplasms. Here, we described the molecular and histological features of two rare cases of mixed lung neoplasms, composed of atypical carcinoid and adenocarcinoma. The targeted next-generation sequencing analysis covering single nucleotide variations, copy number variations, and transcript fusions in a total of 161 cancer genes of the two different tumor components shows a similar molecular profile of shared and private gene mutations. These findings suggest their monoclonal origin from a transformed stem/progenitor tumor cell, which acquires a divergent differentiation during its development and progression and accumulates novel, specific mutations.
format article
author Paola Parente
Antonio Rossi
Angelo Sparaneo
Federico Pio Fabrizio
Antonella Centonza
Marco Taurchini
Tommaso Mazza
Maurizio Cassano
Giuseppe Miscio
Flavia Centra
Gian Maria Ferretti
Concetta Martina Di Micco
Paolo Graziano
Lucia Anna Muscarella
author_facet Paola Parente
Antonio Rossi
Angelo Sparaneo
Federico Pio Fabrizio
Antonella Centonza
Marco Taurchini
Tommaso Mazza
Maurizio Cassano
Giuseppe Miscio
Flavia Centra
Gian Maria Ferretti
Concetta Martina Di Micco
Paolo Graziano
Lucia Anna Muscarella
author_sort Paola Parente
title Mixed Pulmonary Adenocarcinoma and Atypical Carcinoid: A Report of Two Cases of a Non-codified Entity With Biological Profile
title_short Mixed Pulmonary Adenocarcinoma and Atypical Carcinoid: A Report of Two Cases of a Non-codified Entity With Biological Profile
title_full Mixed Pulmonary Adenocarcinoma and Atypical Carcinoid: A Report of Two Cases of a Non-codified Entity With Biological Profile
title_fullStr Mixed Pulmonary Adenocarcinoma and Atypical Carcinoid: A Report of Two Cases of a Non-codified Entity With Biological Profile
title_full_unstemmed Mixed Pulmonary Adenocarcinoma and Atypical Carcinoid: A Report of Two Cases of a Non-codified Entity With Biological Profile
title_sort mixed pulmonary adenocarcinoma and atypical carcinoid: a report of two cases of a non-codified entity with biological profile
publisher Frontiers Media S.A.
publishDate 2021
url https://doaj.org/article/646af9e64ee54bc89df7af38cc484a7b
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