Comparison of the histopathological characteristics of large colorectal laterally spreading tumors according to growth pattern.
biological malignancy
growth pattern
histopathological characteristics
large colorectal laterally spreading tumors
Journal
Journal of the anus, rectum and colon
ISSN: 2432-3853
Titre abrégé: J Anus Rectum Colon
Pays: Japan
ID NLM: 101718055
Informations de publication
Date de publication:
2019
2019
Historique:
received:
02
11
2018
accepted:
05
08
2019
entrez:
27
11
2019
pubmed:
27
11
2019
medline:
27
11
2019
Statut:
epublish
Résumé
Colorectal laterally spreading tumors (LSTs) are widely recognized owing to their structural characteristics. This study aims to clarify the histopathological characteristics of large colorectal LSTs according to growth pattern. We studied 297 colorectal LSTs measuring ≥20 mm in diameter. The LSTs were classified into four types: granular homogenous type (LST-G-H), granular nodular mixed type (LST-G-M), non-granular flat elevated type (LST-NG-F), and non-granular pseudo-depressed type (LST-NG-PD). Retrospectively collected data were examined to compare the histopathological characteristics of LSTs according to the growth pattern. LST-G-M lesions (142 lesions) were most common, followed by LST-NG-F (74 lesions), LST-G-H (61 lesions), and LST-NG-PD (20 lesions). The mean tumor diameter of LST-G lesions (38.5 ± 17.2 mm) was significantly greater than that of LST-NG lesions (26.3 ± 7.0 mm, The biological malignancy of colorectal LSTs differs considerably depending on the growth pattern even among large lesions and therefore should be considered when selecting treatment regimens.
Identifiants
pubmed: 31768465
doi: 10.23922/jarc.2018-036
pmc: PMC6845292
doi:
Types de publication
Journal Article
Langues
eng
Pagination
152-159Informations de copyright
Copyright © 2019 by The Japan Society of Coloproctology.
Déclaration de conflit d'intérêts
Conflicts of Interest There are no conflicts of interest.
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