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Atypical Mesonephric Hyperplasia of the Uterus Harbors Pathogenic Mutation of Kirsten Rat Sarcoma 2 Viral Oncogene Homolog ( KRAS) and Gain of Chromosome 1q

Authors
 Hyunjin Kim  ;  Nara Yoon  ;  Ha Young Woo  ;  Eui-Jin Lee  ;  Sung-Im DO  ;  Kiyong Na  ;  Hyun-Soo Kim 
Citation
 CANCER GENOMICS & PROTEOMICS, Vol.17(6) : 813-826, 2020-11 
Journal Title
CANCER GENOMICS & PROTEOMICS
ISSN
 1109-6535 
Issue Date
2020-11
MeSH
Adenocarcinoma / genetics ; Adenocarcinoma / pathology ; Biomarkers, Tumor / genetics ; Chromosomes, Human, Pair 1 / genetics* ; Female ; Gain of Function Mutation* ; Humans ; Hyperplasia / genetics ; Hyperplasia / pathology* ; Mesonephroma / genetics ; Mesonephroma / pathology* ; Middle Aged ; Mutation* ; Precancerous Conditions / genetics ; Precancerous Conditions / pathology ; Prognosis ; Proto-Oncogene Proteins p21(ras) / genetics* ; Uterine Cervical Neoplasms / genetics ; Uterine Cervical Neoplasms / pathology*
Keywords
Uterus ; cervix ; atypical mesonephric hyperplasia ; Kirsten rat sarcoma 2 viral oncogene homolog (KRAS) mutation ; chromosome 1q gain
Abstract
Background/Aim: Mesonephric carcinoma (MNC) is a rare but notable entity of the female genital tract. While many researchers have acknowledged and studied MNC, much remains unknown on the characteristics of mesonephric remnant (MNR) or hyperplasia (MNH). There has not been any study examining the molecular features of MNR and MNH so far. The aim of this study was to investigate the clinicopathological and molecular characteristics of ten uterine mesonephric lesions, including two MNRs without atypia, four MNHs without atypia, and three MNHs with atypia. Materials and Methods: We reviewed the electronic medical records and all available slides of ten cases from multiple institutions. Targeted sequencing and array comparative genomic hybridization were performed. Results: Three atypical MNHs displayed nuclear enlargement, mild-tomoderate nuclear pleomorphism, and nuclear membrane irregularity, and harbored pathogenic Kirsten rat sarcoma 2 viral oncogene homolograt sarcoma 2 viral oncogene homolog (KRAS) mutation. Two of those that co-existed with MNC harbored the same sequence alterations as each of their adjacent MNC. One of the three atypical MNHs harbored chromosome 1q gain. Conclusion: Atypical MNH is a potential premalignant lesion in which KRAS mutation and chromosome 1q gain play an important role in the early stage of mesonephric carcinogenesis.
Files in This Item:
T9992020147.pdf Download
DOI
10.21873/cgp.20235
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
Yonsei Authors
Woo, Ha Young(우하영) ORCID logo https://orcid.org/0000-0002-3078-6484
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/189928
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