The important risk factor for lateral pelvic lymph node metastasis of lower rectal cancer is node-positive status on magnetic resonance imaging: study of the Lymph Node Committee of Japanese Society for Cancer of the Colon and Rectum

Purpose This study seeks to evaluate lateral pelvic lymph node (LPLN) and perirectal lymph node (PRLN) status on magnetic resonance imaging (MRI) as potential risk factors for lymph node metastasis. Methods The subjects were 394 patients with lower rectal cancer who underwent MRI prior to mesorectal...

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Bibliographic Details
Published in:International journal of colorectal disease 2016-10, Vol.31 (10), p.1719-1728
Main Authors: Ogawa, Shimpei, Hida, Jin-ichi, Ike, Hideyuki, Kinugasa, Tetsushi, Ota, Mitsuyoshi, Shinto, Eiji, Itabashi, Michio, Okamoto, Takahiro, Sugihara, Kenichi
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Aged, 80 and over
Area Under Curve
Cancer
Colorectal cancer
Female
Gastroenterology
Hepatology
Humans
Internal Medicine
Lymph Nodes - pathology
Lymphatic Metastasis - pathology
Magnetic Resonance Imaging
Male
Medicine
Medicine & Public Health
Metastasis
Middle Aged
Multivariate Analysis
Oncology, Experimental
Original Article
Proctology
Rectal Neoplasms - pathology
Risk Factors
Societies, Medical
Surgery
Young Adult
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Summary:Purpose This study seeks to evaluate lateral pelvic lymph node (LPLN) and perirectal lymph node (PRLN) status on magnetic resonance imaging (MRI) as potential risk factors for lymph node metastasis. Methods The subjects were 394 patients with lower rectal cancer who underwent MRI prior to mesorectal excision (combined with lateral pelvic lymph node dissection in 272 patients) at 6 institutes. No patients received neoadjuvant therapy. Cases were classified as cN(+) and cN(−) based on the short axis of the largest lymph node ≥5 and
ISSN:0179-1958
1432-1262
DOI:10.1007/s00384-016-2641-3