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Diffusion MRI on lymph node staging of gastric adenocarcinoma

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46-10.3978-j.issn.2223-4292.2015.03.06.pdf (954.7Kb)
Date
2015-06-01
Author
HASBAHCECI, Mustafa
Memmi, NAİM
Yildiz, PELİN
Arici, DİLEK SEMA
Akcakaya, ADEM
TURKMEN, Ihsan
Cipe, Gokhan
MUSLUMANOGLU, Mahmut
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Article
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Abstract
Objective: The purpose of this study was to evaluate the accuracy of diffusion weighted magnetic resonance imaging (MRI) in preoperative assessment of metastatic lymph nodes of gastric cancer. Methods: A total of 23 gastric cancer patients with a mean age of 59.4±10.9 years were analyzed. Lymph nodes were grouped as perigastric lesser curvature (Group Ia), perigastric greater curvature (Group Ib), D1+/D2 lymph nodes (Group II). Identification of histologically metastatic lymph nodes by diffusion weighted MRI was regarded as the main outcome. Results: A total of 1,056 lymph nodes including 180 histologically proven metastatic lymph nodes were dissected. Although diffusion weighted MRI could identify the metastatic lymph nodes in 18 out of 23 patients (77.8%), only 69 of total 1,056 nodes (6.53%), either metastatic or non-metastatic, could be detected. There was no correlation between histopathology and diffusion weighted MRI with regard to lymph node groups (P>0.05 for all). Overall accuracy was calculated as 69.56, 65.21 and 52.17 for Groups II, Ib and Ia lymph nodes, respectively. Apparent diffusion coefficient (ADC) values could not be helpful to differentiate metastatic lymph nodes (P=0.673). Conclusions: Diffusion weighted MRI has low accuracy to detect or to differentiate metastatic and non-metastatic lymph nodes based on their ADC values in gastric cancer.
Subject
HASBAHCECI M., Akcakaya A., Memmi N., TURKMEN I., Cipe G., Yildiz P., Arici D. S. , MUSLUMANOGLU M., -Diffusion MRI on lymph node staging of gastric adenocarcinoma-, QUANTITATIVE IMAGING IN MEDICINE AND SURGERY, cilt.5, ss.392-400, 2015
URI
https://hdl.handle.net/20.500.12645/9583
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BEZMIALEM VAKIF UNIVERSITY

About us |Policies | Library | Contact us | Send Feedback | Sitemap | Admin

Bezmialem Vakıf Üniversitesi, Adnan Menderes Bulvarı Vatan Caddesi 34093 Fatih, İstanbul / TURKEY
Copyright © Bezmialem Vakıf Üniversitesi

Creative Commons Lisansı
Bezmialem Institutional Repository, Creative Commons Alıntı-GayriTicari-Türetilemez 4.0 Uluslararası Lisansı ile lisanslanmıştır.

OpenAccess@BVU

Support by  UNIREPOS