Capsule, septum, and T2 hyperintense foci for differentiation between large hepatocellular carcinoma (≥5 cm) and intrahepatic cholangiocarcinoma on gadoxetic acid MRI

Objective To determine the added value of capsule, septum, and T2 hyperintense foci for differentiating large hepatocellular carcinoma (HCC; ≥ 5 cm) from intrahepatic cholangiocarcinoma (ICC) using gadoxetic acid MRI. Methods The study included 116 patients (94 men, 22 women; mean age, 56.8 years) w...

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Veröffentlicht in:European radiology 2017-11, Vol.27 (11), p.4581-4590
Hauptverfasser: Hwang, Jiyoung, Kim, Young Kon, Min, Ji Hye, Choi, Seo-Youn, Jeong, Woo Kyung, Hong, Seong Sook, Kim, Hyun-joo, Ahn, Soohyun, Ahn, Hyeon Seon
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container_end_page 4590
container_issue 11
container_start_page 4581
container_title European radiology
container_volume 27
creator Hwang, Jiyoung
Kim, Young Kon
Min, Ji Hye
Choi, Seo-Youn
Jeong, Woo Kyung
Hong, Seong Sook
Kim, Hyun-joo
Ahn, Soohyun
Ahn, Hyeon Seon
description Objective To determine the added value of capsule, septum, and T2 hyperintense foci for differentiating large hepatocellular carcinoma (HCC; ≥ 5 cm) from intrahepatic cholangiocarcinoma (ICC) using gadoxetic acid MRI. Methods The study included 116 patients (94 men, 22 women; mean age, 56.8 years) with surgically confirmed HCCs (n = 87, 5.0–18.0 cm) or ICCs (n = 29, 5.0–14.0 cm) who underwent gadoxetic acid MRI. Three observers independently reviewed MRIs in two sessions, examining enhancement patterns only and then adding capsule, septum, and T2 hyperintense foci. Reviewers used a five-point scale to score accuracy, sensitivity, and specificity. Results A significant increase was observed in accuracy when ancillary features (96.1–98.3%) were added compared to enhancement pattern only (83.6–88.4%; p  ≤ 0.02). Sensitivity was significantly increased with combined reading (97.1–98.3%) compared to enhancement features only (81.6–88.5%; p  ≤ 0.006) for two observers, with no difference in specificity (84.5–89.7% vs. 86.2–98.3%; p  > 0.05). We found substantial to excellent interobserver agreement for ancillary features (0.598–0.976). Conclusion Adding capsule, septum, and T2 hyperintense foci to enhancement patterns for gadoxetic acid MRI increased diagnostic performance for characterizing large HCC by differentiating it from ICC. Key Points • Capsule , septum , and T2 hyperintense foci were useful for characterizing large HCC . • Adding ancillary features to enhancement pattern increased accuracy for diagnosing large HCC . • Interobserver agreement was substantial to excellent for ancillary features .
doi_str_mv 10.1007/s00330-017-4846-4
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Methods The study included 116 patients (94 men, 22 women; mean age, 56.8 years) with surgically confirmed HCCs (n = 87, 5.0–18.0 cm) or ICCs (n = 29, 5.0–14.0 cm) who underwent gadoxetic acid MRI. Three observers independently reviewed MRIs in two sessions, examining enhancement patterns only and then adding capsule, septum, and T2 hyperintense foci. Reviewers used a five-point scale to score accuracy, sensitivity, and specificity. Results A significant increase was observed in accuracy when ancillary features (96.1–98.3%) were added compared to enhancement pattern only (83.6–88.4%; p  ≤ 0.02). Sensitivity was significantly increased with combined reading (97.1–98.3%) compared to enhancement features only (81.6–88.5%; p  ≤ 0.006) for two observers, with no difference in specificity (84.5–89.7% vs. 86.2–98.3%; p  &gt; 0.05). We found substantial to excellent interobserver agreement for ancillary features (0.598–0.976). Conclusion Adding capsule, septum, and T2 hyperintense foci to enhancement patterns for gadoxetic acid MRI increased diagnostic performance for characterizing large HCC by differentiating it from ICC. Key Points • Capsule , septum , and T2 hyperintense foci were useful for characterizing large HCC . • Adding ancillary features to enhancement pattern increased accuracy for diagnosing large HCC . • Interobserver agreement was substantial to excellent for ancillary features .</description><identifier>ISSN: 0938-7994</identifier><identifier>EISSN: 1432-1084</identifier><identifier>DOI: 10.1007/s00330-017-4846-4</identifier><identifier>PMID: 28500365</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Accuracy ; Acids ; Bile Ducts, Intrahepatic - pathology ; Carcinoma, Hepatocellular - pathology ; Cholangiocarcinoma ; Cholangiocarcinoma - pathology ; Contrast Media - pharmacology ; Diagnostic Radiology ; Diagnostic systems ; Female ; Gadolinium DTPA - pharmacology ; Hepatocellular carcinoma ; Humans ; Imaging ; Internal Medicine ; Interventional Radiology ; Liver - pathology ; Liver cancer ; Liver Neoplasms - pathology ; Magnetic Resonance ; Magnetic resonance imaging ; Magnetic Resonance Imaging - methods ; Male ; Medicine ; Medicine &amp; Public Health ; Middle Aged ; Neoplasm Staging - methods ; Neuroradiology ; Observers ; Radiology ; Retrospective Studies ; Sensitivity ; Septum ; Ultrasound</subject><ispartof>European radiology, 2017-11, Vol.27 (11), p.4581-4590</ispartof><rights>European Society of Radiology 2017</rights><rights>European Radiology is a copyright of Springer, 2017.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c438t-3d58b162d57be605d47c65f32bd4be616f7b18eab467bfa92be422b215417c5d3</citedby><cites>FETCH-LOGICAL-c438t-3d58b162d57be605d47c65f32bd4be616f7b18eab467bfa92be422b215417c5d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00330-017-4846-4$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00330-017-4846-4$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,777,781,27905,27906,41469,42538,51300</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28500365$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hwang, Jiyoung</creatorcontrib><creatorcontrib>Kim, Young Kon</creatorcontrib><creatorcontrib>Min, Ji Hye</creatorcontrib><creatorcontrib>Choi, Seo-Youn</creatorcontrib><creatorcontrib>Jeong, Woo Kyung</creatorcontrib><creatorcontrib>Hong, Seong Sook</creatorcontrib><creatorcontrib>Kim, Hyun-joo</creatorcontrib><creatorcontrib>Ahn, Soohyun</creatorcontrib><creatorcontrib>Ahn, Hyeon Seon</creatorcontrib><title>Capsule, septum, and T2 hyperintense foci for differentiation between large hepatocellular carcinoma (≥5 cm) and intrahepatic cholangiocarcinoma on gadoxetic acid MRI</title><title>European radiology</title><addtitle>Eur Radiol</addtitle><addtitle>Eur Radiol</addtitle><description>Objective To determine the added value of capsule, septum, and T2 hyperintense foci for differentiating large hepatocellular carcinoma (HCC; ≥ 5 cm) from intrahepatic cholangiocarcinoma (ICC) using gadoxetic acid MRI. Methods The study included 116 patients (94 men, 22 women; mean age, 56.8 years) with surgically confirmed HCCs (n = 87, 5.0–18.0 cm) or ICCs (n = 29, 5.0–14.0 cm) who underwent gadoxetic acid MRI. Three observers independently reviewed MRIs in two sessions, examining enhancement patterns only and then adding capsule, septum, and T2 hyperintense foci. Reviewers used a five-point scale to score accuracy, sensitivity, and specificity. Results A significant increase was observed in accuracy when ancillary features (96.1–98.3%) were added compared to enhancement pattern only (83.6–88.4%; p  ≤ 0.02). Sensitivity was significantly increased with combined reading (97.1–98.3%) compared to enhancement features only (81.6–88.5%; p  ≤ 0.006) for two observers, with no difference in specificity (84.5–89.7% vs. 86.2–98.3%; p  &gt; 0.05). We found substantial to excellent interobserver agreement for ancillary features (0.598–0.976). Conclusion Adding capsule, septum, and T2 hyperintense foci to enhancement patterns for gadoxetic acid MRI increased diagnostic performance for characterizing large HCC by differentiating it from ICC. 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≥ 5 cm) from intrahepatic cholangiocarcinoma (ICC) using gadoxetic acid MRI. Methods The study included 116 patients (94 men, 22 women; mean age, 56.8 years) with surgically confirmed HCCs (n = 87, 5.0–18.0 cm) or ICCs (n = 29, 5.0–14.0 cm) who underwent gadoxetic acid MRI. Three observers independently reviewed MRIs in two sessions, examining enhancement patterns only and then adding capsule, septum, and T2 hyperintense foci. Reviewers used a five-point scale to score accuracy, sensitivity, and specificity. Results A significant increase was observed in accuracy when ancillary features (96.1–98.3%) were added compared to enhancement pattern only (83.6–88.4%; p  ≤ 0.02). Sensitivity was significantly increased with combined reading (97.1–98.3%) compared to enhancement features only (81.6–88.5%; p  ≤ 0.006) for two observers, with no difference in specificity (84.5–89.7% vs. 86.2–98.3%; p  &gt; 0.05). We found substantial to excellent interobserver agreement for ancillary features (0.598–0.976). Conclusion Adding capsule, septum, and T2 hyperintense foci to enhancement patterns for gadoxetic acid MRI increased diagnostic performance for characterizing large HCC by differentiating it from ICC. Key Points • Capsule , septum , and T2 hyperintense foci were useful for characterizing large HCC . • Adding ancillary features to enhancement pattern increased accuracy for diagnosing large HCC . • Interobserver agreement was substantial to excellent for ancillary features .</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>28500365</pmid><doi>10.1007/s00330-017-4846-4</doi><tpages>10</tpages></addata></record>
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subjects Accuracy
Acids
Bile Ducts, Intrahepatic - pathology
Carcinoma, Hepatocellular - pathology
Cholangiocarcinoma
Cholangiocarcinoma - pathology
Contrast Media - pharmacology
Diagnostic Radiology
Diagnostic systems
Female
Gadolinium DTPA - pharmacology
Hepatocellular carcinoma
Humans
Imaging
Internal Medicine
Interventional Radiology
Liver - pathology
Liver cancer
Liver Neoplasms - pathology
Magnetic Resonance
Magnetic resonance imaging
Magnetic Resonance Imaging - methods
Male
Medicine
Medicine & Public Health
Middle Aged
Neoplasm Staging - methods
Neuroradiology
Observers
Radiology
Retrospective Studies
Sensitivity
Septum
Ultrasound
title Capsule, septum, and T2 hyperintense foci for differentiation between large hepatocellular carcinoma (≥5 cm) and intrahepatic cholangiocarcinoma on gadoxetic acid MRI
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