Abstract: HomeRadiologyVol. 224, No. 1 PreviousNext Signs in ImagingThe Shading SignChristine M. GlastonburyChristine M. GlastonburyAuthor Affiliations1From the Department of Radiology, Veterans Affairs Medical Center, 4150 Clement St, San Francisco, CA 94121. Received January 25, 2001; revision requested March 6; revision received March 29; accepted April 3. Address correspondence to the author (e-mail: [email protected]).Christine M. GlastonburyPublished Online:Jul 1 2002https://doi.org/10.1148/radiol.2241010361MoreSectionsFull textPDF ToolsAdd to favoritesCiteTrack CitationsPermissionsReprints ShareShare onFacebookXLinked In References 1 Togashi K, Nishimura K, Kimura I, et al. Endometrial cysts: diagnosis with MR imaging. Radiology 1991; 180:73-78. Link, Google Scholar2 Nishimura K, Togashi K, Itoh K, et al. Endometrial cysts of the ovary: MR imaging. Radiology 1987; 162:315-318. Link, Google Scholar3 Woodward P, Sohaey R, Mezzetti TP. Endometriosis: radiologic-pathologic correlation. RadioGraphics 2001; 21:193-216. Link, Google Scholar4 Takahashi K, Okada S, Okada M, et al. Magnetic resonance relaxation time in evaluating the cyst fluid characteristics of endometrioma. Hum Reprod 1996; 11:857-860. Crossref, Medline, Google Scholar5 Siegelman ES, Outwater EK. Tissue characterization in the female pelvis by means of MR imaging. Radiology 1999; 212:5-18. Link, Google Scholar6 Bradley WG. MR appearance of hemorrhage in the brain. Radiology 1993; 189:15-26. Link, Google Scholar7 Outwater E, Dunton C. Imaging of the ovary and adnexa: clinical issues and applications of MR imaging. Radiology 1995; 194:1-18. Link, Google Scholar8 Sugimura K, Okizuka H, Kaji Y, et al. MRI in predicting the response of ovarian endometriomas to hormone therapy. J Comput Assist Tomogr 1996; 20:145-150. Crossref, Medline, Google Scholar9 Scoutt LM, McCarty SM. Female pelvis. In: Stark DD, Bradley WG, eds. Magnetic resonance imaging. 3rd ed. St Louis, Mo: Mosby, 1999; 580-582. Google Scholar10 Sugimura K, Okizuka H, Imaoka I, et al. Pelvic endometriosis: detection and diagnosis with chemical shift MR imaging. Radiology 1993; 188:435-438. Link, Google Scholar11 Scoutt LM, McCarthy SM, Lange R, Bourque A, Schwartz PE. MR evaluation of clinically suspected adnexal masses. J Comput Assist Tomogr 1994; 18:609-618. Crossref, Medline, Google Scholar12 Kier R, Smith RC, McCarthy SM. Value of lipid- and water-suppression MR images in distinguishing between blood and lipid within ovarian masses. AJR Am J Roentgenol 1992; 158:321-325. Crossref, Medline, Google Scholar13 Zawin M, McCarthy S, Scoutt L, Comite F. Endometriosis: appearance and detection at MR imaging. Radiology 1989; 171:693-696. Link, Google Scholar14 Zawin M, McCarthy S, Scoutt L, et al. Monitoring therapy with a gonadotropin-releasing hormone analog: utility of MR imaging. Radiology 1990; 175:503-506. Link, Google Scholar15 Takahashi K, Okada S, Okada M, et al. Prognostic application of magnetic resonance imaging in patients with endometriomas treated with gonadotrophin-releasing hormone analogue. Hum Reprod 1996; 11:1083-1085. Crossref, Medline, Google ScholarArticle HistoryPublished in print: July 2002 FiguresReferencesRelatedDetailsCited ByRaumforderungen des Ovars im KindesalterInaSorge, Franz WolfgangHirsch10 November 2023 | Die Radiologie, Vol. 156Endometriosis: A multimodal imaging reviewJuanQuesada, KirsiHärmä, ShannonReid, TanushreeRao, GlenLo, NatalieYang, SonalKaria, EmmelineLee, NiraBorok2023Jan1 | European Journal of Radiology, Vol. 158Correlation of radiological features of white epidermoid cysts with histopathological findingsDima Z.Jamjoom, AliAlamer, DonatellaTampieri10 February 2022 | Scientific Reports, Vol. 12, No. 1Ruptured endometrioma in a nonpregnant patient: a case reportHayleyYoung, Thanh-LanBui, Scott E.Cramer, RyanO'Connell, RoozbehHoushyar23 April 2022 | Journal of Medical Case Reports, Vol. 16, No. 1How to improve O-RADS MRI score for rating adnexal masses with cystic component?VictoriaAssouline, YohannDabi, AurélieJalaguier-Coudray, SanjaStojanovic, IngridMillet, CarolineReinhold, MarcBazot, IsabelleThomassin-Naggara, 24 March 2022 | European Radiology, Vol. 32, No. 9Quantitative Imaging Parameters in the Diagnosis of EndometriomasPaul-AndreiȘtefan, Roxana-AdelinaLupean, DietmarTamandl28 June 2022Comparison between Ultrasonography and Magnetic Resonance Imaging in Endometriosis: A Prospective Study in a Tertiary HospitalSulabhPuri, AshimaGupta, Gurpreet SSandhu, Jaswinder KMohi21 June 2022 | Journal of South Asian Federation of Obstetrics and Gynaecology, Vol. 14, No. 2Endometriosis and adverse pregnancy outcomeFeliceSORRENTINO, MaristellaDE PADOVA, MaddalenaFALAGARIO, Maurizio N.D'ALTERI O, AttilioDI SPIEZIO SARDO, Luis A.PACHECO, Jose T.CARUGNO, LuigiNAPPI2022Feb1 | Minerva Obstetrics and Gynecology, Vol. 74, No. 1Pelvic Nerve Endometriosis (Neuropelveology)TanerUsta, ShaheenKhazali25 May 2022MRI in the Diagnosis of Endometriosis and Related DiseasesAkiKido, YukiHimoto, YusakuMoribata, YasuhisaKurata, YujiNakamoto2022Jan1 | Korean Journal of Radiology, Vol. 23, No. 4T2 shading and T2 dark spot sign in the diagnosis of endometriotic cysts: A prospective studyInshaKhan, AnchalGupta, MohdIlyas2022Jan1 | CHRISMED Journal of Health and Research, Vol. 9, No. 1Identifying the deceiver: the non-neoplastic mimickers of genital system neoplasmsOmerOnder, Ali DevrimKaraosmanoglu, JessicaKraeft, AycanUysal, MusturayKarcaaltincaba, DenizAkata, Mustafa NasuhOzmen, Peter F.Hahn7 July 2021 | Insights into Imaging, Vol. 12, No. 1The efficiency of susceptibility-weighted MRI in the differentiation of endometriomas from haemorrhagic ovarian cystsEserBulut, MustafaPeker, AliKupeli, GurkanDanisan, Arzu CoskunerBulut27 July 2021 | Abdominal Radiology, Vol. 46, No. 11Bladder Endometriosis Masquerading as Bladder Tumor: The Role of Magnetic Resonance Imaging in DiagnosisAfshanHakeem, Shayan SAnwar, Shahla SAnwar, FarwaFatima, AnwarAhmed2021Jul3 | Cureus, Vol. 32Endometriosis and Its Myriad Presentations: Magnetic Resonance Imaging-Based Pictorial ReviewSeemaSud, Tarvinder Bir SinghBuxi, SwapnilSheth, Samarjit SinghGhuman23 May 2021 | Indian Journal of Radiology and Imaging, Vol. 84Differentiation of Endometriomas from Hemorrhagic Cysts at Magnetic Resonance: The Role of Quantitative Signal Intensity MeasurementsRoxana-AdelinaLupean, Paul-AndreiȘtefan, AndreiLebovici, CsabaCsutak, Georgeta MihaelaRusu, Carmen MihaelaMihu2021May21 | Current Medical Imaging Formerly Current Medical Imaging Reviews, Vol. 17, No. 4Sciatic endometriosis: A narrative review of an unusual neurogynecologic conditionJasonGandhi, Anthony LWilson, RaymondLiang, Steven JWeissbart, Sardar AliKhan11 November 2020 | Journal of Endometriosis and Pelvic Pain Disorders, Vol. 13, No. 1Spontaneous Hemoperitoneum in Endometriosis: A Case ReportSwetaSingh, SupravaNaik, PruthwirajSethi, Manas KumarPanigrahi2020Dec1 | Journal of Gynecologic Surgery, Vol. 36, No. 6Endometriosis MRI lexicon: consensus statement from the society of abdominal radiology endometriosis disease-focused panelPriyankaJha, MichelleSakala, Luciana PardiniChamie, MyraFeldman, NicoleHindman, ChenchanHuang, AoifeKilcoyne, SherelleLaifer-Narin, RefkyNicola, LiinaPoder, AnuradhaShenoy-Bhangle, AngelaTong, WendyVanBuren, Myles T.Taffel14 November 2019 | Abdominal Radiology, Vol. 45, No. 6Endometriosis in the postmenopausal female: clinical presentation, imaging features, and managementAdela G.Cope, Wendaline M.VanBuren, Shannon P.Sheedy7 November 2019 | Abdominal Radiology, Vol. 45, No. 6Endometriosis in pregnancyRyanNavarro, LiinaPoder, DerekSun, PriyankaJha23 March 2020 | Abdominal Radiology, Vol. 45, No. 6Emergent MRI for acute abdominal pain in pregnancy—review of common pathology and imaging appearanceArafatAli, KatrinaBeckett, CarlFlink5 January 2020 | Emergency Radiology, Vol. 27, No. 2Pelvic hemorrhagic lesions in women: MRI findings and differential diagnosisAna Paula CarvalhalMoura, Maria InêsNovis, Guilherme Tadeu SauaiaDemarchi, Lizieux MatosFernandes, GiuseppeD'Ippolito, Ulysses S.Torres, Luciana PardiniChamié2020Mar1 | Clinical Imaging, Vol. 60, No. 1Female Genital TractSharon W.Gould, Juan S.Calle Toro, Susan J.Back, Daniel J.Podberesky, MonicaEpelman24 May 2020Deep infiltrating endometriosis: Can magnetic resonance imaging anticipate the need for colorectal surgeon intervention?AnaBrusic, StephenEsler, LeonidChurilov, PrathimaChowdary, MatthewSleeman, PeterMaher, NatalieYang2019Dec1 | European Journal of Radiology, Vol. 121Amide proton transfer imaging for differentiating benign ovarian cystic lesions: Potential of first time rightKeisukeIshimatsu, AkihiroNishie, YukihisaTakayama, YoshikiAsayama, YasuhiroUshijima, DaisukeKakihara, KoichiroMorita, SeiichiroTakao, KenzoSonoda, YoshihiroOhishi, HiroshiHonda2019Nov1 | European Journal of Radiology, Vol. 120Extrapelvic Sciatic Nerve Endometriosis, the Role of Magnetic Resonance Imaging: Case Report and Systematic ReviewPascalLomoro, IginoSimonetti, AnnalisaNanni, RosarioCassone, FrancescoDi Pietto, GiorgiaVinci, Maria SolePrevedoni, StefaniaRomano, LuigiSammarchi4 November 2019 | Journal of Computer Assisted Tomography, Vol. 43, No. 6Bilateral endometriomasCharlesXie, Kristin K.Porter1 September 2019 | Applied Radiology, Vol. 224Diagnostic Efficacy of T2 Dark Spot, T2 Dark Rim Signs, and T2 Shading on Magnetic Resonance Imaging in Differentiating Endometriomas From Hemorrhagic CystsAysegulCansu, EserBulut, GulserenDinc, SuleymanBekircavusoglu, IlkerEyuboglu, Emine SedaGuven, AliAhmetoglu2 July 2019 | Journal of Computer Assisted Tomography, Vol. 43, No. 4Abdominal and pelvic imaging findings associated with sex hormone abnormalitiesNicoleKurzbard-Roach, PriyankaJha, LiinaPoder, ChristineMenias27 November 2018 | Abdominal Radiology, Vol. 44, No. 3Errors in Imaging of the Acute Female Pelvis: Where Do They Occur and How Can We Reduce Them?Ania Z.Kielar, ShaunaDuigenan, Darcy J.Wolfman14 March 2019MRI findings in deep infiltrating endometriosis: A pictorial essayAnitha LThalluri, StevenKnox, ThiNguyen9 October 2017 | Journal of Medical Imaging and Radiation Oncology, Vol. 61, No. 6Intracranial white epidermoid cyst with dystrophic calcification – A case report and literature reviewKrishnanRavindran, Te WhitiRogers, TanyaYuen, FrankGaillard2017Aug1 | Journal of Clinical Neuroscience, Vol. 42Susceptibility Weighted With Quantitative Phase Magnetic Resonance Imaging in Differentiation of Various Stages of Hemorrhage and Calcification in Female Pelvic Pathologies: A Preliminary StudySakshiKhurana, PrativaSahoo, MuktaKapila, SwatiMittal, ManavitaMahajan, IndrajitSaha, Rakesh KumarGupta2017Jul1 | Journal of Computer Assisted Tomography, Vol. 41, No. 4Abdominal wall endometriosisFilipaVieira, CarlosPina-Vaz4 May 2017 | Journal of Clinical Urology, Vol. 10, No. 4An update on the diagnosis, surgical management, and fertility outcomes for women with endometriomaRyanCranney, GeorgeCondous, ShannonReid11 March 2017 | Acta Obstetricia et Gynecologica Scandinavica, Vol. 96, No. 6Evaluation of the sacral nerve plexus in pelvic endometriosis by three‐dimensional MR neurographyXiaolingZhang, MeizhiLi, JianGuan, HuanjunWang, ShurongLi, YanGuo, MingjuanLiu26 September 2016 | Journal of Magnetic Resonance Imaging, Vol. 45, No. 4Diffusion-weighted magnetic resonance imaging in the differentiation of endometriomas from hemorrhagic cysts in the ovaryNam KyungLee, SukKim, Ki HyungKim, Dong SooSuh, Tae UnKim, Ga JinHan, Ji WonLee, Jin YouKim4 November 2015 | Acta Radiologica, Vol. 57, No. 8Non-neoplastic diseases of the fallopian tube: MR imaging with emphasis on diffusion-weighted imagingPietro ValerioFoti, NoemiOgnibene, SaveriaSpadola, RosarioCaltabiano, RenatoFarina, StefanoPalmucci, PietroMilone, Giovanni CarloEttorre18 March 2016 | Insights into Imaging, Vol. 7, No. 3Magnetic resonance imaging of acquired disorders of the pediatric female pelvis other than neoplasmMougnyanCox, Sharon W.Gould, Daniel J.Podberesky, MonicaEpelman26 May 2016 | Pediatric Radiology, Vol. 46, No. 6Magnetic resonance imaging evaluation of non ovarian adnexal lesionsShrey K.Thawait, KiranBatra, Stephen I.Johnson, Drew A.Torigian, AvneeshChhabra, AtifZaheer2016Jan1 | Clinical Imaging, Vol. 40, No. 1Endometriosis: Does the menstrual cycle affect magnetic resonance (MR) imaging evaluation?Elissa M.Botterill, Stephen J.Esler, Kate T.McIlwaine, NishaJagasia, LenoreEllett, Peter J.Maher, NatalieYang2015Nov1 | European Journal of Radiology, Vol. 84, No. 11The shading sign: is it exclusive of endometriomas?JoãoLopes Dias, FilipeVeloso Gomes, RitaLucas, Teresa MargaridaCunha11 June 2015 | Abdominal Imaging, Vol. 40, No. 7Female PelvisMukesh G.Harisinghani, ArumugamRajesh3 October 2014Neoplasms of the OvaryMaria ChiaraAmbrosetti, LiviaBernardin, RiccardoDe Robertis Lombardi, StefanoCrosara, FedericaCastelli, AndreaRockall, RiccardoManfredi, Roberto PozziMucelli21 October 2014Lesions of the ovary with T1-hypersignalA.Chabrol, P.Rousset, M.Charlot, F.Chateau, F.Cotton, F.Golfier, F.Rety2014Oct1 | Clinical Radiology, Vol. 69, No. 10Endometriose retroperitoneal atípica e uso de tamoxifenoDaniel ZambuzziNaufel, Thiago JoséPenachim, Leandro Luiz Lopes deFreitas, Patricia PrandoCardia, AdilsonPrando2014Oct1 | Radiologia Brasileira, Vol. 47, No. 5What is hiding in the hindgut sac? Looking beyond rectal carcinomaVivekVirmani, SubramaniyanRamanathan, Vineeta SethiVirmani, JohnRyan, NajlaFasih21 July 2014 | Insights into Imaging, Vol. 5, No. 4Practical Approach to MRI of Female Pelvic MassesBrian C.Allen, KeyanooshHosseinzadeh, Shadi A.Qasem, AdamVarner, John R.Leyendecker2014Jun1 | American Journal of Roentgenology, Vol. 202, No. 6Differentiation of Ovarian Endometriomas from Hemorrhagic Cysts at MR Imaging: Utility of the T2 Dark Spot SignMichael T. Corwin, Eugenio O. Gerscovich, Ramit Lamba, Machelle Wilson, John P. McGahan, 13 November 2013 | Radiology, Vol. 271, No. 1Imaging female infertilityCheryl A.Sadow, V. AnikSahni26 September 2013 | Abdominal Imaging, Vol. 39, No. 1MR Differentiation of Endometriomas Complicated with and without Malignancy: Comparison with Pathological FindingsMariKohno, TsuyoshiTajima, KazunoriHashimoto, HideoMatsui, ToshioNishikawa, ShujiSakai2014Jan1 | Open Journal of Medical Imaging, Vol. 04, No. 03Cysts of Follicular Origin and Pregnancy LuteomaBianka K.Freiwald-Chilla, NikHauser, Rahel A.Kubik-Huch13 November 2013Secondary Mullerian SystemJean NoelBuy, MichelGhossain5 January 2013The role of MRI in the diagnosis of endometriosisNoha MohamedAbdelMaboud Ibrahim, Haytham HaroonElsaeed2012Dec1 | The Egyptian Journal of Radiology and Nuclear Medicine, Vol. 43, No. 4MR Imaging of Endometriosis: Ten Imaging PearlsEvan S. Siegelman, , and Edward R. Oliver, 4 October 2012 | RadioGraphics, Vol. 32, No. 6T2-Hypointense Adnexal Lesions: An Imaging AlgorithmAlla Khashper, , Helen C. Addley, , Nesreen Abourokbah, , Stephanie Nougaret, , Evis Sala, , and Caroline Reinhold, 27 June 2012 | RadioGraphics, Vol. 32, No. 4Shading sign of endometriomaHenryKnipe, PrashantGupta3 May 2012MR Imaging of Malignancies Arising in Endometriomas and Extraovarian EndometriosisShaunagh McDermott, , Tamara N. Oei, , Veena R. Iyer, , and Susanna I. Lee, 5 May 2012 | RadioGraphics, Vol. 32, No. 3Clinical Management of Ovarian Endometriotic Cyst (Chocolate Cyst): Diagnosis, Medical Treatment, and Minimally Invasive SurgeryMasakiMandai, AyakoSuzuki, NoriomiMatsumura, TsukasaBaba, KenYamaguchi, JunzoHamanishi, YumikoYoshioka, KenzoKosaka, IkuoKonishi7 January 2012 | Current Obstetrics and Gynecology Reports, Vol. 1, No. 1Pre–Uterine Artery Embolization MRI: Beyond FibroidsPetra L.Williams, Jacky M.Coote, Anthony F.Watkinson18 February 2011 | CardioVascular and Interventional Radiology, Vol. 34, No. 6The Art and Science of Straight Lines in RadiologyCynthia M.Day, AaronSodickson2011Feb1 | American Journal of Roentgenology, Vol. 196, No. 2Gynaecological Causes of Pelvic PainGurdeep S.Mann, Angela T.Byrne, Anne S.Garden2011Jan1EndometriosisIfeyinwa Y.Onyiuke, Leslie M.Scoutt, Shirley M.McCarthy2011Jan1Endométriose et douleurs pelvipérinéales chroniquesH.Roman, N.Bourdel, J.Rigaud, D.Delavierre, J.-J.Labat, L.Sibert2010Nov1 | Progrès en Urologie, Vol. 20, No. 12Malignant transformation of endometrioma2010Oct14Evaluation of colonic involvement in endometriosis: double-contrast barium enema vs. magnetic resonance imagingN.Faccioli, G.Foti, R.Manfredi, P.Mainardi, E.Spoto, G.Ruffo, L.Minelli, R. PozziMucelli30 June 2009 | Abdominal Imaging, Vol. 35, No. 4Imaging of Benign Adnexal MassesMarta E.Heilbrun, JefferyOlpin, AkramShaaban2010Jul1 | Topics in Magnetic Resonance Imaging, Vol. 21, No. 4Unusual Manifestations and Complications of Endometriosis—Spectrum of Imaging Findings: Pictorial ReviewGenevieve L.Bennett, Chrystia M.Slywotzky, MarielaCantera, Elizabeth M.Hecht2010Jun1 | American Journal of Roentgenology, Vol. 194, No. 6_supplementEndometriomaHenryKnipe, JeremyJones14 March 2010EndometriosisMohammadNiknejad, NatalieYang7 August 2009Shading sign (endometrioma)MohammadNiknejad, NatalieYang7 August 2009Imaging of Benign Adnexal Masses: Characteristic Presentations on Ultrasound, Computed Tomography, and Magnetic Resonance ImagingMARTA E.HEILBRUN, JEFFERYOLPIN, AKRAMSHAABAN2009Mar1 | Clinical Obstetrics & Gynecology, Vol. 52, No. 1EndometriosisErcanKocakoc, ShwetaBhatt, Vikram S.Dogra2008Jul1 | Ultrasound Clinics, Vol. 3, No. 3Magnetic Resonance Manifestations of Endometrial Cysts at 3 T Compared With 1.5 TMayumiTakeuchi, KenjiMatsuzaki, HitoshiKubo, HiromuNishitani2008May1 | Journal of Computer Assisted Tomography, Vol. 32, No. 3THE ROLE OF MAGNETIC RESONANCE IMAGING IN THE EVALUATION OF GYNECOLOGIC DISEASEAntonio C.Westphalen, AliyaQayyum2008Jan1Endometriosis of the inguinal region: Magnetic resonance imaging (MRI) findingsRSLow, AOJones, MHouang, LNewland, ALMorey, TChan‐Ling6 November 2007 | Australasian Radiology, Vol. 51, No. s4StentAntonio Carlos A.Westphalen, AliyaQayyum1 October 2006 | Applied Radiology, Vol. 20Prevalence and distribution of adnexal findings suggesting endometriosis in patients with MR diagnosis of adenomyosisT TZacharia, M JO'Neill2006Apr1 | The British Journal of Radiology, Vol. 79, No. 940Pelvic Pain: Overlooked and Underdiagnosed Gynecologic Conditions1Ewa Kuligowska, , Linda Deeds, III, , and Kang Lu, III, 1 January 2005 | RadioGraphics, Vol. 25, No. 1MRI of the Female PelvisEvan S.Siegelman2005Jan1Magnetic Resonance Imaging of Ovarian Cancer Arising in EndometriomasTroy T.Wu, Fergus V.Coakley, AliyaQayyum, Benjamin M.Yeh, Bonnie N.Joe, Lee-mayChen2004Nov1 | Journal of Computer Assisted Tomography, Vol. 28, No. 6Cerebellar EndometriosisDipankaSarma, PratibhaIyengar, Thomas R.Marotta, Karel G.terBrugge, FredGentili, WilliamHalliday2004Jun1 | American Journal of Roentgenology, Vol. 182, No. 6The Shading Sign in Cerebral Squamous Cell MetastasesSteven W.Hetts, Joseph P.Urban, AlfredoQuiñones-Hinojosa, Dean W.Joelson, Christine M.Glastonbury2004Apr1 | American Journal of Roentgenology, Vol. 182, No. 4New initiatives from EJHG, ESHG and Nature Publishing GroupGert-Jan Bvan Ommen2 October 2002 | European Journal of Human Genetics, Vol. 10, No. 10Recommended Articles RSNA Education Exhibits RSNA Case Collection Vol. 224, No. 1 Metrics Altmetric Score PDF download
Publication Year: 2002
Publication Date: 2002-07-01
Language: en
Type: article
Indexed In: ['crossref', 'pubmed']
Access and Citation
Cited By Count: 103
AI Researcher Chatbot
Get quick answers to your questions about the article from our AI researcher chatbot