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3. MRI restaging of rectal cancer: The RAC (Response–Anal canal–CRM) analysis joint consensus guidelines of the GRERCAR and GRECCAR groups

Author

Nougaret, Stephanie, Rousset, Pascal, Lambregts, Doenja M.J., Maas, Monique, Gormly, Kirsten, Lucidarme, Oliver, Brunelle, Serge, Milot, Laurent, Arrivé, Lionel, Salut, Celine, Pilleul, Franck, Hordonneau, Constance, Baudin, Guillaume, Soyer, Philippe, Brun, Vanessa, Laurent, Valérie, Savoye-Collet, Celine, Petkovska, Iva, Gerard, Jean-Pierre, Cotte, Eddy, Rouanet, Philippe, Catalano, Onofrio, Denost, Quentin, Tan, Regina Beets, Frulio, Nora, and Hoeffel, Christine

Published
2023
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5. The sigmoid take-off as a landmark to distinguish rectal from sigmoid tumours on MRI: Reproducibility, pitfalls and potential impact on treatment stratification

Author

Alberts, Femke, Bakers, Frans C.H., Batiashvili, Nino, Beets, Geerard L., Beets-Tan, Regina G.H., de Bie, Shira, Bogveradze, Nino, Bosma, Gerlof, Cappendijk, Vincent C., Castagnoli, Francesca, Daushvili, Ana, Doornebosch, Pascal, Dresen, Raphaëla C., Geenen, Remy, Grotenhuis, Brechtje, Jokharidze, Tedo, el Khababi, Najim, Kusters, Miranda, Lahaye, Max J., Lambregts, Doenja M.J., Landolfi, Federica, Leeuwenburgh, Marjolein, Maas, Monique, Neijenhuis, Peter, Peterson, Gerald, Steller, Ernst J.A., Veeken, Cornelis J., Tanis, Pieter J., De Vuysere, Sofie, Vermaas, Maarten, Vliegen, Roy F.A., and Wolthuis, Albert

Published
2022
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9. Is watch and wait a safe and effective way to treat rectal cancer in older patients?

Author

Melenhorst, Jarno, Sande, Marit E. van der, Westreenen, Henderik L. van, Talsma, A.K. (Koen), Breukink, Stephanie O., Zimmerman, David D.E., Hilling, Denise E., Wilt, Johannes H.W. de, Peeters, Koen C.M.J., Graaf, Eelco J.R. de, Tuynman, Jurriaan B., Sonneveld, Dirk J.A., Komen, Niels, Pronk, Apollo, Intven, Martijn, Schreurs, W.H. (Hermien), Hoff, Christiaan, Haak, Hester E., Maas, Monique, Lambregts, Doenja M.J., Beets-Tan, Regina G.H., and Beets, Geerard L.

Published
2020
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13. Significant improvement after training in the assessment of lateral compartments and short-axis measurements of lateral lymph nodes in rectal cancer

Author

Sluckin, Tania C., Hazen, Sanne Marije J.A., Horsthuis, Karin, Lambregts, Doenja M.J., Beets-Tan, Regina G.H., Tanis, Pieter J., Kusters, Miranda, Surgery, Cancer Center Amsterdam, Radiology and nuclear medicine, CCA - Cancer Treatment and quality of life, CCA - Imaging and biomarkers, CCA - Cancer Treatment and Quality of Life, AGEM - Amsterdam Gastroenterology Endocrinology Metabolism, RS: GROW - R3 - Innovative Cancer Diagnostics & Therapy, and Faculteit FHML Centraal

Subjects
INVOLVEMENT, Magnetic resonance imaging, SDG 3 - Good Health and Well-being, METASTASIS, Radiology, Nuclear Medicine and imaging, General Medicine, Rectal cancer, DISSECTION, Lateral lymph nodes
Abstract

Objectives In patients with rectal cancer, the size and location of lateral lymph nodes (LLNs) are correlated to increased lateral local recurrence rates. Sufficient knowledge and accuracy when measuring these features are therefore essential. The objective of this study was to evaluate the variation in measurements and anatomical classifications of LLNs before and after training. Methods Fifty-three Dutch radiologists examined three rectal MRI scans and completed a questionnaire. Presence, location, size, and suspiciousness of LLNs were reported. This assessment was repeated after a 2-hour online training by the same radiologists with the same three cases plus three additional cases. Three expert radiologists independently evaluated these 6 cases and served as the standard of reference. Results Correct identification of the anatomical location improved in case 1 (62 to 77% (p = .077)) and in case 2 (46 to 72% (p = .007)) but decreased in case 3 (92 to 74%, p = .453). Compared to the first three cases, cases 4, 5, and 6 all had a higher initial consensus of 73%, 79%, and 85%, respectively. The mean absolute deviation of the short-axis measurements in cases 1–3 were closer—though not significantly—to the expert reference value after training with reduced ranges and standard deviations. Subjective determination of malignancy had a high consensus rate between participants and experts. Conclusion Though finding a high consensus rate for determining malignancy of LLNs, variation in short-axis measurements and anatomical location classifications were present and improved after training. Adequate training would support the challenges involved in evaluating LLNs appropriately. Key Points • Variation was present in the assessment of the anatomical location and short-axis size of lateral lymph nodes. • In certain cases, the accuracy of short-axis measurements and anatomical location, when compared to an expert reference value, improved after a training session. • Consensus before and after training on whether an LLN was subjectively considered to be suspicious for malignancy was high.

Published
2023

14. An updated evaluation of the implementation of the sigmoid take-off landmark 1 year after the official introduction in the Netherlands

Author

Hazen, S. J.A., Sluckin, Tania C., Horsthuis, K, Lambregts, Doenja M.J., Beets-Tan, Regina G. H., Tanis, P. J., Kusters, M., Surgery, and Plastic and Reconstructive Surgery and Hand Surgery

Subjects
SDG 3 - Good Health and Well-being
Abstract

Purpose : The definition of rectal cancer based on the sigmoid take-off (STO) was incorporated into the Dutch guideline in 2019, and became mandatory in the national audit from December 2020. This study aimed to evaluate the use of the STO in clinical practice and the added value of online training, stratified for the period before (group A, historical cohort) and after (group B, current cohort) incorporation into the national audit. Methods : Participants, including radiologists, surgeons, surgical and radiological residents, interns, PhD students, and physician assistants, were asked to complete an online training program, consisting of questionnaires, 20 MRI cases, and a training document. Outcomes were agreement with the expert reference, inter-rater variability, and accuracy before and after the training. Results : Group A consisted of 86 participants and group B consisted of 114 participants. Familiarity with the STO was higher in group B (76% vs 88%, p = 0.027). Its use in multidisciplinary meetings was not significantly higher (50% vs 67%, p = 0.237). Agreement with the expert reference was similar for both groups before (79% vs 80%, p = 0.423) and after the training (87% vs 87%, p = 0.848). Training resulted in significant improvement for both groups in classifying tumors located around the STO (group A, 69–79%; group B, 67–79%, p < 0.001). Conclusions : The results of this study show that after the inclusion of the STO in the mandatory Dutch national audit, the STO was consequently used in only 67% of the represented hospitals. Online training has the potential to improve implementation and unambiguous assessment.

Published
2023

15. Independent validation of CT radiomics models in colorectal liver metastases:predicting local tumour progression after ablation

Author

van der Reijd, Denise J., Guerendel, Corentin, Staal, Femke C.R., Busard, Milou P., De Oliveira Taveira, Mateus, Klompenhouwer, Elisabeth G., Kuhlmann, Koert F.D., Moelker, Adriaan, Verhoef, Cornelis, Starmans, Martijn P.A., Lambregts, Doenja M.J., Beets-Tan, Regina G.H., Benson, Sean, Maas, Monique, van der Reijd, Denise J., Guerendel, Corentin, Staal, Femke C.R., Busard, Milou P., De Oliveira Taveira, Mateus, Klompenhouwer, Elisabeth G., Kuhlmann, Koert F.D., Moelker, Adriaan, Verhoef, Cornelis, Starmans, Martijn P.A., Lambregts, Doenja M.J., Beets-Tan, Regina G.H., Benson, Sean, and Maas, Monique

Abstract

Objectives:Independent internal and external validation of three previously published CT-based radiomics models to predict local tumor progression (LTP) after thermal ablation of colorectal liver metastases (CRLM). Materials and methods: Patients with CRLM treated with thermal ablation were collected from two institutions to collect a new independent internal and external validation cohort. Ablation zones (AZ) were delineated on portal venous phase CT 2–8 weeks post-ablation. Radiomics features were extracted from the AZ and a 10 mm peri-ablational rim (PAR) of liver parenchyma around the AZ. Three previously published prediction models (clinical, radiomics, combined) were tested without retraining. LTP was defined as new tumor foci appearing next to the AZ up to 24 months post-ablation. Results: The internal cohort included 39 patients with 68 CRLM and the external cohort 52 patients with 78 CRLM. 34/146 CRLM developed LTP after a median follow-up of 24 months (range 5–139). The median time to LTP was 8 months (range 2–22). The combined clinical-radiomics model yielded a c-statistic of 0.47 (95%CI 0.30–0.64) in the internal cohort and 0.50 (95%CI 0.38–0.62) in the external cohort, compared to 0.78 (95%CI 0.65–0.87) in the previously published original cohort. The radiomics model yielded c-statistics of 0.46 (95%CI 0.29–0.63) and 0.39 (95%CI 0.28–0.52), and the clinical model 0.51 (95%CI 0.34–0.68) and 0.51 (95%CI 0.39–0.63) in the internal and external cohort, respectively. Conclusion: The previously published results for prediction of LTP after thermal ablation of CRLM using clinical and radiomics models were not reproducible in independent internal and external validation. Clinical relevance statement: Local tumour progression after thermal ablation of CRLM cannot yet be predicted with the use of CT radiomics of the ablation zone and peri-ablational rim. These res

Published
2023

19. The evaluation of follow-up strategies of watch-and-wait patients with a complete response after neoadjuvant therapy in rectal cancer

Author

Haak, Hester E., Zmuc, Jan, Lambregts, Doenja M.J., Beets‐Tan, Regina G.H., Melenhorst, Jarno, Beets, Geerard L., Maas, Monique, Breukink, Stephanie O., Festen, Sebastiaan, de Graaf, Eelco J.R., Grotenhuis, Brechtje A., Hilling, Denise, Hoff, Christiaan, Intven, Martijn, Komen, Niels, Peeters, Koen Cmj., Pronk, Apollo, Schreurs, Hermien W.H., Sonneveld, Dirk J.A., Talsma, Koen, Tuynman, Jurriaan B., Kusters, Miranda, van Westreenen, Henderik L., de Wilt, Johannes H.W., Zimmerman, David D.E., Dutch Watch‐and‐Wait Consortium, Surgery, CCA - Cancer Treatment and quality of life, Amsterdam Gastroenterology Endocrinology Metabolism, RS: GROW - R3 - Innovative Cancer Diagnostics & Therapy, Faculteit FHML Centraal, and MUMC+: MA Heelkunde (9)

Subjects
medicine.medical_specialty, Schedule, watch-and-wait, Colorectal cancer, medicine.medical_treatment, Lumen (anatomy), chemoradiotherapy, Very frequent, Tumours of the digestive tract Radboud Institute for Health Sciences [Radboudumc 14], 03 medical and health sciences, 0302 clinical medicine, medicine, follow-up, Humans, Watchful Waiting, rectal cancer, and&#8208, Neoadjuvant therapy, Retrospective Studies, follow&#8208, up, medicine.diagnostic_test, business.industry, Rectal Neoplasms, Gastroenterology, medicine.disease, Neoadjuvant Therapy, Endoscopy, watch&#8208, 030220 oncology & carcinogenesis, Cohort, clinical complete response, wait, 030211 gastroenterology & hepatology, Radiology, Human medicine, Neoplasm Recurrence, Local, organ preservation, business, Chemoradiotherapy, Follow-Up Studies
Abstract

Aim Many of the current follow-up schedules in a watch-and-wait approach include very frequent MRI and endoscopy examinations to ensure early detection of local regrowth (LR). The aim of this study was to analyse the occurrence and detection of LR in a watch-and-wait cohort and to suggest a more efficient follow-up schedule. Method Rectal cancer patients with a clinical complete response after neoadjuvant therapy were prospectively and retrospectively included in a multicentre watch-and-wait registry between 2004 and 2018, with the current follow-up schedule with 3-monthly endoscopy and MRI in the first year and 6 monthly thereafter. A theoretical comparison was constructed for the detection of LR in the current follow-up schedule against four other hypothetical schedules. Results In all, 50/304 (16%) of patients developed a LR. The majority (98%) were detected at ≤2 years, located in the lumen (94%) and were visible on endoscopy (88%). The theoretical comparison of the different hypothetical schedules suggests that the optimal follow-up schedule should focus on the first 2 years with 3-monthly endoscopy and 3-6 monthly MRI. Longer intervals in the first 2 years will cause delays in diagnosis of LR ranging from 0 to 5 months. After 2 years, increasing the interval from 6 to 12 months did not cause important delays. Conclusion The optimal follow-up schedule for a watch-and-wait policy in patients with a clinical complete response after chemoradiation for rectal cancer should include frequent endoscopy and to a lesser degree MRI in the first 2 years. Longer intervals, up to 12 months, can be considered after 2 years.

Published
2021

21. Lateral Lymph Nodes in Rectal Cancer:Do we all Think the Same? A Review of Multidisciplinary Obstacles and Treatment Recommendations

Author

Sluckin, Tania C., Couwenberg, Alice M., Lambregts, Doenja M.J., Hazen, Sanne Marije J.A., Horsthuis, Karin, Meijnen, Philip, Beets-Tan, Regina G.H., Tanis, Pieter J., Marijnen, Corrie A.M., Kusters, Miranda, Sluckin, Tania C., Couwenberg, Alice M., Lambregts, Doenja M.J., Hazen, Sanne Marije J.A., Horsthuis, Karin, Meijnen, Philip, Beets-Tan, Regina G.H., Tanis, Pieter J., Marijnen, Corrie A.M., and Kusters, Miranda

Abstract

Lateral lymph nodes in low, locally advanced, rectal cancer have proven implications for local recurrence rates, which increase drastically in the presence of persistently enlarged lateral lymph nodes. These clinical implications warrant a thorough understanding of lateral nodal disease with awareness and knowledge from all three specialties involved – radiology, radiation oncology, and surgery – to ensure proper treatment. Relevant literature for each specialty, including all current guidelines and perspectives, were examined. Variations in definitions and treatment paradigms were evaluated. There is still no consensus for the standardized treatment of lateral nodal disease. Each discipline works according to their own available evidence, but relevant data are scarce. Current international guidelines and standard recommendations for the diagnostics and treatment of lateral lymph nodes are lacking. This results in differing perspectives and interpretations between the disciplines which can lead to challenging communication in an area where multidisciplinary collaboration is essential. This review addresses this by presenting the current evidence, perspectives and practices of each specialty and makes suggestions for each phase of the diagnostic and treatment process for patients with lateral nodal disease. By doing this, steps are taken toward achieving international consensus, and multidisciplinary collaboration.

Published
2022

22. The sigmoid take-off as a landmark to distinguish rectal from sigmoid tumours on MRI: Reproducibility, pitfalls and potential impact on treatment stratification

Author

Bogveradze, Nino, primary, Lambregts, Doenja M.J., additional, el Khababi, Najim, additional, Dresen, Raphaëla C., additional, Maas, Monique, additional, Kusters, Miranda, additional, Tanis, Pieter J., additional, Beets-Tan, Regina G.H., additional, Alberts, Femke, additional, Bakers, Frans C.H., additional, Batiashvili, Nino, additional, Beets, Geerard L., additional, de Bie, Shira, additional, Bogveradze, Nino, additional, Bosma, Gerlof, additional, Cappendijk, Vincent C., additional, Castagnoli, Francesca, additional, Daushvili, Ana, additional, Doornebosch, Pascal, additional, Geenen, Remy, additional, Grotenhuis, Brechtje, additional, Jokharidze, Tedo, additional, Lahaye, Max J., additional, Landolfi, Federica, additional, Leeuwenburgh, Marjolein, additional, Neijenhuis, Peter, additional, Peterson, Gerald, additional, Steller, Ernst J.A., additional, Veeken, Cornelis J., additional, De Vuysere, Sofie, additional, Vermaas, Maarten, additional, Vliegen, Roy F.A., additional, and Wolthuis, Albert, additional

Published
2022
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24. Adjuvant chemotherapy in rectal cancer: Defining subgroups who may benefit after neoadjuvant chemoradiation and resection: A pooled analysis of 3,313 patients

Author

Maas, Monique, Nelemans, Patty J, Valentini, Vincenzo, Crane, Christopher H., Capirci, Carlo, Rödel, Claus, Nash, Garrett M., Kuo, Li-Jen, Glynne-Jones, Rob, García-Aguilar, Julio, Suárez, Javier, Calvo, Felipe A., Pucciarelli, Salvatore, Biondo, Sebastiano, Theodoropoulos, George, Lambregts, Doenja M.J., Beets-Tan, Regina G.H., and Beets, Geerard L.

Published
2015
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27. Gross tumour volume delineation in anal cancer on T2-weighted and diffusion-weighted MRI – Reproducibility between radiologists and radiation oncologists and impact of reader experience level and DWI image quality

Author

Min, Lisa A., primary, Vacher, Younan J.L., additional, Dewit, Luc, additional, Donker, Mila, additional, Sofia, Carmelo, additional, van Triest, Baukelien, additional, Bos, Paula, additional, van Griethuysen, Joost J.W., additional, Maas, Monique, additional, Beets-Tan, Regina G.H., additional, and Lambregts, Doenja M.J., additional

Published
2020
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29. Is watch and wait a safe and effective way to treat rectal cancer in older patients?

Author

Haak, Hester E., primary, Maas, Monique, additional, Lambregts, Doenja M.J., additional, Beets-Tan, Regina G.H., additional, Beets, Geerard L., additional, Melenhorst, Jarno, additional, Sande, Marit E. van der, additional, Westreenen, Henderik L. van, additional, Talsma, A.K. (Koen), additional, Breukink, Stephanie O., additional, Zimmerman, David D.E., additional, Hilling, Denise E., additional, Wilt, Johannes H.W. de, additional, Peeters, Koen C.M.J., additional, Graaf, Eelco J.R. de, additional, Tuynman, Jurriaan B., additional, Sonneveld, Dirk J.A., additional, Komen, Niels, additional, Pronk, Apollo, additional, Intven, Martijn, additional, Schreurs, W.H. (Hermien), additional, and Hoff, Christiaan, additional

Published
2020
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30. MRI Combined with a Structured Report Template as a Pre-Selection Tool Prior to Endoscopy to Identify Patients for Organ-Preservation after Chemoradiotherapy in Rectal Cancer

Author

Haak, Hester, primary, Maas, Monique, additional, Lahaye, Max J., additional, Boellaard, Thierry N., additional, Pizzi, Andrea Delli, additional, Mihl, Casper, additional, van der Zee, Dennis, additional, Fabris, Cristina, additional, van der Sande, Marit E., additional, Beets-Tan, Regina G.H., additional, Beets, Geerard L., additional, and Lambregts, Doenja M.J., additional

Published
2020
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32. Gas-induced susceptibility artefacts on diffusion-weighted MRI of the rectum at 1.5 T – Effect of applying a micro-enema to improve image quality

Author

van Griethuysen, Joost J.M., primary, Bus, Elyse M., additional, Hauptmann, Michael, additional, Lahaye, Max J., additional, Maas, Monique, additional, ter Beek, Leon C., additional, Beets, Geerard L., additional, Bakers, Frans C.H., additional, Beets-Tan, Regina G.H., additional, and Lambregts, Doenja M.J., additional

Published
2018
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35. Whole liver CT texture analysis to predict the development of colorectal liver metastases—A multicentre study

Author

Beckers, Rianne C.J., primary, Lambregts, Doenja M.J., additional, Schnerr, Roald S., additional, Maas, Monique, additional, Rao, Sheng-Xiang, additional, Kessels, Alfons G.H., additional, Thywissen, Thomas, additional, Beets, Geerard L., additional, Trebeschi, Stefano, additional, Houwers, Janneke B., additional, Dejong, Cornelis H., additional, Verhoef, Cornelis, additional, and Beets-Tan, Regina G.H., additional

Published
2017
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36. Pearls and pitfalls of structured staging and reporting of rectal cancer on MRI: an international multireader study.

Author

el Khababi, Najim, Beets-Tan, Regina G.H., Curvo-Semedo, Luís, Tissier, Renaud, Nederend, Joost, Lahaye, Max J., Maas, Monique, Beets, Geerard L., and Lambregts, Doenja M.J.

Subjects
RECTAL cancer, ENDORECTAL ultrasonography, MAGNETIC resonance imaging, RECTUM, SPHINCTERS, TUMOR classification, UNIFORMITY
Abstract

Objectives: To investigate uniformity and pitfalls in structured radiological staging of rectal cancer. Methods: Twenty‐one radiologists (12 countries) staged 75 rectal cancers on MRI using a structured reporting template. Interobserver agreement (IOA) was calculated as the percentage agreement between readers (categorical variables) and Krippendorff's α (continuous variables). Agreement with an expert consensus served as a surrogate standard of reference to estimate diagnostic accuracy. Polychoric correlation coefficients were used to assess correlations between diagnostic confidence and accuracy (=agreement with expert consensus). Results: Uniformity to diagnose high‐risk (≥cT3 ab) versus low‐risk (≤cT3 cd) cT‐stage, cN0 versus cN+, lateral nodes and tumour deposits, MRF and sphincter involvement, and solid versus mucinous tumours was high with IOA > 80% in the majority of cases (and >80% agreement with expert consensus). Results for assessing extramural vascular invasion, cT‐stage (cT1‐2/cT3/cT4a/cT4b), cN‐stage (cN0/N1/N2), relation to the peritoneal reflection, extent of sphincter involvement (internal/intersphincteric/external) and morphology (solid/annular/semi‐annular) were considerably poorer. IOA was high (α = 0.72–0.84) for tumour height/length and extramural invasion depth, but low for tumour‐MRF distance and number of (suspicious) nodes (α = 0.05–0.55). There was a significant positive correlation between diagnostic confidence and accuracy (=agreement with expert consensus) (p < 0.001‐p = 0.003). Conclusions: ‐ Several staging items lacked sufficient reproducibility. ‐ Results for cT‐ and N‐staging g improved when using a dichotomized stratification. ‐ Considering the significant correlation between diagnostic confidence and accuracy, a confidence level may be incorporated into structured reporting for specific items with low reproducibility. Advances in knowledge: Although structured reporting aims to achieve uniformity in reporting, several items lack sufficient reproducibility and might benefit from dichotomized assessment and incorporating confidence levels. [ABSTRACT FROM AUTHOR]

Published
2023
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38. Whole-liver diffusion-weighted MRI histogram analysis

Author

Lambregts, Doenja M.J., primary, Martens, Milou H., additional, Quah, Raymond C.W., additional, Nikiforaki, Katerina, additional, Heijnen, Luc A., additional, Dejong, Cornelis H.C., additional, Beets, Geerard L., additional, Marias, Kostas, additional, Papanikolaou, Nickolas, additional, and Beets-Tan, Regina G.H., additional

Published
2015
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39. Can perfusion MRI predict response to preoperative treatment in rectal cancer?

Author

Martens, Milou H., primary, Subhani, Samina, additional, Heijnen, Luc A., additional, Lambregts, Doenja M.J., additional, Buijsen, Jeroen, additional, Maas, Monique, additional, Riedl, Robert G., additional, Jeukens, Cecile R.L.P.N., additional, Beets, Geerard L., additional, Kluza, Ewelina, additional, and Beets-Tan, Regina G.H., additional

Published
2015
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40. Adjuvant chemotherapy in rectal cancer: Defining subgroups who may benefit after neoadjuvant chemoradiation and resection: A pooled analysis of 3,313 patients

Author

Maas, Monique, primary, Nelemans, Patty J, additional, Valentini, Vincenzo, additional, Crane, Christopher H., additional, Capirci, Carlo, additional, Rödel, Claus, additional, Nash, Garrett M., additional, Kuo, Li‐Jen, additional, Glynne‐Jones, Rob, additional, García‐Aguilar, Julio, additional, Suárez, Javier, additional, Calvo, Felipe A., additional, Pucciarelli, Salvatore, additional, Biondo, Sebastiano, additional, Theodoropoulos, George, additional, Lambregts, Doenja M.J., additional, Beets‐Tan, Regina G.H., additional, and Beets, Geerard L., additional

Published
2014
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41. Magnetization Transfer Ratio

Author

Martens, Milou H., primary, Lambregts, Doenja M.J., additional, Papanikolaou, Nickolas, additional, Heijnen, Luc A., additional, Riedl, Robert G., additional, zur Hausen, Axel, additional, Maas, Monique, additional, Beets, Geerard L., additional, and Beets-Tan, Regina G.H., additional

Published
2014
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42. Wait-and-See Policy for Clinical Complete Responders After Chemoradiation for Rectal Cancer

Author

Maas, Monique, primary, Beets-Tan, Regina G.H., additional, Lambregts, Doenja M.J., additional, Lammering, Guido, additional, Nelemans, Patty J., additional, Engelen, Sanne M.E., additional, van Dam, Ronald M., additional, Jansen, Rob L.H., additional, Sosef, Meindert, additional, Leijtens, Jeroen W.A., additional, Hulsewé, Karel W.E., additional, Buijsen, Jeroen, additional, and Beets, Geerard L., additional

Published
2011
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44. Accuracy of Gadofosveset-enhanced MRI for Nodal Staging and Restaging in Rectal Cancer

Author

Lambregts, Doenja M.J., primary, Beets, Geerard L., additional, Maas, Monique, additional, Kessels, Alfons G.H., additional, Bakers, Frans C.H., additional, Cappendijk, Vincent C., additional, Engelen, Sanne M.E., additional, Lahaye, Max J., additional, de Bruïne, Adriaan P., additional, Lammering, Guido, additional, Leiner, Tim, additional, Verwoerd, Jan L., additional, Wildberger, Joachim E., additional, and Beets-Tan, Regina G.H., additional

Published
2011
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