Dirk Timmerman (D Timmerman)

Publication Activity (10 Years)

Years Active: 2014-2024
Publications (10 Years): 37

Top Topics

Endometrial Cancer

Contrast Enhanced Ultrasound

Systematic Review

Top Venues

Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology

Statistics in medicine

This page only lists publications with an associated author ORCID identifier.

Publications

Lasai Barreñada, Ashleigh Ledger, Paula Dhiman, Gary Stephen Collins, Laure Wynants, Jan Yvan Jos Verbakel, Dirk Timmerman, Lil Valentin, Ben Van Calster
ADNEX risk prediction model for diagnosis of ovarian cancer: systematic review and meta-analysis of external validation studies. BMJ medicine 3 (1) (2024)
Lasai Barreñada, Ashleigh Ledger, Paula Dhiman, Gary Stephen Collins, Laure Wynants, Jan Yvan Jos Verbakel, Dirk Timmerman, Lil Valentin, Ben Van Calster
ADNEX risk prediction model for diagnosis of ovarian cancer: systematic review and meta-analysis of external validation studies. BMJ medicine 3 (1) (2024)
Zoë S Dunias, Ben Van Calster, Dirk Timmerman, Anne-Laure Boulesteix, Maarten van Smeden
A comparison of hyperparameter tuning procedures for clinical prediction models: A simulation study. Statistics in medicine 43 (6) (2024)
Zoë S Dunias, Ben Van Calster, Dirk Timmerman, Anne-Laure Boulesteix, Maarten van Smeden
A comparison of hyperparameter tuning procedures for clinical prediction models: A simulation study. Statistics in medicine 43 (6) (2024)
Lasai Barreñada, Ashleigh Ledger, Paula Dhiman, Gary Stephen Collins, Laure Wynants, Jan Yvan Jos Verbakel, Dirk Timmerman, Lil Valentin, Ben Van Calster
ADNEX risk prediction model for diagnosis of ovarian cancer: systematic review and meta-analysis of external validation studies. BMJ medicine 3 (1) (2024)
Zoë S Dunias, Ben Van Calster, Dirk Timmerman, Anne-Laure Boulesteix, Maarten van Smeden
A comparison of hyperparameter tuning procedures for clinical prediction models: A simulation study. Statistics in medicine (2024)
Lasai Barreñada, Ashleigh Ledger, Paula Dhiman, Gary Stephen Collins, Laure Wynants, Jan Yvan Jos Verbakel, Dirk Timmerman, Lil Valentin, Ben Van Calster
ADNEX risk prediction model for diagnosis of ovarian cancer: systematic review and meta-analysis of external validation studies. BMJ medicine 3 (1) (2024)
Fong Lien Audrey Kwong, Caroline Kristunas, Clare Davenport, Jon Deeks, Sue Mallett, Ridhi Agarwal, Sean Kehoe, Dirk Timmerman, Tom Bourne, Hilary Stobart, Richard Neal, Usha Menon, Alex Gentry-Maharaj, James Brenton, Nitzan Rosenfeld, Lauren Sturdy, Ryan Ottridge, Sudha S Sundar, null null
Symptom-triggered testing detects early stage and low volume resectable advanced stage ovarian cancer. International journal of gynecological cancer : official journal of the International Gynecological Cancer Society (2024)
Sarah Libbrecht, Ann Vankerckhoven, Koen de Wijs, Thaïs Baert, Gitte Thirion, Katja Vandenbrande, Toon Van Gorp, Dirk Timmerman, An Coosemans, Liesbet Lagae
A Microfluidics Approach for Ovarian Cancer Immune Monitoring in an Outpatient Setting. Cells 13 (1) (2023)
Sarah Libbrecht, Ann Vankerckhoven, Koen de Wijs, Thaïs Baert, Gitte Thirion, Katja Vandenbrande, Toon Van Gorp, Dirk Timmerman, An Coosemans, Liesbet Lagae
A Microfluidics Approach for Ovarian Cancer Immune Monitoring in an Outpatient Setting. Cells 13 (1) (2023)
Sarah Libbrecht, Ann Vankerckhoven, Koen de Wijs, Thaïs Baert, Gitte Thirion, Katja Vandenbrande, Toon Van Gorp, Dirk Timmerman, An Coosemans, Liesbet Lagae
A Microfluidics Approach for Ovarian Cancer Immune Monitoring in an Outpatient Setting. Cells 13 (1) (2023)
Rasmus W Green, Daniela Fischerova, Antonia Carla Testa, Dorella Franchi, Filip Frühauf, Pelle G Lindqvist, Alessia di Legge, David Cibula, Robert Fruscio, Lucia A Haak, Gina Opolskiene, Ailyn Mariela Vidal Urbinati, Dirk Timmerman, Tom Bourne, Thierry van den Bosch, Elisabeth Epstein
Sonographic, Demographic, and Clinical Characteristics of Pre- and Postmenopausal Women with Endometrial Cancer; Results from a Post Hoc Analysis of the IETA4 (International Endometrial Tumor Analysis) Multicenter Cohort. Diagnostics (Basel, Switzerland) 14 (1) (2023)
Sarah Libbrecht, Ann Vankerckhoven, Koen de Wijs, Thaïs Baert, Gitte Thirion, Katja Vandenbrande, Toon Van Gorp, Dirk Timmerman, An Coosemans, Liesbet Lagae
A Microfluidics Approach for Ovarian Cancer Immune Monitoring in an Outpatient Setting. Cells 13 (1) (2023)
Rasmus W Green, Daniela Fischerova, Antonia Carla Testa, Dorella Franchi, Filip Frühauf, Pelle G Lindqvist, Alessia di Legge, David Cibula, Robert Fruscio, Lucia A Haak, Gina Opolskiene, Ailyn Mariela Vidal Urbinati, Dirk Timmerman, Tom Bourne, Thierry van den Bosch, Elisabeth Epstein
Sonographic, Demographic, and Clinical Characteristics of Pre- and Postmenopausal Women with Endometrial Cancer; Results from a Post Hoc Analysis of the IETA4 (International Endometrial Tumor Analysis) Multicenter Cohort. Diagnostics (Basel, Switzerland) 14 (1) (2023)
Lori M Strachowski, Priyanka Jha, Catherine H Phillips, Misty M Blanchette Porter, Wouter Froyman, Phyllis Glanc, Catherine H Phillips, Maitray D Patel, Caroline Reinhold, Elizabeth J Suh-Burgmann, Dirk Timmerman, Rochelle F Andreotti
O-RADS US v2022: An Update from the American College of Radiology's Ovarian-Adnexal Reporting and Data System US Committee. Radiology 308 (3) (2023)
Ruben Heremans, Thierry van den Bosch, Lil Valentin, Laure Wynants, Maria Angela Pascual, Robert Fruscio, Antonia Carla Testa, Francesca Buonomo, Stefano Guerriero, Elisabeth Epstein, Tom Bourne, Dirk Timmerman, Francesco P G Leone, null null
Ultrasound features of endometrial pathology in women without abnormal uterine bleeding: results from the International Endometrial Tumor Analysis study (IETA3). Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology 60 (2) (2022)
C Verberkt, Inge P M Jordans, Thierry van den Bosch, Dirk Timmerman, Tom Bourne, Robert Adrianus de Leeuw, Judith A F Huirne
How to perform standardized sonographic examination of uterine niche in non-pregnant women. Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology 60 (3) (2022)
Jessica Farren, Maria Jalmbrant, Nora Falconieri, Nicola Mitchell-Jones, Shabnam Bobdiwala, Maya Al-Memar, Nina Parker, Ben Van Calster, Dirk Timmerman, Tom Bourne
Prognostic factors for post-traumatic stress, anxiety and depression in women after early pregnancy loss: a multi-centre prospective cohort study. BMJ open 12 (3) (2022)
Tom Bourne, Christopher Kyriacou, Harsha Shah, Jolien Ceusters, Jessica Preisler, Ulrike Metzger, Chiara Landolfo, Christoph C Lees, Dirk Timmerman
Experiences and well-being of healthcare professionals working in the field of ultrasound in obstetrics and gynaecology as the SARS-CoV-2 pandemic were evolving: a cross-sectional survey study. BMJ open 12 (2) (2022)
Huiwen Che, Tatjana Jatsenko, Liesbeth Lenaerts, Luc Dehaspe, Leen Vancoillie, Nathalie Brison, Ilse Parijs, Kris Van Den Bogaert, Daniela Fischerova, Ruben Heremans, Chiara Landolfo, Antonia Carla Testa, Adriaan Vanderstichele, Lore Liekens, Valentina Pomella, Agnieszka Wozniak, Christophe Dooms, Els Wauters, Sigrid Hatse, Kevin Punie, Patrick Neven, Hans P M W Wildiers, Sabine Tejpar, Diether Lambrechts, An Coosemans, Dirk Timmerman, Peter Vandenberghe, Michael Jiří Halaška, Joris Robert Vermeesch
Pan-Cancer Detection and Typing by Mining Patterns in Large Genome-Wide Cell-Free DNA Sequencing Datasets. Clinical chemistry 68 (9) (2022)
Christine De Bruyn, Jolien Ceusters, Chiara Landolfo, Thaïs Baert, Gitte Thirion, Sandra Claes, Ann Vankerckhoven, Roxanne Wouters, Dominique Schols, Dirk Timmerman, Ignace Vergote, An Coosemans
Neo-Adjuvant Chemotherapy Reduces, and Surgery Increases Immunosuppression in First-Line Treatment for Ovarian Cancer. Cancers 13 (23) (2021)
Shabnam Bobdiwala, Christopher Kyriacou, Evangelia Christodoulou, Jessica Farren, Nicola Mitchell-Jones, Maya Al-Memar, Francis Ayim, Baljinder Chohan, Emma Kirk, Osama Abughazza, Bramara Guruwadahyarhalli, Sharmistha Guha, Veluppillai Vathanan, Debbie Gould, Catriona Stalder, Dirk Timmerman, Ben Van Calster, Tom Bourne
Evaluating cut-off levels for progesterone, β human chorionic gonadotropin and β human chorionic gonadotropin ratio to exclude pregnancy viability in women with a pregnancy of unknown location: A prospective multicenter cohort study. Acta obstetricia et gynecologica Scandinavica (2021)
Dirk Timmerman, F Planchamp, Tom Bourne, Chiara Landolfo, A du Bois, Luis Chiva de Agustín, David Cibula, Nicole Concin, Daniela Fischerova, Wouter Froyman, Guillermo Gallardo Madueño, B Lemley, A Loft, L Mereu, P Morice, Denis Querleu, Antonia Carla Testa, I Vergote, Vincent Vandecaveye, G Scambia, Christina Fotopoulou
ESGO/ISUOG/IOTA/ESGE Consensus Statement on preoperative diagnosis of ovarian tumors. Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology 58 (1) (2021)
Dirk Timmerman, David Cibula, François Planchamp, Tom Bourne, Chiara Landolfo, Antonia Carla Testa, Andreas du Bois, Luis Chiva de Agustín, Nicole Concin, Daniela Fisherova, Wouter Froyman, Birthe Lemley, Annika Loft, Liliana Mereu, Philippe Morice, Denis Querleu, Ignace Vergote, Vincent Vandecaveye, Giovanni Scambia, Christina Fotopoulou
Response to: Correspondence on "ESGO/ISUOG/IOTA/ESGE Consensus Statement on pre-operative diagnosis of ovarian tumors" by Thomassin-Nagarra et al. International journal of gynecological cancer : official journal of the International Gynecological Cancer Society 31 (10) (2021)
Dirk Timmerman, François Planchamp, Tom Bourne, Chiara Landolfo, Andreas du Bois, Luis Chiva de Agustín, David Cibula, Nicole Concin, Daniela Fischerova, Wouter Froyman, Guillermo Gallardo Madueño, Birthe Lemley, Annika Loft, Liliana Mereu, Philippe Morice, Denis Querleu, Antonia Carla Testa, Ignace Vergote, Vincent Vandecaveye, Giovanni Scambia, Christina Fotopoulou
ESGO/ISUOG/IOTA/ESGE Consensus Statement on pre-operative diagnosis of ovarian tumors. International journal of gynecological cancer : official journal of the International Gynecological Cancer Society 31 (7) (2021)
Evangelia Christodoulou, S Bobdiwala, C Kyriacou, J Farren, N Mitchell-Jones, F Ayim, B Chohan, O Abughazza, B Guruwadahyarhalli, M Al-Memar, S Guha, V Vathanan, D Gould, C Stalder, Laure Wynants, Dirk Timmerman, Tom Bourne, Ben Van Calster
External validation of models to predict the outcome of pregnancies of unknown location: a multicentre cohort study. BJOG : an international journal of obstetrics and gynaecology 128 (3) (2020)
Boudewijn Dullens, Robin de Putter, Matteo Lambertini, Angela Toss, Sileny Han, Els Van Nieuwenhuysen, Toon Van Gorp, Adriaan Vanderstichele, Chantal Van Ongeval, Machteld Keupers, Renate Prevos, Valerie Celis, Jeroen Dekervel, Wouter Everaerts, Hans Wildiers, Ines Nevelsteen, Patrick Neven, Dirk Timmerman, Ann Smeets, Ellen Denayer, Griet Van Buggenhout, Eric Legius, Kevin Punie
Cancer Surveillance in Healthy Carriers of Germline Pathogenic Variants in BRCA1/2: A Review of Secondary Prevention Guidelines. Journal of oncology 2020 (2020)
Ben Van Calster, Lil Valentin, Wouter Froyman, Chiara Landolfo, Jolien Ceusters, Antonia Carla Testa, Laure Wynants, Povilas Sladkevicius, Caroline Van Holsbeke, Aikaterini Domali, Robert Fruscio, Elisabeth Epstein, Dorella Franchi, Marek Jerzy Kudla, Valentina Chiappa, Juan Luis Alcazar, Francesco P G Leone, Francesca Buonomo, Maria Elisabetta Coccia, Stefano Guerriero, Nandita Deo, Ligita Jokubkiene, Luca Savelli, Daniela Fischerova, Artur Czekierdowski, Jeroen Kaijser, An Coosemans, Giovanni Scambia, Ignace Vergote, Tom Bourne, Dirk Timmerman
Validation of models to diagnose ovarian cancer in patients managed surgically or conservatively: multicentre cohort study. BMJ (Clinical research ed.) 370 (2020)
Nora Falconieri, Ben Van Calster, Dirk Timmerman, Laure Wynants
Developing risk models for multicenter data using standard logistic regression produced suboptimal predictions: A simulation study. Biometrical journal. Biometrische Zeitschrift 62 (4) (2020)
Lieselot Deblaere, Wouter Froyman, Thierry van den Bosch, Anne-Sophie Van Rompuy, Jeroen Kaijser, Jan A Deprest, Dirk Timmerman
Juvenile cystic adenomyosis: A case report and review of the literature. Australasian journal of ultrasound in medicine 22 (4) (2019)
Sander Dumont, Ziga Jan, Ruben Heremans, Toon Van Gorp, Ignace Vergote, Dirk Timmerman
Organoids of epithelial ovarian cancer as an emerging preclinical in vitro tool: a review. Journal of ovarian research 12 (1) (2019)
Valentijn M T de Jong, Marinus J C Eijkemans, Ben Van Calster, Dirk Timmerman, Karel G M Moons, Ewout Willem Steyerberg, Maarten van Smeden
Sample size considerations and predictive performance of multinomial logistic prediction models. Statistics in medicine 38 (9) (2019)
Ruben Heremans, Wouter Froyman, Mariëlle Beckers, Thomas A Tousseyn, Dirk Timmerman
Advanced Doppler imaging and trucut biopsy of a late-stage cervical lymphoma. Australasian journal of ultrasound in medicine 22 (4) (2019)
Dirk Timmerman
Re: Validation of prediction model for successful vaginal birth after Cesarean delivery based on sonographic assessment of hysterotomy scar. A. Baranov, K. Å. Salvesen and O. Vikhareva. Ultrasound Obstet Gynecol 2018; 51: 189-193. Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology 51 (2) (2018)
Povilas Sladkevicius, Arnaud Jf Installé, Thierry van den Bosch, Dirk Timmerman, Beryl R Benacerraf, Ligita Jokubkiene, A Di Legge, A Votino, L Zannoni, Bart De Moor, B De Cock, Ben Van Calster, Lil Valentin
International Endometrial Tumor Analysis (IETA) terminology in women with postmenopausal bleeding and sonographic endometrial thickness ≥ 4.5 mm: agreement and reliability study. Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology 51 (2) (2018)
Chiara Landolfo, Lil Valentin, D Franchi, C Van Holsbeke, Robert Fruscio, Wouter Froyman, P Sladkevicius, J Kaijser, L Ameye, T Bourne, L Savelli, A Coosemans, Antonia Carla Testa, Dirk Timmerman
Differences in ultrasound features of papillations in unilocular-solid adnexal cysts: a retrospective international multicenter study. Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology 52 (2) (2018)
Laure Wynants, Richard D Riley, Dirk Timmerman, Ben Van Calster
Random-effects meta-analysis of the clinical utility of tests and prediction models. Statistics in medicine 37 (12) (2018)
Arnaud Jf Installé, Thierry van den Bosch, Bart De Moor, Dirk Timmerman
Clinical data miner: an electronic case report form system with integrated data preprocessing and machine-learning libraries supporting clinical diagnostic model research. JMIR medical informatics 2 (2) (2014)