Related Experiment Video
Updated: May 6, 2026
07:41
Quantification of Levator Ani Hiatus Enlargement by Magnetic Resonance Imaging in Males and Females with Pelvic Organ Prolapse
Published on: April 17, 2019
9.4K
MR perfusion for pelvic female imaging.
I Thomassin-Naggara1, P Siles, D Balvay
1Radiology department, Tenon Hospital, AP-HP, 4, rue de la Chine, 75020 Paris, France; Research imaging department, UMR970, Paris, France.
Diagnostic and Interventional Imaging
|November 5, 2013
Summary
Perfusion MRI is a valuable tool for detecting cervical cancers and staging endometrial cancers. This advanced imaging technique also aids in characterizing complex adnexal masses with high diagnostic accuracy.
Area of Science:
- Radiology
- Oncology
- Medical Imaging
Background:
- Perfusion MRI utilizes T1-weighted imaging with high temporal resolution for female pelvic studies.
- Established utility in detecting cervical cancers and staging endometrial cancers, including recurrence identification and cervical invasion assessment.
Purpose of the Study:
- To evaluate the role of perfusion MRI in characterizing adnexal tumors.
- To assess the diagnostic performance of perfusion MRI combined with morphological MRI and diffusion sequences for complex adnexal masses.
Main Methods:
- T1-weighted imaging acquired at high temporal resolution.
- Post-processing via visual analysis, curve description, or compartmental modeling.
- Integration with morphological MRI and diffusion sequences for a decision-making algorithm.
Main Results:
- Perfusion MRI demonstrates utility in characterizing adnexal tumors based on microvascular wall properties.
- A combined algorithm incorporating perfusion MRI, morphological MRI, and diffusion sequences achieved 95.4% diagnostic performance in characterizing complex adnexal masses.
Conclusions:
- Perfusion MRI is a powerful tool for gynecologic oncology, aiding in cancer detection, staging, and characterization of pelvic masses.
- The combination of advanced MRI techniques offers high diagnostic accuracy for complex adnexal lesions.
Related Concept Videos
01:13Radiological Investigation III: Pulmonary Angiogram and PET Scan
732
Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
732
01:27Imaging Studies IV: Magnetic Resonance Imaging
432
Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
432
01:19Imaging Studies VII: Vascular Imaging
568
DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
568
01:30Radiological Investigation II: MRI and Ventilation Perfusion Scan
1.0K
Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
1.0K
01:25Imaging Studies II: Positron Emission Tomography and Scintigraphy
863
Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET
Fundamental Principles of PET
863
01:24Imaging Studies II: Ultrasonography
925
IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
925