Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Diffusion01:12

Diffusion

217.2K
Diffusion is the passive movement of substances down their concentration gradients—requiring no expenditure of cellular energy. Substances, such as molecules or ions, diffuse from an area of high concentration to an area of low concentration in the cytosol or across membranes. Eventually, the concentration will even out, with the substance moving randomly but causing no net change in concentration. Such a state is called dynamic equilibrium, which is essential for maintaining overall...
217.2K
Diffusion01:21

Diffusion

6.3K
Diffusion is a type of passive transport. In passive transport, a substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across the space. For example, take the diffusion of substances through the air. When someone opens a perfume bottle in a room filled with people, the perfume is at its highest concentration in the bottle and is at its lowest at the edges of the room. The perfume vapor will diffuse, or spread away, from the...
6.3K
Restriction Enzymes01:11

Restriction Enzymes

35.8K
Restriction enzymes are bacterial enzymes used to cut DNA in a sequence-specific manner. To cleave DNA, they bind to specific palindromic sequences called restriction sites. Such palindromic DNA sequences or inverted repeats are commonly found in regions of functional significance, such as the origin of replication, gene operator sites, and regions containing transcription termination signals.
The host bacteria protect their own genomic DNA from these enzymes by methylating these sites. Some...
35.8K
Facilitated Diffusion01:16

Facilitated Diffusion

1.2K
The plasma membrane, a critical structure in cellular biology, houses an array of transporters, or carrier proteins, interspersed within its lipid bilayer. These proteins play a crucial role in solute transport through facilitated diffusion, a form of passive diffusion that uses transporters to move the molecules across the membrane.
In this process, substrates such as organic compounds and ions interact with a transporter on one side, triggering conformational changes in proteins that enable...
1.2K
Ovarian Cycle01:27

Ovarian Cycle

3.6K
The menstrual cycle includes a critical component known as the ovarian cycle, which undergoes two main phases each month—the follicular phase and the luteal phase. The follicular phase is variable and averaging around 14 days. Ovulation, triggered by a surge in luteinizing hormone (LH), marks the transition between the two phases. The second phase, the luteal phase, is relatively consistent, lasting approximately 14 days, and is marked by the activity of the corpus luteum. While a cycle...
3.6K
Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

Cardiomyopathy IV: Restrictive Cardiomyopathy

498
Restrictive cardiomyopathy (RCM) is a rare heart muscle disease characterized by impaired ventricular filling due to stiffened ventricular walls, leading to significant diastolic dysfunction.EtiologyRestrictive cardiomyopathy can arise from both inherited and acquired diseases, many of which are systemic. It is categorized into four main types: infiltrative, storage, non-infiltrative, and endomyocardial diseases.Infiltrative diseases, such as amyloidosis, lead to RCM by depositing amyloid...
498

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

MRI Features of Intravenous Leiomyomatosis.

Journal of the Belgian Society of Radiology·2026
Same author

Uterine inflammatory myofibroblastic tumour.

BMJ case reports·2025
Same author

European Cancer Organisation Essential Requirements for Quality Cancer Care for ovarian cancer: Focus on the multidisciplinary team.

Tumori·2024
Same author

Smooth muscle tumours of the uterus: MR imaging malignant predictive features-a 12-year analysis in a referral hospital in Portugal.

Archives of gynecology and obstetrics·2023
Same author

MRI in the Evaluation of Locally Advanced Vulvar Cancer Treated with Chemoradiotherapy and Vulvar Cancer Recurrence: The 2021 Revision of FIGO Classification and the Need for Multidisciplinary Management.

Cancers·2022
Same author

Mucocele of the appendix: what to expect.

Radiologia brasileira·2022

Related Experiment Video

Updated: Jan 25, 2026

A Coregistered Ultrasound and Photoacoustic Imaging Protocol for the Transvaginal Imaging of Ovarian Lesions
10:21

A Coregistered Ultrasound and Photoacoustic Imaging Protocol for the Transvaginal Imaging of Ovarian Lesions

Published on: March 3, 2023

2.2K

Benign ovarian lesions with restricted diffusion.

Lisa Agostinho1, Mariana Horta2, João Cunha Salvador2

  • 1Hospital Beatriz Angelo - Radiologia, Loures, Portugal.

Radiologia Brasileira
|April 26, 2019
PubMed
Summary
This summary is machine-generated.

Diffusion-weighted imaging aids in diagnosing ovarian lesions. This review highlights specific benign ovarian tumors that exhibit restricted diffusion, often mimicking malignant characteristics on MRI scans.

Keywords:
Diffusion magnetic resonance imagingMagnetic resonance imagingOvaryPelvic neoplasms

More Related Videos

Application of Laparoscopic Partial Splenectomy with Total Blood Flow Occlusion in Benign Splenic Lesions
02:09

Application of Laparoscopic Partial Splenectomy with Total Blood Flow Occlusion in Benign Splenic Lesions

Published on: December 20, 2024

930
Surgical Techniques to Optimize Ovarian Reserve during Laparoscopic Cystectomy for Ovarian Endometrioma
11:29

Surgical Techniques to Optimize Ovarian Reserve during Laparoscopic Cystectomy for Ovarian Endometrioma

Published on: January 22, 2022

15.4K

Related Experiment Videos

Last Updated: Jan 25, 2026

A Coregistered Ultrasound and Photoacoustic Imaging Protocol for the Transvaginal Imaging of Ovarian Lesions
10:21

A Coregistered Ultrasound and Photoacoustic Imaging Protocol for the Transvaginal Imaging of Ovarian Lesions

Published on: March 3, 2023

2.2K
Application of Laparoscopic Partial Splenectomy with Total Blood Flow Occlusion in Benign Splenic Lesions
02:09

Application of Laparoscopic Partial Splenectomy with Total Blood Flow Occlusion in Benign Splenic Lesions

Published on: December 20, 2024

930
Surgical Techniques to Optimize Ovarian Reserve during Laparoscopic Cystectomy for Ovarian Endometrioma
11:29

Surgical Techniques to Optimize Ovarian Reserve during Laparoscopic Cystectomy for Ovarian Endometrioma

Published on: January 22, 2022

15.4K

Area of Science:

  • Radiology
  • Oncology
  • Gynecology

Background:

  • Magnetic resonance imaging (MRI) is crucial for evaluating female pelvic conditions, including ovarian lesions.
  • Diffusion-weighted imaging (DWI) enhances diagnostic accuracy for ovarian tumors, distinguishing benign from malignant types.
  • Malignant ovarian tumors typically display restricted diffusion, while benign ones usually do not.

Purpose of the Study:

  • To review benign ovarian lesions that present with restricted diffusion on DWI.
  • To emphasize key diagnostic features and potential challenges (pearls and pitfalls) of DWI in evaluating these lesions.

Main Methods:

  • Literature review focusing on studies utilizing diffusion-weighted imaging for ovarian lesion assessment.
  • Analysis of imaging characteristics of various benign ovarian lesions with restricted diffusion.

Main Results:

  • Certain benign ovarian lesions, such as teratomas, endometriomas, hemorrhagic cysts, abscesses, infarction, and some stromal tumors, can exhibit restricted diffusion.
  • This restricted diffusion pattern in benign lesions can be mistaken for malignancy.

Conclusions:

  • Awareness of benign ovarian lesions with restricted diffusion is essential for accurate diagnosis.
  • Careful interpretation of DWI, considering specific lesion types, is crucial to avoid misclassification and unnecessary interventions.