Related Experiment Video
Updated: Jan 22, 2026
11:37
In vitro Enrichment of Ovarian Cancer Tumor-initiating Cells
Published on: February 18, 2015
14.2K
Clinical Performance Comparison of Two In-Vitro Diagnostic Multivariate Index Assays (IVDMIAs) for Presurgical
Lee P Shulman1, Marra Francis2, Rowan Bullock2
1Division of Clinical Genetics, Department of Obstetrics and Gynecology, Feinberg School of Medicine of Northwestern University, Chicago, IL, USA. Lps5@cornell.edu.
Advances in Therapy
|July 7, 2019
Summary
A new ovarian cancer screening tool, the second-generation multivariate index assay (MIA2G), demonstrated superior accuracy in identifying malignancies compared to the Risk of Ovarian Malignancy Assay (ROMA). MIA2G misclassified fewer cancers, improving early detection potential.
Area of Science:
- Gynecology
- Oncology
- Diagnostic Assays
Background:
- Adnexal or pelvic masses frequently raise suspicion for malignancy, particularly ovarian cancer.
- Early and accurate identification is crucial for appropriate referral and optimal patient outcomes.
- Current triage algorithms aim to differentiate benign from malignant masses.
Purpose of the Study:
- To compare the screening capabilities of a new in vitro diagnostic multivariate index assay (MIA2G) against a current triage algorithm (ROMA).
- To evaluate the diagnostic accuracy of MIA2G and ROMA in identifying ovarian malignancies.
Main Methods:
- Comparative analysis of two in vitro diagnostic multivariate index assays (IVDMIAs).
- The assays evaluated were a new second-generation multivariate index assay (MIA2G) and the Risk of Ovarian Malignancy Assay (ROMA).
Main Results:
- MIA2G misclassified fewer malignancies (22) than ROMA (51), including fewer high-grade ovarian malignancies (5 vs. 10).
- ROMA misclassified more early-stage cancers (20 vs. 8) and had a higher rate of "test-negative" malignancies.
- MIA2G exhibited a higher rate of "test-positive" benign cases.
Conclusions:
- Triage algorithms are vital for improving clinical outcomes in women with adnexal masses.
- The MIA2G assay demonstrated superior performance in correctly predicting ovarian cancer cases compared to the ROMA algorithm.
Related Concept Videos
01:27Myocarditis II: Clinical Features and Diagnostic Tests
278
Myocarditis is an inflammation of the heart muscle. The symptoms vary widely, encompassing asymptomatic presentations to severe, acute manifestations.Clinical PresentationAsymptomatic cases: In some instances, myocarditis may be asymptomatic, with the infection resolving without intervention. These cases often go undetected unless discovered incidentally through diagnostic imaging or tests conducted for other reasons.General Early Symptoms: Early symptoms of myocarditis are non-specific and can...
278
01:27Atherosclerosis II: Clinical Manifestations and Diagnostic Tests
485
Atherosclerosis is a progressive disorder that leads to the thickening and narrowing of arterial walls due to plaque buildup. This condition can cause various symptoms depending on the arteries affected:Coronary Artery Disease (CAD): This condition affects the coronary arteries and may lead to chest pain (angina), shortness of breath (dyspnea), heart attacks, and other heart disease symptoms.Cerebrovascular Disease: This affects blood flow to the brain, causing transient ischemic attacks (TIAs)...
485
01:21Aneurysm II: Clinical Manifestations and Diagnostic Studies
315
Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
315
01:19Pericarditis II: Clinical Features and Diagnostic Tests
297
Pericarditis is distinguished by inflammation of the pericardium, the fibrous sac that encases the heart. It can be acute, lasting less than six weeks, or chronic, persisting for over three months. Understanding its clinical manifestations and diagnostic findings is crucial for timely and effective management.Clinical ManifestationsWhile pericarditis can be asymptomatic, it usually presents with characteristic symptoms such as:Chest Pain: The most characteristic symptom of pericarditis is chest...
297
01:23Mitral Stenosis II: Clinical features and Diagnostic Tests
228
Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
228
01:22Aortic Regurgitation II: Clinical Features and Diagnostic Tests
434
Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
434