Related Experiment Video
Updated: Oct 26, 2025
04:40
Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
Published on: August 28, 2018
15.5K
The Spectrum of Caseous Mitral Annulus Calcifications
Agnes Mayr1, Silvana Müller2, Gudrun Feuchtner1
1University Clinic of Radiology, Medical University Innsbruck, Innsbruck, Austria.
JACC. Case Reports
|July 28, 2021
Summary
Mitral annular calcification (MAC) can develop into a rare caseous form. This study showcases diverse caseous MAC presentations using multimodal imaging.
Area of Science:
- Cardiology
- Radiology
- Pathology
Background:
- Mitral annular calcification (MAC) is a chronic, degenerative condition affecting the heart's mitral annulus.
- A rare variant, caseous MAC, can develop from MAC, sometimes involving liquefaction necrosis.
Observation:
- This study presents a series of cases illustrating the varied appearances of caseous MAC.
- Multimodal imaging techniques were employed to visualize these diverse manifestations.
Findings:
- Caseous MAC exhibits heterogeneous imaging characteristics.
- The spectrum of presentations ranges from typical calcification to more complex liquefaction necrosis patterns.
Implications:
- Understanding these varied presentations is crucial for accurate diagnosis and management of caseous MAC.
- Multimodal imaging plays a vital role in characterizing this uncommon cardiac condition.
Related Concept Videos
01:23Mitral Stenosis II: Clinical features and Diagnostic Tests
50
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...
50
01:22Mitral Stenosis I: Introduction
93
Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
93
01:23Mitral Regurgitation II: Clinical Features and Diagnostic Tests
91
Mitral regurgitation (MR) is a valvular heart disorder in which the mitral valve fails to close tightly, allowing blood to leak backward into the heart. Understanding the clinical manifestations, assessment, diagnostic findings, and medical management of MR is crucial to effectively managing affected patients.Clinical Manifestations of Mitral RegurgitationMitral regurgitation can be acute or chronic, each presenting differently and requiring different approaches:1. Acute Mitral...
91
01:22Mitral Valve Prolapse II: Assessment and Management
87
IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular...
87
01:27Mitral Valve Prolapse I: Introduction
87
IntroductionThe mitral valve, one of the heart's four valves, regulates blood flow. These valves have flaps that open and close to direct blood properly through the heart and body. During each heartbeat, the flaps open for blood to pass through and seal shut to prevent backflow. Specifically, the mitral valve opens to allow blood flow from the heart's upper left chamber to the lower left chamber. It then closes securely as the lower left chamber contracts to pump blood to the body, preventing...
87
01:22Aortic Regurgitation II: Clinical Features and Diagnostic Tests
96
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...
96