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Related Concept Videos

Coronary Circulation01:21

Coronary Circulation

The heart, an organ critical to survival, gets nourishment not from the blood it pumps but from a separate circulation system known as coronary circulation. This is the shortest circulation in the body and is responsible for supplying the heart with the nutrients it needs to function effectively.
Coronary circulation begins at the base of the aorta, where two main arteries arise—the left and right coronary arteries. These arteries encircle the heart in the coronary sulcus and supply the...
Cardiac Catheterization II: Right Heart Catheterization01:21

Cardiac Catheterization II: Right Heart Catheterization

Right Heart Catheterization: An OverviewRight heart catheterization is an invasive diagnostic procedure that measures right-sided cardiac and pulmonary artery pressures, calculates cardiac output, and identifies intracardiac shunts. It provides detailed hemodynamic data essential for diagnosing and managing various cardiovascular conditions, such as pulmonary hypertension.Access SitesCommon access sites for right heart catheterization include the internal jugular vein in the neck region, the...
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

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...
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

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...
Aneurysm I: Introduction01:30

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An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

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...

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Updated: Jun 23, 2026

Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery ALCAPA
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Primary Cardiac Angiosarcoma Presenting as Right Atrial Pseudoaneurysm.

Aws Kamona1, Stefan L Zimmerman1

  • 1Department of Radiology, Johns Hopkins University School of Medicine, 1800 Orleans St, Baltimore, MD 21218-2625.

Radiology. Cardiothoracic Imaging
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PubMed
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This case report details a rare cardiac angiosarcoma initially misdiagnosed as a mycotic pseudoaneurysm. Early diagnosis of primary heart tumors remains challenging, impacting prognosis.

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Area of Science:

  • Cardiology
  • Oncology
  • Radiology

Background:

  • Primary cardiac tumors are rare, with angiosarcoma being the most common malignant type.
  • Cardiac angiosarcoma often presents late, leading to a poor prognosis.
  • Differentiating malignant tumors from benign conditions like mycotic pseudoaneurysms can be diagnostically challenging.

Purpose of the Study:

  • To report a case of cardiac angiosarcoma with an atypical initial presentation.
  • To highlight the diagnostic difficulties in early detection of primary malignant heart tumors.
  • To emphasize the importance of considering rare diagnoses in challenging clinical scenarios.

Main Methods:

  • Case report of a male patient presenting with chest pain and shortness of breath.
  • Diagnostic imaging included Chest CT.
  • Surgical intervention and subsequent follow-up.

Main Results:

  • Initial Chest CT revealed a mycotic right atrial pseudoaneurysm with pericarditis and hemopericardium.
  • Post-surgery, there was no gross or pathologic evidence of malignancy.
  • Two months later, the patient presented with confirmed metastatic cardiac angiosarcoma.

Conclusions:

  • This case underscores the atypical presentation of cardiac angiosarcoma.
  • Early diagnosis of primary malignant cardiac neoplasms is difficult and crucial for patient outcomes.
  • Rethinking initial diagnoses is vital when clinical suspicion arises despite negative initial findings.