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Related Concept Videos

Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

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Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
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Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

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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...
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Cardiomyopathy, or CMP, is a group of diseases affecting the myocardial structure, impairing its ability to pump blood effectively. This condition can lead to arrhythmias, heart failure, or sudden cardiac death.Cardiomyopathies are classified into primary and secondary categories:Primary Cardiomyopathy refers to conditions involving only the heart muscle that are often idiopathic (of unknown cause) or genetic. They primarily affect the myocardium without the involvement of other systemic...
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Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
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Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients.
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Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
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Related Experiment Video

Updated: Nov 19, 2025

A Syngeneic Orthotopic Osteosarcoma Sprague Dawley Rat Model with Amputation to Control Metastasis Rate
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Cardiac sarcoma.

Carl Fredrik Bonnevie Hamre, Eirik Magnus Hobbel Kvammen, Leif Erik Vinge

    Tidsskrift for Den Norske Laegeforening : Tidsskrift for Praktisk Medicin, Ny Raekke
    |April 24, 2020
    PubMed
    Summary

    Cardiac sarcoma, though rare, is the most common malignant heart tumor. This case highlights a young woman whose cardiac sarcoma initially mimicked psychiatric illness, emphasizing the need for thorough diagnosis.

    Area of Science:

    • Cardiology
    • Oncology
    • Psychiatry

    Background:

    • Cardiac sarcoma is the most common malignant cardiac tumor, despite its rarity.
    • Cardiac tumors can present with constitutional symptoms, potentially delaying diagnosis.

    Purpose of the Study:

    • To present a rare case of cardiac sarcoma with atypical psychiatric symptoms.
    • To highlight the importance of considering cardiac pathology in patients with unexplained constitutional and psychiatric symptoms.

    Main Methods:

    • A case report of a young woman presenting with symptoms suggestive of depressive psychosis.
    • Diagnostic workup including thorough somatic examination and imaging.
    • Surgical intervention and histological analysis.

    Main Results:

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    • A left atrial intimal sarcoma obstructing the mitral valve was diagnosed.
    • Surgical removal of the tumor led to the resolution of psychiatric symptoms.
    • Histology confirmed intimal sarcoma.

    Conclusions:

    • Cardiac tumors can present with diverse and atypical symptoms, including psychiatric manifestations.
    • Prompt diagnosis and surgical treatment of cardiac sarcoma can lead to favorable outcomes and symptom resolution.