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A myxoma is a rare benign tumor of the heart. Myxomata are the most common primary cardiac tumor in adults, and are most commonly found within the left atrium near the valve of the fossa ovalis. Myxoma may also develop in the other heart chambers. [1] The tumor is derived from multipotent mesenchymal cells. [1]
The LAMB acronym refers to lentigines, atrial myxomas, and blue nevi. [1] NAME refers to nevi, atrial myxoma, myxoid neurofibromas, and ephelides. [1] Testicular cancer, particularly Sertoli cell type, is associated with Carney syndrome. [7] Thyroid and pancreas cancer may also occur. [8] [9]
An atrial myxoma may create an extra heart sound, audible to auscultation just after S2. It is most seen on echocardiography, as a pedunculated mass that is heterogeneous in appearance. A left atrial myxoma will cause an increase in pulmonary capillary wedge pressure. [citation needed]
The most common primary tumor of the heart is the myxoma. In surgical series, the myxoma makes up as much as 77% of all primary tumors of the heart. [2] Less common tumors of the heart include: [3] Lipoma; Rhabdomyoma; Cystic tumor of the atrioventricular nodal region. [citation needed]
Atrial myxoma. This tumoral phenotype is shared by many tumoral entities: Myxomas. Atrial myxoma; Odontogenic myxoma; Cutaneous myxoma; Intramuscular myxoma; Myxoid hamartoma; Aggressive angiomyxoma; Myxoid leiomyoma; Chondromyxoid fibroma; Myxoid neurofibroma; Nerve sheath myxoma (neurothekeoma) Myxolipoma; Angiomyofibroblastoma; Myxoid ...
Isolated TS are often associated with carcinoid disease and right atrial myxoma. Mid-diastolic Atrial myxoma: Atrial myxomas are benign tumors of the heart. Left myxomas are far more common than right myxomas and those may cause obstruction of the mitral valve producing a mid-diastolic murmur similar to that of mitral stenosis. Mid-diastolic
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A rhabdomyoma is a benign tumor of striated muscle.Rhabdomyomas may be either cardiac or extracardiac (occurring outside the heart). Extracardiac forms of rhabdomyoma are sub-classified into three distinct types: adult type, fetal type, and genital type.