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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]
A left atrial myxoma will cause an increase in pulmonary capillary wedge pressure. [citation needed] The differential diagnosis include other cardiac tumors such as lipomas and rhabdomyomas (and rarely teratomas). These other tumors of the heart are typically not pedunculated, however, and are more likely to infiltrate the muscle
Carney complex and its subsets LAMB syndrome [1] and NAME syndrome [1] are autosomal dominant conditions comprising myxomas of the heart and skin, hyperpigmentation of the skin (lentiginosis), and endocrine overactivity. [2] [3] It is distinct from Carney's triad. Approximately 7% of all cardiac myxomas are associated with Carney complex. [4]
2 Pathology. 3 Treatment. 4 See also. ... Cystic tumour of the atrioventricular nodal region is a very rare tumour of the heart in the region of the ... Atrial myxoma ...
A myxoid tumor is a connective tissue tumor with a "myxoid" background, composed of clear, mucoid substance. [1]Atrial myxoma. This tumoral phenotype is shared by many tumoral entities:
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]
A papillary fibroelastoma is a primary tumor of the heart that typically involves one of the heart valves. [1] Papillary fibroelastomas, while considered uncommon, make up about 10 percent of all primary tumors of the heart. [2] They are the third most common type of primary tumor of the heart, [3] behind cardiac myxomas and cardiac lipomas.
It is much more common to find metastasis from an alternate site than a primary heart tumor. [7] However, primary cardiac tumors do occur. One of these is the cardiac rhabdomyoma. Approximately 80-90% of these tumors are found in patients with tuberous sclerosis, a genetic condition causing multiple tumors, with most found prior to the age of ...