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A benign tumor composed of mucinous connective tissue.



a benign tumor made up of connective tissue and containing a large amount of mucus. Myxomas arise from residues of embryonic (mucous) connective tissue or from mucous transformation of fibromas or lipomas. They may be found in all organs, particularly in the extremities, subcutaneous tissue, and mesentery. Myxomas are treated by surgery; they may recur if not completely excised.

References in periodicals archive ?
7) Although small myxomas are generally treated by curettage, larger lesions require extensive resection.
Out of 9 left atrial myxomas, 7 were pedunculated and attached to the atrial septum, while 2 cases attached to the posterior wall of the left atrium.
Syncope and sudden death caused by cardiac myxomas have been reported.
Allen PW Myxoma is not a single entity: a review of the concept of myxoma.
Of these, four were female and had a mean age of 53 years; the mean size (as reported by pathology) of the atrial myxomas that were not associated with atrial fibrillation was 2.
Benign myxomas have high recurrence rates (25%), which may be within two years or much later, but despite this the prognosis is good depending on the anatomical location (3,4).
M152R encodes an atypical serpin, the deletion of which triggers an attenuation of virulence in rabbit, associated with the absence of secondary myxomas (28).
Myxomas are uncommon soft-tissue neoplasms, which are extremely rare in the kidney.
Lutz' report also stated that most patients who have surgery for timely diagnosed atrial myxomas have excellent results.
Of primary cardiac tumors, myxomas, which are benign, are the most common and most likely to produce brain emboli.
While rare, papillary myxomas are the most common primary cardiac mass.