Kelly Shawn C, Steffen Kelly, Stys Adam T
S D Med. 2014 Oct;67(10):409-11, 413.
Atrial myxomas are the most common benign intracavitary cardiac neoplasms. They most frequently occur in the left atrium. Right atrial tumors are rare, comprising 20 percent of myxomas achieving an incidence of 0.02 percent. Due to their rarity, right atrial tumor development and associated clinical symptoms has not been well described. The classical clinical triad for the presentation of left atrial myxomas--heart failure, embolic events, and constitutional symptoms--may not be applicable to right sided tumors. Also, natural development of myxoma is not well described, as surgical resection is the common practice. Previously ascribed growth rates of myxomas refer mostly to left atrial ones, as right atrial tumors are rare. We present a case of right atrial myxoma with growth rates exceeding those previously described.
心房黏液瘤是最常见的良性心腔内心脏肿瘤。它们最常发生于左心房。右心房肿瘤较为罕见，占黏液瘤的20%，发病率为0.02%。由于其罕见性，右心房肿瘤的发生发展及相关临床症状尚未得到充分描述。左心房黏液瘤的典型临床三联征——心力衰竭、栓塞事件和全身症状——可能不适用于右侧肿瘤。此外，由于通常采取手术切除，黏液瘤的自然发展情况也未得到充分描述。先前报道的黏液瘤生长速度大多针对左心房黏液瘤，因为右心房肿瘤较为罕见。我们报告一例右心房黏液瘤，其生长速度超过先前描述的速度。
