Key result
Surgical excision successfully treats a rare, unexpectedly ruptured calcified amorphous cardiac tumor without complications.
Case Report (n=1)
Highlights the potential for rapid rupture of calcified amorphous tumors of the heart and the feasibility of surgical intervention.
Rapid rupture possible in calcified amorphous cardiac tumors; leaves open optimal surveillance and intervention timing.
A calcified amorphous tumor (CAT) of the heart is a rare, non-neoplastic, intracavitary cardiac mass. Histological examination reveals the presence of calcified and amorphous fibrous material with underlying chronic inflammation. Some studies have reported that CAT typically exhibits rapid growth. However, we observed a case in which CAT unexpectedly ruptured within approximately two weeks. There was no cerebral infarction or significant valvular disease, therefore we were not sure about the indication for surgery; however considering the epidemiological possibility of CAT, we decided to operate and were able to treat the patient without complications.
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Shirakura et al. (2025) conducted a case report in Calcified amorphous tumor (CAT) of the heart (n=1). Surgery was evaluated on Surgical treatment outcome. Surgical excision successfully treated a rare case of a calcified amorphous tumor of the heart that unexpectedly ruptured within approximately two weeks, without complications.
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