Multiple Imaging and Surgical Characteristics in Cardiac Metastasis from Undifferentiated Uterine Sarcoma
Hiroka Sasahara1,2, Shoichiro Yatsu1, Hideki Wada1
1Department of Cardiovascular Medicine, Juntendo University Shizuoka Hospital, Izunokuni-shi, Japan.
Insights
Undifferentiated uterine sarcoma (UUS) rarely metastasizes to the heart. This case highlights the diagnostic challenges and rapid progression of cardiac metastasis from UUS.
Area of Science:
- Oncology
- Cardiology
- Pathology
Background:
- Undifferentiated uterine sarcoma (UUS) is a rare and aggressive uterine malignancy.
- Cardiac metastasis is uncommon, and UUS as a primary source is exceptionally rare.
- Understanding UUS cardiac metastasis is crucial due to its aggressive nature.
Observation:
- A 66-year-old woman presented with a large uterine tumor and cardiac masses.
- Imaging modalities (ultrasound, CT, MRI) were inconclusive in differentiating cardiac masses as metastasis or thrombi.
- Surgical removal and pathological examination confirmed cardiac masses as UUS metastasis to the right ventricle.
Findings:
- Pathological diagnosis confirmed undifferentiated uterine sarcoma metastasis to the right ventricle.
- The patient experienced rapid disease progression despite surgical intervention and chemotherapy.
- The case underscores the diagnostic difficulties associated with UUS cardiac metastasis.
Implications:
- This case highlights the importance of considering rare metastatic origins in cardiac masses.
- Early and accurate diagnosis is critical for managing UUS cardiac metastasis.
- Further research is needed to understand the mechanisms and develop effective treatments for UUS cardiac metastasis.
Abstract:
Although cardiac metastasis of malignant tumors has often been reported, undifferentiated uterine sarcoma (UUS) is a rare and aggressive uterine tumor. Thus, little is known of the UUS as a primary site of cardiac metastasis. We report a case of a 66-year-old woman, with a history of uterine myoma for 30 years, who was hospitalized with a large uterine tumor and cardiac masses. Although we investigated cardiac masses using imaging modalities, such as ultrasound, cardiac computer tomography, and magnetic resonance imaging, it was challenging to determine the masses as metastasis or thrombi. Cardiac masses were removed by surgery to assess the tissue characteristics and were later identified as tumors due to their appearance. Then, pathological findings revealed that UUS spreads to the right ventricle. We attempted chemotherapy after surgery; however, the disease progressed very quickly and the patient died on the 49th day of admission. In this report, we described the case of a patient with a difficult diagnosis and rapid disease progression of cardiac metastasis from UUS.
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