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Laparoscopic Anatomical Right Hemihepatectomy via the In Situ Anterior Approach
Published on: August 8, 2025
Successful resection of giant hemangiopericytoma originating from the left atrium
Nobuchika Ozaki1, Nobuhiko Mukohara, Masato Yoshida
1Department of Cardiovascular Surgery, Hyogo Brain and Heart Center at Himeji, 520 Saisho-ko, Himeji, 670-0981, Japan.
Insights
A rare giant hemangiopericytoma in the left atrium caused severe breathing problems and hemodynamic instability. Emergency surgery successfully removed the malignant tumor, confirming a rare cardiac malignancy.
Area of Science:
- Cardiovascular Surgery
- Surgical Oncology
- Pathology
Background:
- Giant hemangiopericytoma is a rare tumor that can occur in various locations.
- Cardiac tumors, especially large ones, can lead to significant and life-threatening complications.
- Left atrial tumors pose unique surgical challenges due to their location and potential impact on hemodynamics.
Purpose of the Study:
- To report a rare case of a giant hemangiopericytoma in the left atrium.
- To describe the diagnostic and surgical management of this rare cardiac tumor.
- To highlight the importance of prompt surgical intervention in cases of hemodynamic compromise.
Main Methods:
- Case report of a patient with a giant left atrial hemangiopericytoma.
- Preoperative diagnosis using echocardiography.
- Emergency surgical excision of the tumor.
- Histopathological examination for definitive diagnosis.
Main Results:
- A giant hemangiopericytoma was identified in the left atrium, causing severe dyspnea.
- Echocardiography revealed tumor herniation into the left ventricle during diastole.
- Emergency surgery was necessitated by hemodynamic failure.
- Successful tumor excision with the left atrial wall was achieved.
- Histological analysis confirmed the tumor as a malignant hemangiopericytoma.
Conclusions:
- Giant hemangiopericytoma of the left atrium is a rare but critical condition.
- Prompt diagnosis and emergency surgical intervention are vital for patient survival.
- Malignant hemangiopericytoma requires careful surgical management and further oncological consideration.
Abstract:
We report a case of a giant hemangiopericytoma in the left atrium showing severe dyspnea. Preoperative echocardiogram showed the giant tumor herniating into the left ventricle during cardiac diastole. Emergency surgery was performed due to failure of hemodynamics. The tumor was identified to originate from the posterior wall of the left atrium and was successfully excised with the left atrial wall. Histological investigations revealed existence of malignant hemangiopericytoma.
