• Katsuyoshi Ando, Mikihiro Fujiya, Moe Yoshida, Yu Kobayashi, Yuya Sugiyama, Yuki Murakami, Takuya Iwama, Hiroki Sato, Takahiro Sasaki, Takehito Kunogi, Keitaro Takahashi, Nobuhiro Ueno, Shin Kashima, Kentaro Moriichi, Hiroki Tanabe, and Toshikatsu Okumura.
• Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Japan.
• Intern. Med. 2021 Jan 1; 60 (3): 373-378.

AbstractA 60-year-old man had received octreotide for a metastatic neuroendocrine tumor (NET) in the rectum. Computed tomography and ultrasonography revealed a cardiac tumor, diffuse thickness of the ventricular wall and pericardial effusion, which was diagnosed as cardiac metastasis. The metastatic lesions continued to grow despite the alteration of chemotherapy, and the patient complained of repeated syncope and was admitted to our hospital at 11 months after the diagnosis of cardiac metastasis. An electrocardiogram during syncope showed sustained ventricular tachycardia, which was considered to be caused by the cardiac metastasis. We herein report a case of NET with cardiac metastasis which caused lethal arrhythmia along with a review of the pertinent literature.

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