A bony sequestrum is a single piece of bone present in an area of osteolysis. It is separated from the surrounding bone and is primarily observed in patients with bone infection. We present our radiographic findings on 18F-FDG PET/CT in a case of esophageal squamous cell carcinoma with a sequestrum in the skull metastasis.
From the *Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu; and
†Department of Nuclear Medicine, The Second People's Hospital of Yibin, Yibin, China.
Received for publication June 24, 2018; revision accepted August 4, 2018.
Conflicts of interest and sources of funding: This study was supported by the Key Projects of the Ministry of Science and Technology (grant 2017YFC0113304) and the National Natural Science Foundation of China (grant 81471693). None declared to all authors.
Correspondence to: Rong Tian, MD, Department of Nuclear Medicine, West China Hospital, Sichuan University, 37 Guoxue Lane, Wuhou District, Chengdu, Sichuan 610000, People's Republic of China. E-mail: email@example.com.