A unique case of benign notochord cell tumor in which the cervical vertebral body and its accessories were eroded by the tumor

Author:

Huang Yao1,Xue Jingbo1,Tan Jinghua1,Ouyang Xueqian1,Meng Zhenyu1,Ma Xiuwen1,Yan Yiguo1

Affiliation:

1. The First Affiliated Hospital of University of South China

Abstract

Abstract

Background Benign notochordal cell tumor is an extremely rare benign tumor. Usually, the central axis of the human body is found. we describe a rare case of BNCT involving the cervical vertebral body and its appendages, mainly focusing on its imaging and pathological features. To our knowledge, no similar cases have been previously reported. Case presentation The patient, a 50-year-old woman, had experienced neck pain and discomfort for 10 years. Radiography and computed tomography revealed a scattered high-density shadow located in the C4 vertebral body and its attachment area. Plain magnetic resonance imaging showed that the T1-weighted images had a uniformly low signal. Conversely, T2-weighted magnetic resonance imaging displayed a constantly high signal intensity, with no unmistakable enhancement signal observed in the enhanced images. Under a microscope, the cells from resected tissue had a lamellar structure with homogeneous adipocyte-like vacuolated and less-vacuolated eosinophils. Immunohistochemical staining showed positivity to immunohistochemical markers, such as AE1 / AE3 (CK-pan) and brachyury. Because of the rare nature of benign intraosseous chordal cell tumors, it is necessary to record and review them. This is a rare manifestation of BNCT. Conclusion BNCT can exist in the vertebral body and its appendages of the cervical spine at the same time or may suggest that BNCT has a certain degree of intraosseous erosion ability. For patients diagnosed with BNCT, the most appropriate treatment plan should be selected to avoid the adverse effects of overtreatment.

Publisher

Springer Science and Business Media LLC

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