RESEARCH ARTICLE


Benign Notochordal Cell Tumor of the Sacrum with Atypical Imaging Features: The Value of CT Guided Biopsy for Diagnosis



Dario Pasalic1, *, Patrick H. Luetmer2, Christopher H. Hunt2, Peter S. Rose3, Felix E. Diehn2, Andrew L. Folpe4, Doris E. Wenger2
1 Mayo Medical School, Mayo Clinic, Rochester, MN 55905, USA
2 Department of Radiology, Mayo Clinic, Rochester, MN 55905, USA
3 Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA
4 Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN 55905, USA


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© Pasalic et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/), which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the Mayo Clinic, 200 First Street SW, Rochester, MN, USA; Tel: (602)-384-7773; E-mail: pasalic.dario@mayo.edu


Abstract

We report a case of a benign notochordal cell tumor (BNCT) of the sacrum with atypical imaging features, which was incidentally discovered in a 74-year-old man undergoing evaluation for progressively worsening hip and back pain. It is important for radiologists, pathologists and orthopedic surgeons to be aware of the diagnosis of BNCT and be familiar with its radiographic features to avoid unnecessary treatment. This case illustrates the advantage of percutaneous computed tomography (CT)-guided biopsy as a minimally invasive technique for definitive diagnosis of a BNCT with atypical imaging features.

Keywords: Benign notochordal cell tumor, Benign chordoma, Giant notochordal hamartoma, Giant notochordal rest and Needle biopsy.