BMJ Case Reports 2013; doi:10.1136/bcr-2012-008248

Three-dimensional volumetric rendition of cannon ball pulmonary metastases by the use of 3D Slicer, an open source free software package

  1. Govindarajan J Mallarajapatna2
  1. 1Department of Radiation Oncology, HealthCare Global-Bangalore Institute of Oncology, Bengaluru, Karnataka, India
  2. 2Department of Radiology & Imaging, HealthCare Global-Bangalore Institute of Oncology, Bengaluru, Karnataka, India
  1. Correspondence to Dr Swaroop Revannasiddaiah, swarooptheone{at}


A gentleman treated 6 years ago for colonic carcinoma (stage-IIA) had been on regular follow-up for a span of 4 years, when he was apparently disease-free. After being lost to follow-up in the past 2 years, he was recently diagnosed with a pathological fracture of the seventh thoracic vertebra (figure 1) for which he underwent surgery (vertebral fixation and cord decompression) on an emergency basis.

Figure 1

CT scan demonstrating the fractured seventh thoracic vertebral body (white arrow).

Postoperatively, he underwent a …

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