Expert's comment concerning Grand Rounds case entitled "Aggressive vertebral hemangioma of the thoracic spine without typical radiological appearance" (Lei Dang, Chen Liu, Shao Min Yang, Liang Jiang, Zhong Jun Liu, Xiao Guang Liu, Hui Shu Yuan, Feng

Expert's comment concerning Grand Rounds case entitled "Aggressive vertebral hemangioma of the thoracic spine without typical radiological appearance" (Lei Dang, Chen Liu, Shao Min Yang, Liang Jiang, Zhong Jun Liu, Xiao Guang Liu, Hui Shu Yuan, Feng