Figure 12. Enhanced CT scan in a 54-year-old woman with sickle cell disease showing bilateral paravertebral soft tissue masses (arrows), consistent with extramedullary haematopoiesis. (From Slone RM, Gierada DS. Pleura, chest wall, and diaphragm. In Lee JKT, Sagel SS, Stanley RJ, Heiken JP, editors. Computed body tomography with MRI correlation (3rd edn). Philadelphia, USA: Lippincott-Raven Publishers, 1998:351–454 [17]. Reprinted with permission).