Gas-filled, or air-filled lesions in bone are known as pneumocysts.[2] When a pneumocyst is found in a bone it is called an intraosseous pneumocyst, or a vertebral pneumocyst when found in a vertebra.[3]
^Atluri P, Karakousis GC, Porrett PM, Kaiser LR (2005). The Surgical Review: An Integrated Basic and Clinical Science Study Guide (Recall Series). Hagerstown, MD: Lippincott Williams & Wilkins. p. 376. ISBN0-7817-5641-3.