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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 24:1707-1710, September 2003
© 2003 American Society of Neuroradiology

Case Report
SPINE

Enlarging Vertebral Body Pneumatocysts in the Cervical Spine

Tomoaki Kitagawa^a, Atsushi Fujiwara^a, Kazuya Tamai^a, Naoki Kobayashi^a, Kazuhiko Saiki^a, Sadatoshi Omata^a and Koichi Saotome^a

^a From the Department of Orthopedic Surgery, Dokkyo University School of Medicine, Mibu-machin, Tochigi, Japan

Address correspondence to Atsushi Fujiwara, M.D., Ph.D., Dokkyo University School of Medicine, Department of Orthopedic Surgery, 880 Kita-Kobayashi, Mibu-machi, Tochigi, 321-0293 Japan

Summary: An intravertebral pneumatocyst is a relatively rare condition, and its natural course and etiology are unclear. We report a case of intravertebral pneumatocysts in the C5 vertebra that gradually enlarged during a 16-month period as documented by follow-up CT. In addition, direct communication was observed between the gas in the intervertebral disk and another pneumatocyst in the C6 vertebral body, which suggests that the gas in the pneumatocyst had an association with the gas in the degenerated intervertebral disk.