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. Author manuscript; available in PMC: 2019 Dec 1.
Published in final edited form as: Semin Ultrasound CT MR. 2018 Sep 26;39(6):570–586. doi: 10.1053/j.sult.2018.09.003

Figure 19.

Figure 19.

Degenerative vacuum phenomenon with coexistent acute pyogenic DOM. A) Sagittal CT image coned in to the lower lumbar spine from a 48 year old man presenting with 1 month of progressive low back pain shows advanced disc height loss and gas within the L5-S1 disc consistent with degenerative vacuum phenomenon (arrow in A). Sagittal T2-w (B) and sagittal (C) and axial (D) T1-w post contrast FS images from lumbar spine performed on the same day as CT shows findings consistent with acute L5-S1 DOM with prominent ventral epidural abscess (arrow in B and C) and epidural phlegmon centered at the L5-S1 level (arrows in D).