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. 2019 Feb 22;13(1):92-94.
doi: 10.14444/6012. eCollection 2019 Jan.

A Rare Case of a Discal Cyst Following Percutaneous Endoscopic Lumbar Discectomy via a Transforaminal Approach

Hiroaki Manabe  1 , Kosaku Higashino  1 , Kosuke Sugiura  1
Affiliations

A Rare Case of a Discal Cyst Following Percutaneous Endoscopic Lumbar Discectomy via a Transforaminal Approach

Hiroaki Manabe et al. Int J Spine Surg. .

Abstract

A discal cyst is a rare lesion that causes low back pain and radiculopathy of the lower extremities. There are several reports of discal cysts occurring after surgery, but data are limited on their occurrence after percutaneous endoscopic discectomy (PED). A 21-year-old man with disc herniation at the L4-L5 disc level underwent PED via a transforaminal approach. The immediate postoperative course was uneventful and his symptoms were relieved. Six weeks after surgery, low back pain and mild pain in the left thigh recurred. Magnetic resonance imaging (MRI) revealed a cystic lesion adjacent to the left side of the L4-L5 intervertebral disc. Conservative treatment was ineffective, so we reoperated using PED with the same approach. Pain improved and MRI revealed disappearance of the cystic lesion. When symptoms relapse after PED, it is necessary to consider the occurrence of a cyst.

Keywords: discal cyst; lumbar disc herniation; percutaneous endoscopic lumbar discectomy; transforaminal approach.

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Conflict of interest statement

Disclosures and COI: The authors received no funding for this study and report no conflicts of interest.

Figures

Figure 1
Figure 1
Preoperative T2-weighted magnetic resonance imaging (MRI) (sagittal view) shows disc herniation at the L4-L5 disc level (A) and axial view of MRI shows left side herniation (B).
Figure 2
Figure 2
Postoperative radiographic findings at 6 weeks show a cystic lesion on the left side of L4-L5 disc on T2-weighted magnetic resonance imaging (A, B) and enhancement of the mass on contrast radiography (C, D).
Figure 3
Figure 3
At 5 days after revision percutaneous endoscopic discectomy (PED) surgery, the discal cyst disappeared on T2-weighted magnetic resonance imaging (A) sagittal and (B) axial views.
See this image and copyright information in PMC

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