Bursal cyst (bursitis) of the coccygeal region clinically mimics sacrococcygeal meningocele

Kazuhiro Samura, Takato Morioka, Kimiaki Hashiguchi, Fumiaki Yoshida, Masaaki Hokama, Shinya Yamaguchi, Shinji Nagata, Satoshi O. Suzuki, Takashi Yoshiura, Tomio Sasaki

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Case report: Bursal cysts (bursitis) are attributed to repeated microtrauma of the connective tissue around the synovial joint and are rare in the coccygeal region. Materials and methods: A 10-year-old boy had a subcutaneous tumor at the midline of the buttock. He could not walk and slid himself in a seated position because of psychomotor retardation. MR images showed a cystic lesion overlying the coccygeal bone, the intensity of which was identical to cerebrospinal fluid (CSF). Although meningocele was suspected, constructive interference in steady-state (CISS) MR images clearly depicted a discontinuity between the cyst and CSF space. Results and conclusion: It was conceivable that repeated friction between the coccygeal bone, which projected posteriorly, and overlying subcutaneous tissue during movement resulted in the formation of a bursal cyst. In addition to total removal of the cyst, the coccygeal bone was planed away to prevent friction. We should keep this rare clinical entity in mind in cases that appear to be sacrococcygeal meningocele.

Original languageEnglish
Pages (from-to)533-535
Number of pages3
JournalChild's Nervous System
Volume24
Issue number4
DOIs
Publication statusPublished - Apr 2008

All Science Journal Classification (ASJC) codes

  • Pediatrics, Perinatology, and Child Health
  • Clinical Neurology

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