Traumatic leptomeningeal cyst in an adult: A case report and review of the literature

Gavin W. Britz, D. Kyle Kim, Marc R. Mayberg

Research output: Contribution to journalArticlepeer-review

21 Scopus citations


BACKGROUND: Traumatic leptomeningeal cyst as a complication of skull fractures was initially thought to occur primarily in the pediatric population. The occurrence of a traumatic leptomeningeal cyst in the adult population is rare. CASE DESCRIPTION: A lump in the right parietal region of this 53-year-old man prompted a computed tomography (CT) scan. The patient denied any symptoms and was in good health. Examination confirmed a firm, nontender, nonpulsatile mass in the right parietal region of the skull The CT scan demonstrated a 4 x 3 cm area of irregular bone destruction involving both the inner and outer table of the skull. At operation a distinctly raised paper-thin outer table was noted, and underneath was a soft, tan-colored mass, which measured approximately 2 x 2 cm and was connected to the underlying brain through a 1 cm dural defect. The extradural portion of the mass was amputated, the dura repaired with a pericranium patch, the skull defect was repaired with a split thickness bone graft, and the final pathology was congruent with gliotic brain. CONCLUSION: Although rare, this case demonstrates a traumatic leptomeningeal cyst in an adult.

Original languageEnglish (US)
Pages (from-to)465-469
Number of pages5
JournalSurgical Neurology
Issue number5
StatePublished - Nov 1998


  • Adult
  • Traumatic leptomeningeal cyst

ASJC Scopus subject areas

  • Clinical Neurology
  • Surgery


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