Hydrocephalus presenting as idiopathic aqueductal stenosis with subsequent development of obstructive tumor: Report of 2 cases demonstrating the importance of serial imaging

Jarod L. Roland, Richard L. Price, Ashwin A. Kamath, S. Hassan Akbari, Eric C. Leuthardt, Brandon A. Miller, Matthew D. Smyth

Research output: Contribution to journalArticle

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Abstract

The authors describe 2 cases of triventricular hydrocephalus initially presenting as aqueductal stenosis that subsequently developed tumors of the pineal and tectal region. The frst case resembled late-onset idiopathic aqueductal stenosis on serial imaging. Subsequent imaging revealed a new tumor in the pineal region causing mass effect on the midbrain. The second case presented in a more typical pattern of aqueductal stenosis during infancy. On delayed follow-up imaging, an enlarging tectal mass was discovered. In both cases hydrocephalus was successfully treated by cerebrospinal?uid diversion prior to tumor presentation. The differential diagnoses, diagnostic testing, and treatment course for these unusual cases are discussed. The importance of follow-up MRI in cases of idiopathic aqueductal stenosis is emphasized by these exemplar cases.

Original languageEnglish
Pages (from-to)329-333
Number of pages5
JournalJournal of Neurosurgery: Pediatrics
Volume20
Issue number4
DOIs
StatePublished - Oct 2017

Keywords

  • Aqueductal stenosis
  • Germ cell tumor
  • Hydrocephalus
  • Pineal region
  • Tectal glioma

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