Subcutaneously obstructed ventriculoperitoneal shuntogram

Lorenzo Mannelli, Serena Monti, David Shin, Ivano Lomabardo, Fatemeh Behnia

Research output: Contribution to journalArticlepeer-review


A 65-year-old man presented with headache, altered mental status, and somnolence. The patient had a ventriculoperitoneal (VP) shunt revised a month earlier. A CT of the head was performed, which demonstrated interval development of hydrocephalus compared with the prior examination done at the time of the shunt revision. Further evaluation of the VP shunt dynamics was obtained through a radionuclide shuntogram using 99mTcO4. The shuntogram demonstrated passage of the radiotracer down the VP shunt tubing. This case illustrates the utility of radionuclide shuntogram in demonstrating an unusual cause of hydrocephalus after VP shunt placement.

Original languageEnglish
Pages (from-to)265-267
Number of pages3
JournalClinical Nuclear Medicine
Issue number3
Publication statusPublished - Mar 1 2015

ASJC Scopus subject areas

  • Medicine(all)


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