Case of the Week
Section Editors: Matylda Machnowska1 and Anvita Pauranik2
1University of Toronto, Toronto, Ontario, Canada
2BC Children's Hospital, University of British Columbia, Vancouver, British Columbia, Canada
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May 30, 2011
Ecchordosis Physaliphora
- Ecchordosis physaliphora (EP) is a retroclival notochordal remnant seen in 2% of the autopsy cases.
- Usually asymptomatic. However, few symptomatic cases have been reported. In such cases, EP has been reported as responsible for non-specific symptoms such as headache and dizziness. Rare complications associated with EP include CSF fistula and fatal pontine hemorrhage.
- Key Diagnostic Features: Retroclival cystic or soft tissue lesion, sometimes associated with a stalk with no diffusion restriction or contrast enhancement.
- Key Diagnostic Features: Retroclival cystic or soft tissue lesion, sometimes associated with a stalk with no diffusion restriction or contrast enhancement.
- Treatment: "Touch-me-not" category lesion.
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