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Retroclival Ecchordosis Physaliphora: Diagnosis, Management
Melih Caklili1, Burak Cabuk, Cigdem Vural
1Kocaeli University, Faculty of Medicine, Department of Neurosurgery, Kocaeli, Turkiye.
Turkish Neurosurgery
|October 30, 2025
Summary
Retroclival Ecchordosis physaliphora (EP) diagnosis and management were reviewed in four patients. Imaging characteristics guide surgical decisions, with large lesions requiring intervention and small ones needing monitoring.
Area of Science:
- Neurosurgery
- Radiology
- Pathology
Background:
- Retroclival Ecchordosis physaliphora (EP) is a rare benign notochordal remnant.
- Accurate diagnosis and appropriate management are crucial.
Purpose of the Study:
- To discuss diagnostic tests for retroclival EP.
- To outline management options for retroclival EP.
Main Methods:
- Retrospective analysis of four patients with retroclival EP.
- Evaluation of CT and MRI findings, including diffusion MRI.
- Discussion of the institutional management protocol.
Main Results:
- Consistent imaging findings across four patients with retroclival EP.
- CT showed bone changes and a clival stalk.
- MRI revealed T2 hyperintense, T1 hypointense lesions without contrast enhancement.
- Histopathology confirmed benign notochordal remnant after surgical resection.
Conclusions:
- Surgical approach and timing depend on lesion characteristics.
- Large, heterogeneous lesions with bone changes necessitate prompt surgery.
- Small, homogeneous lesions with a stalk can be monitored closely.
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