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MR findings of primary Ewing's sarcoma of greater wing of sphenoid
Paramjeet Singh1, Manoj Jain, D P Singh
1Department of Radiodiagnosis, PGIMER, Chandigarh, India. param_mri@yahoo.com
Abstract:
Primary Ewing's sarcoma of the skull is a very rare entity. We report MRI findings in a case of Ewing's sarcoma of the greater wing of sphenoid in a 4-year-old patient. Magnetic resonance imaging showed markedly heterogenous signal intensity with areas of haemorrhage and necrosis. It also demonstrated the exact extent of tumour due to its multiplanar capabilities and was, therefore, helpful in planning surgery.
Insights
Primary Ewing's sarcoma of the skull is rare. MRI revealed heterogeneous signal intensity, hemorrhage, and necrosis in a sphenoid bone tumor, aiding surgical planning.
Area of Science:
- Pediatric Oncology
- Neuroradiology
- Skeletal Radiology
Background:
- Ewing sarcoma is a rare bone cancer, particularly in the skull.
- Primary Ewing sarcoma of the skull presents diagnostic challenges.
Observation:
- A case of Ewing sarcoma involving the greater wing of the sphenoid bone in a 4-year-old child is presented.
Findings:
- Magnetic resonance imaging (MRI) demonstrated a heterogeneous signal intensity within the tumor.
- Areas of hemorrhage and necrosis were evident on MRI.
- Multiplanar MRI capabilities accurately delineated the tumor's extent.
Implications:
- MRI is crucial for diagnosing and surgical planning of rare skull Ewing sarcomas.
- Accurate tumor extent assessment via MRI improves surgical outcomes.
