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Subperiosteal hematoma. Another scintigraphic "doughnut"
Clinical Nuclear Medicine
|January 1, 1986
Summary
The skeletal "doughnut" sign, previously seen in brain and bone scans, is now identified in subperiosteal hematomas linked to neurofibromatosis and focal gigantism. This study explores its cause, evolution, and other potential origins.
Area of Science:
- Nuclear medicine
- Radiology
- Skeletal imaging
Background:
- The "doughnut" sign is a recognized scintigraphic finding in various bone and brain conditions.
- Subperiosteal hematomas are collections of blood beneath the periosteum, often associated with trauma or underlying conditions.
Observation:
- This study reports the novel appearance of the "doughnut" sign in a subperiosteal hematoma.
- The patient presented with neurofibromatosis and focal gigantism, conditions not previously associated with this sign.
Findings:
- The primary cause and evolutionary process of the skeletal "doughnut" sign in this context are detailed.
- A comparative review of other scintigraphic causes for the "doughnut" sign is provided.
Implications:
- This finding expands the differential diagnosis for the skeletal "doughnut" sign.
- It highlights the importance of considering neurofibromatosis and focal gigantism in patients presenting with this imaging finding.