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Summary
Radiation myelopathy, a complication of spinal cord irradiation, can cause swelling. This spinal cord enlargement, visible on myelography, indicates severe damage and a poor prognosis in patients.
Area of Science:
- Neurology
- Oncology
- Radiology
Background:
- Radiation myelopathy is a known complication following spinal cord irradiation for adjacent neoplasms.
- Myelography is typically used to rule out intraspinal metastases, with a normal study supporting a diagnosis of radiation myelopathy.
Purpose of the Study:
- To describe four cases of radiation myelopathy associated with spinal cord swelling.
- To highlight the diagnostic and prognostic implications of observed spinal cord enlargement.
Main Methods:
- Case series presentation of four patients diagnosed with radiation myelopathy.
- Utilized myelography to assess spinal cord morphology and identify swelling.
Main Results:
- Four cases of radiation myelopathy presented with spinal cord swelling.
- In three cases, myelography demonstrated fusiform expansion of the spinal cord, maximal in the irradiated zone.
- Spinal cord swelling was linked to abrupt clinical deterioration and a poor prognosis.
Conclusions:
- Spinal cord swelling can be a presenting feature of radiation myelopathy, mimicking intrinsic tumors or hydromyelia.
- Myelographic demonstration of cord swelling signifies severe underlying damage and portends a poor prognosis.