A patient treated with radiation therapy for a pharyngeal lymphoepithelioma developed a cervical cord lesion four years later. A myelogram two months prior to death showed a block at the C7-T1 level. The cerebrospinal fluid protein level was elevated and a diagnosis of metastatic intramedullary tumor was made. Autopsy demonstrated cervical radiation myelopathy with cord necrosis and swelling which had simulated an intramedullary metastasis on myelogram.
Marty R, Minckler DS. Radiation Myelitis Simulating Tumor. Arch Neurol. 1973;29(5):352–354. doi:10.1001/archneur.1973.00490290092015