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This clinical report identified the spectrum of MRI characteristics and pathologic patterns of myxopapillary ependymomas. Histopathologic analysis identified a microcystic pattern in larger tumors and a solid pattern in the 4 smaller tumors. The findings suggest a possible association between cases with drop metastases and cases of large tumors with a microcystic pattern.

In this retrospective study, the authors assessed the tolerability and technical performance of increased intrathecal doses (20 mL) of myelographic contrast compared with standard doses (10 mL). They found that the increased volume of intrathecal contrast was well-tolerated and improved the technical performance of LDCTM.