PMC9173891_01
(a) Preoperative contrast-enhanced MRI shows a 13 mm intrinsic, roundish lesion in the posterior pontomedullary junction. (b) The floor of the inferior IV ventricle is slightly raised, and the tumor slightly protrudes from it.
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fig1
CT and MR imaging studies showed a single 13 mm, roundish, intrinsic lesion at the pontomedullary junction (Figure 1).
(a) Postoperative contrast-enhanced MRI confirms that the metastasis was totally removed. (b) The remaining medulla and pons tissues have filled the space, except for a very thin gap.
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PMC9173891_01_CRIONM2022-4041506.002.jpg
fig2
The lesion was completely removed (Figure 2).