PMC8105107_01
T2-weighted magnetic resonance image showing multiple recurrent tumors with muscle layer infiltration at the left laterally wall (a) and the neck (b) of the urinary bladder (arrows).
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Twenty-eight months after chemoradiotherapy, magnetic resonance imaging (MRI) revealed multiple recurrent tumors with muscle layer infiltration of the left lateral wall and the neck of the urinary bladder (T2-weighted image; Figures 1(a) and 1(b)).
Pathological examination of the surgical specimen with skip lesions of cancer cells in the perivesical adipose tissue (arrows).
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T4a, with lymphovascular invasion, positive surgical margin, and skip lesions of the UC in the perivesical adipose tissue (Figure 2). Therefore, we decided to perform more careful observation of this patient without adjuvant chemotherapy.
Dynamic contrast-enhanced MRI showing LMC of the cerebrum, mesencephalon, and cerebellum (a). Infiltrating tumor cells can be identified along the cerebral cortex on T2 fluid-attenuated inversion-recovery imaging (b) (arrows).
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Dynamic contrast-enhanced MRI showed LMC of the cerebrum, mesencephalon, and cerebellum (Figure 3(a)). Infiltrating tumor cells were identified along the cerebral cortex on T2 fluid-attenuated inversion-recovery images (Figure 3(b)).
T2-weighted MRI showing vestibulocochlear nerves metastasis (a) and cauda equina metastasis (b) (arrows).
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In addition, T2-weighted MRI revealed meningeal metastasis along both the vestibulocochlear nerves and cauda equina (Figures 4(a) and 4(b)).
Analysis of the cerebrospinal fluid showing malignant cells (arrows).
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A lumbar puncture was performed, and analysis of the cerebrospinal fluid revealed malignant cells (Figure 5).