17 August 2026
: Case report
A Case Report of a 64-Year-Old Man With Urothelial Carcinoma With Brain and Leptomeningeal Metastases Treated With Intrathecal Methotrexate as Part of Multimodal Management
Unusual or unexpected effect of treatment, Rare disease
Leland F. Damron ABCDEF 1, Leigh Kinney ADEF 1, Nikhita Kathuria-Prakash ADEF 2, Marilena Iliopoulos EF 3, Dimitrios Stefanoudakis EF 4, Lidia P. Lopez BDEF 2, Marah SakkalDOI: 10.12659/AJCR.951572
Am J Case Rep 2026; 27:e951572
Figure 1 Computed tomography (CT) of the kidneys, ureters, and bladder with findings suggestive of primary upper tract urothelial carcinoma including distended proximal ureter. Severe right hydronephrosis was present but not fully visualized in this image.






