case_images: PMC6985093_01
case_images: Contrast-enhanced CT of the kidneys in patient K. The left kidney examined prior to the second surgery is indicated.
case_images: fonc-09-01566-g0001.jpg
case_images: PMC6985093_01_fonc-09-01566-g0001.jpg
case_images: F1
case_images: Compared to the previous scan, which was performed 2 months earlier, one large mass had increased to 4.0 x 3.2 cm (previously 3.7 x 3.0 cm) at the posterior surface, whereas the other masses remained unchanged (Figure 1).
case_images: Pathomorphological examination of the mass excised from the right kidney of patient K. Type I papillary RCC. Hematoxylin-eosin staining, magnification x100.
case_images: fonc-09-01566-g0002.jpg
case_images: PMC6985093_01_fonc-09-01566-g0002.jpg
case_images: F2
case_images: Microscopic examination revealed that they were structurally similar, and the tumors were identified as type I papillary RCC, Fuhrman grade 2 (Figure 2).
case_images: Sanger sequencing of part of MET exon 16 in patient K. The c.3328G>A (p.V1110I) mutation is indicated by the letter R.
case_images: fonc-09-01566-g0003.jpg
case_images: PMC6985093_01_fonc-09-01566-g0003.jpg
case_images: F3
case_images: The single-nucleotide substitution c.3328G>A was found in exon 16 in a heterozygous state (Figure 3).