Abdominal computerized tomography image of case 1. Renal cell carcinoma in the left kidney (preoperatively).Optical coherence tomography and fundus fluorescein angiography images of Case 1.A heterozygous missense mutation c.202T>C, (p.Ser68Pro) in exon 1 of the VHL gene.Preoperative and postoperative magnetic resonance images of the CNS haemangioblastoma (Case 2).Abdominal computerized tomography image of Case 2. Renal cell carcinoma in the right kidney (preoperatively).Optical coherence tomography and fundus fluorescein angiography images of Case 2.