<prompt> Sickle cell disease associated with which type of renal cell carcinoma?MedullaryPapillaryChromophobeColloid  <response>: A i.e. MedullaryRef: WHO, Urogential System, page 122Explanation:Medullary Renal Cell CarcinomaRare, highly aggressive medulla centered carcinoma.Associated with sickle cell trait or other hemoglobinopathies.Rare carcinoma arising in the renal medulla.Occurs predominately in young patients with sickle cell trait.Variety of histologic patterns.Sickied erythrocytes may be pathognomonic.Majority show loss of SMARCB1 INI1.Poor prognosis. 