title: Diagnosis easily missed--upper urothelial tumour.
abstract: Four patients with transitional cell tumour of the renal pelvis and ureter who had atypical presentations are described. The associated presenting problem delayed an earlier diagnosis in two patients and facilitated it in the other two.
authors.affiliation: Department of Urology, Whipps Cross Hospital, London, UK.
authors.forename: G R
authors.initials: GR
authors.lastname: Mufti
authors.forename: J S
authors.initials: JS
authors.lastname: Virdi
mesh_terms: D000368:Aged; D002295:Carcinoma, Transitional Cell / Q000175:diagnosis*; D006801:Humans; D007680:Kidney Neoplasms / Q000175:diagnosis*; D007682:Kidney Pelvis; D008297:Male; D013997:Time Factors; D014516:Ureteral Neoplasms / Q000175:diagnosis*