title: Spoke-wheel pattern in renal oncocytoma seen on double-phase helical CT.
abstract: Renal oncocytomas are benign, solid tumours of the kidney. An angiographic spoke-wheel pattern is known to be associated with oncocytomas, although it is not pathognomonic. On review of the literature, we found two reports of sonographic spoke-wheel appearance in oncocytomas. These were sufficiently characteristic to enable a confident preoperative diagnosis of oncocytoma. We present a case of a surgically proven oncocytoma with a distinct helical CT appearance, -commensurate with the angiographic and sonographic spoke-wheel appearance from which the diagnosis was suspected preoperatively.
authors.affiliation: Department of Radiodiagnosis, All India Institute of Medical Sciences, New Delhi, India. sumanbandhu@mantramail.com
authors.forename: Suman
authors.initials: S
authors.lastname: Bandhu
authors.forename: Sima
authors.initials: S
authors.lastname: Mukhopadhyaya
authors.forename: Sandeep
authors.initials: S
authors.lastname: Aggarwal
mesh_terms: D018249:Adenoma, Oxyphilic / Q000000981:diagnostic imaging*; D000328:Adult; D003287:Contrast Media; D005260:Female; D006801:Humans; D007680:Kidney Neoplasms / Q000000981:diagnostic imaging*; D036542:Tomography, Spiral Computed
chemical_list: D003287:Contrast Media