Pseudo-Supernumerary Right Kidney

Lionel S. Zuckier, Nasrin Ghesani, Paul L. Samuels, Blanche J. Skurnick

Research output: Contribution to journalArticlepeer-review


A 77-year-old man with squamous cell carcinoma of the hypopharynx was evaluated for the presence of bone metastases. A radionuclide bone scan revealed a normal-appearing left kidney and two focal areas of soft tissue uptake on the right, mimicking two kidneys. Tc-99m MDP is frequently concentrated in hepatic metastases, whereas hepatomegaly often results in caudal displacement of the ipsilateral right kidney. The current findings resulted from a concatenation of these two common manifestations of metastatic liver disease and did not represent a supernumerary kidney, which is, in fact, a very rare anomaly.

Original languageEnglish (US)
Pages (from-to)432-433
Number of pages2
JournalClinical nuclear medicine
Issue number5
StatePublished - May 2003

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging


  • Bone Scan
  • Liver Metastasis
  • Soft Tissue Uptake
  • Supernumerary Kidney


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