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A snake in the grass
  1. Rhiannon Trefor1,
  2. Murali Varma2
  1. 1 Department of Cellular Pathology, Morriston Hospital, Swansea, UK
  2. 2 Department of Cellular Pathology, University Hospital of Wales, Cardiff, UK
  1. Correspondence to Dr Murali Varma, Department of Cellular Pathology, University Hospital of Wales, Heath Park, Cardiff CF14 4XN, UK; wptmv{at}


Clinical question A 77-year-old man presented with haematuria. Cystoscopy revealed a papillary tumour in the trigone region of the bladder. A TURBT was performed. Review the high-quality, interactive digital Aperio slide at and consider your diagnosis.

What is your diagnosis?

  1. Urothelial carcinoma pTa

  2. Urothelial carcinoma pT1

  3. Metastatic carcinoma

  4. Prostatic adenocarcinoma

  5. Prostatic polyp


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  • Handling editor Iskander Chaudhry

  • Contributors The case was selected by MV. The manuscript was written by RT and MV.

  • Competing interests None declared.

  • Provenance and peer review Commissioned; internally peer reviewed.