PathWays Case Study: March 21

A 67-year-old woman presented with multiple episodes of gross hematuria. Urine cytology was consistent with malignancy and follow-up CT urogram demonstrated polypoid and sessile lesions in the bladder dome. The patient underwent cystectomy. Microscopy is shown below for two adjacent areas of tumor (area one—image 1, area two—images 2 & 3). Area two demonstrated diffuse positivity for synaptophysin and chromogranin.

Area One (10x)
Area Two (10x)
Area Two (40x)

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Matthew Woge, M.D.
Resident, Anatomic/Clinical Pathology
Mayo Clinic

Carrie Inwards, M.D.
Consultant, Anatomic Pathology
Mayo Clinic
Professor of Laboratory Medicine and Pathology
Mayo Clinic College of Medicine

Rene Revier

Rene Revier

Rene Revier is an Editorial Assistant at Mayo Medical Laboratories. She supports Mayo Clinic PathWays and other corporate communications activities.