Distinguishing primary bladder adenocarcinoma from metastatic colorectal cancer represents a diagnostic challenge; however, a correct diagnosis can prevent the patient from receiving inappropriate treatment. Here, Izzo et al. use the case of a 71-year-old woman to highlight important issues in the diagnosis of these bladder neoplasms, with particular focus on the role of immunohistochemistry.
- Luciano Izzo
- Dario Pietrasanta
- Antonio Bolognese
