[Small cell neuroendocrine tumour of the bladder: with reference to a case and bibliographical revision]. / Tumor neuroendocrino vesical de célula pequeña: a propósito de un caso y revisión bibliográfica.

INTRODUCTION AND OBJECTIVES: The small cell neuroendocrine tumour is an infrecuent neoplasia, with inmunohistochemistry being the key to diagnosis. We present a new case making reference to treatment and its evolution there after. MATERIAL AND METHODS: The clinic, diagnosis and treatment of this tumour is described. Bibliographical revision follours. CONCLUSIONS: The neuroendocrine tumour of small cell is an infrecuent neoplasia, in which the inmunohistochemistry study is key in the diagnosis. The differential diagnosis includes the high degree diferentiation transitionals cells carcinoma and primary and secondary linfoma. The standard treatment is based on chemotherapy plus surgery.