Neurofibroma is a tumour of neural origin. This kind of neoplasm, though, is generally skin located but rare cases in deep organs or in the peritoneal cavity are also reported in the literature. There are two types of neurofibromas, localized and diffuse; the latter is associated with von Recklinghausen disease and always occurs together with skin neurofibromas. Here we report the case of a 58 year old female affected by  a solitary retroperitoneal neurofibroma, but not associated with von Recklinghausen disease. A MRI abdomen scan described a retroperitoneal  Lt pararenal lesion with no clear involvement of adjacent viscera and suggested possibility of Non functioning phaeochromocytoma /extra adrenal paraganglioma/ spleniculus. Tumor was completely excised and histopathology revealed Neurofibroma