Non-Functional Paraganglioma of Retroperitoneum Mimicking Pancreatic Mass with Concurrent Urinary Bladder Paraganglioma: An Extremely Rare Entity
Paragangliomas are extra-adrenal tumours of the autonomic nervous system, which rarely present as primary retroperitoneal mass mimicking pancreatic malignancy (incidence 2-8 per million populations).Urinary Bladder Paraganglioma are also extremely rare (0.06% of all Bladder Tumour and 6% of Paragangliomas) with most being malignant and high grade t