Amyloidosis of the Nasopharynx Amiloidosis localizada en nasofaringe

The term ‘‘amyloidosis’’ encompasses various clinical entities of unknown aetiology, characterised by extracellular deposit of amyloid (acellular protein material that presents yellowish-green birefringence under polarised light after Congo red staining). Clinical signs and symptoms depend on the anatomic distribution and intensity of the amyloid deposit. There are 2 main forms: systemic and localised. Amyloidosis can present as a diffuse process or as a nodular mass, simulating a neoplasia, called amyloid tumour, amyloidosis tumoral or amyloidoma. To diagnose it, the presence of amyloid must be demonstrated. Findings on CAT scans are unspecific. It is important to determine whether the amyloidosis is systemic or localise, given the different prognosis for each. Systemic amyloidosis has poor life expectancy (especially if