[Diagnostic difficulties in a patient with middle ear tumor]

Authors present the case of a 57-years old female patient with middle ear tumour, with the history of middle ear operations and reoperations due to chronic inflammatory process. Difficulties in diagnostic procedure related to the kind and size of tumour and to the destruction of surrounding tissues are described as well as operative difficulties connected with the extent and type of surgical intervention. The newest diagnostic methods show with great accuracy the vascular supply of middle ear tumour and the directions of its dissemination within temporal bone. The presence of vast vascularization of middle ear tumour suggests the diagnosis of chemodectoma.