CANCER AND CHEMODECTOMA IN THE MIDDLE EAR AND MASTOID

摘要: Cancer in the middle ear is a paradoxical and frustrating sort of malignant disease. Favorably situated to give early warning allow easy diagnosis, slow spread well-lateralized surgically convenient lymphatics, rarely metastasizing distant organs, it nevertheless relentless killer not readily subdued by tried methods attack. What reason for paradox? How can changing concepts new techniques be applied problem? To answer these questions natural history tumors has been restudied, treatment reexamined, record achievement, which must bettered, established. Since last review cases at Mayo Clinic one us (F.A.F.) Hempstead 1943,1a carotidbody-like tumor identified classed as chemodectoma.2This tumor, relatively favorable prognosis, had included previously among