Carcinoma of the Temporal Bone Flashcards
1
Q
MCC tumor of the pinna and concha
A
BCC (4x as common as SCC)
2
Q
MC malignancy of the T bone in children?
Where does it arise from?
A
Rhabdomyosarcoma
Middle ear and mastoid
3
Q
What are fissures of Santorini?
A
Vertical fissures in the cartilaginous EAS that allow spread of tumor into the periparotid regoin
4
Q
What is the foramen of Huschke?
A
Defect in the bony anterior inferior tympanic ring that usually closes by age 5 but persists in 7% of the population
Provides a potential channel for invasion from the EAC to the periparotid tissues
5
Q
What is Gradenigo’s syndrome?
A
Infection of the petrous apex with retroorbital pain and 6th nerve palsy
