Gamuts
Destructive lesion in petrous apex
May Be Caused by
Abscess of petrous apex
Cholesteatoma
Cholesterol granuloma
Chondrosarcoma of skull base
Chordoma
Gradenigo syndrome
Lymphoma
Malignant external otitis
Meningioma
Metastasis
Multiple myeloma
Nasopharyngeal carcinoma
Osteomyelitis of skull base
Paraganglioma
Plasmacytoma
