Pseudolesions:
Diploic fat marrow
Simple petrous effusion
Congenital:
Cephalocele
Benign:
Cholesterol granuloma
Mucocele
Cholesteatoma
Infection:
Petrous apicitis
Vascular:
Carotid artery aneurysm
Malignant:
Rhabdomyosarcoma
Metastasis
Lymphoma
Bone and cartilage tumors:
Osteosarcoma
Chondrosarcoma
Others:
Histiocytosis X
Paget's fibrous dysplasia
Reference:
Connor SEJ et al. Imaging of the petrous apex: a pictorial review. British Journal of Radiology (2008) 81, 427-435
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Head and Neck Imaging Notes
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Although I have taken care to make my blog posts as accurately as possible, the blog itself is not replacement for text-books and journals. The blogger does not accept any harm or injury related to the use of the material from this blog. All the images are from my collection and are not copyrighted; hence feel free to use them and I do not want any credit also. The notes are from the quoted journals and text-books, relevant to my practice. If anybody feels I am violating copyright, please let me know. I will delete the relevant data from my blog. I am greatly indebted to the reference book Som PM et al, Head and Neck Imaging. 4th edition. Mosby publications. Unless given the reference, the reference is most likely to this book.
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