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EACC with intramural bone fragments.

Published byJulianna Paula Parrish Modified over 5 years ago

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Presentation on theme: "EACC with intramural bone fragments."— Presentation transcript:

1 EACC with intramural bone fragments.
EACC with intramural bone fragments. Used with permission (24).A, Coronal temporal bone CT image shows an EACC as a soft-tissue mass in the inferior EAC with intramural bone fragments (white arrow). Erosion of the inferior wall of the EAC (black arrow) is present. Note preservation of the scutum in this 48-year-old woman with otalgia.B, Axial temporal bone CT image in the same patient as in A shows erosion of the anterior (black arrow) and posterior (white arrow) walls of the EAC. Note the involvement of the mastoid air cells (white arrow), which requires this patient to undergo a partial radical mastoidectomy.C, Coronal temporal bone CT image shows a soft-tissue mass filling the EAC, with associated erosion of the inferior EAC (arrow). Note the intramural bone fragments. The middle ear cavity is preserved in this 74-year-old man with otorrhea. Marta E. Heilbrun et al. AJNR Am J Neuroradiol 2003;24: ©2003 by American Society of Neuroradiology

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