case_images: PMC4413512_01
case_images: Opacification and large mastoid cavity as seen in the patient's X-ray mastoid.
case_images: CRIOT2015-305494.001.jpg
case_images: PMC4413512_01_CRIOT2015-305494.001.jpg
case_images: fig1
case_images: Largely pearly white mass expanding the mastoid cavity.
case_images: CRIOT2015-305494.002.jpg
case_images: PMC4413512_01_CRIOT2015-305494.002.jpg
case_images: fig2
case_images: A large pearly white sac with whitish flakes had been seen completely filling the mastoid cavity and widening the mastoid antrum and also encroaching on the facial ridge and reaching posteriorly to the sigmoid sinus and posterosuperiorly to the sinodural angle (Figure 2).
case_images: (a) shows the sac after delivery from the mastoid cavity before its removal. (b) shows the sac.
case_images: CRIOT2015-305494.003.jpg
case_images: PMC4413512_01_CRIOT2015-305494.003.jpg
case_images: fig3