Large Cholesterol Granuloma of the Middle Ear Eroding into the Middle Cranial Fossa

Figure 3

(a) Axial T1-weighted temporal bone MRI showing a signal-hyperintense mass neighboring the posterior cranial fossa and extending to the middle fossa. (b) Axial T2-weighted imaging of the temporal bone shows a high-intensity periphery and low-intensity central mass. (c) DWI shows an isointense signal rather than high intensity.

(a)

(b)

(c)