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The MRI scan of the brain demonstrates bilateral tubular lesions in the well defined cystic mass lesions in the fossae of Rosenmuller, measuring 2 x 1 cm and 3 x 1.5 cm in size on the right and left sides respectively. The lesion in the left side bulges into the nasopharynx. The right sided lesion has high signal intensity in T1 W low signal intensity on T2W image. The left sided lesion has low signal intensity in the T1W image and high signal on T2W & FLAIR images respectively.
Appearances are that of mucous retention cysts in the bilateral fossa of Rosenmuller.