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3.9 x 2.8 x 3.6 cm mass fifth erodes both inner and outer tables of the left parietal bone. This is T1 isointense to muscle on T2 hyperintense with diffuse but slightly heterogeneous enhancement. Some low signal linear regions within largely correlate with residual bony spicules on CT. The lesion results in minor local mass effect upon underlying parietal gyri but there is no brain parenchymal involvement. Lesion lies in close proximity but does not immediately abut the otherwise normal superior sagittal sinus.
The smaller lytic lesion involving outer table only appreciated on CT (see this case) shows a small lesion of similar signal and enhancement characteristics. No direct continuity appreciated between the 2 lesions. No other lesion identified. Sulcal and ventricular pattern is normal for age. No significant abnormal parenchymal signal or enhancement.
In this clinical setting, plasmacytoma/myeloma deposits are most likely. No definite imaging features to suggest haemangioma.