Description
A 12-year-old girl presented with a large painless hard swelling in the left parietal region, gradually increasing in size for 6 years. No complaint of headache or visual disturbance was present. Radiographs showed a large expansile lytic lesion with prominent bony trabeculae radiating centrifugally from the centre of the mass. On CT scan, the lytic area showed areas of rarefaction traversed by radiating bony spicules. On MRI, the lesion was isointense to hyperintense on T1-weighted images (T1WI), hyperintense on T2WI, indenting over underlying brain parenchyma, causing mass effect and midline shift. Avid enhancement was noted on postcontrast scans (figure 1). Based on typical clinical presentation and classical radiological findings, a diagnosis of giant calvarial haemangioma was made.
Figure 1
(A) Clinical photograph showing large left parietal swelling. (B and C) Skull radiograph in frontal and lateral projections showing lytic lesion with centrifugally radiating bony trabeculae...
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