Fig. 1From: Observer agreement in single computerized tomography use for diagnosing paediatric head and neck malignancies at Uganda Cancer InstituteA An unenhanced axial CT image at the level of the orbits. There was a left orbital mass with calcifications involving the vitreous. The mass measured 2.1 × 1.8 cm. B A contrast enhanced axial CT, which demonstrated the same features as on A. There was no enhancement of the left vitreous mass. A diagnosis of a left orbital retinoblastoma was made on A and BBack to article page