Fig. 3From: Serial MRIs provide novel insight into natural history of optic pathway gliomas in patients with neurofibromatosis 1Progression of an OPG in Patient 37. a On the first scan performed at 4.0 years of age, a glioma measuring 1862 mm3 was present in the left intraorbital and prechiasmatic optic nerve. b On the next scan performed 1.0 years later, the OPG had increased in volume to 2636 mm3 and involved the optic chiasm as well as the left intraorbital and prechiasmatic optic nerveBack to article page