An Endoscopic Endonasal Approach for Early-Stage Olfactory Neuroblastoma: An Evaluation of 2 Cases with Minireview of Literature

Figure 5

Preoperative local finding and MRI in case 2. (a) Tumor in the right nasal cavity showing a low-intensity area (black arrow). (b) T1-weighted axial image showing a slightly high-intensity area (white arrow). (c) T2-weighted coronal image (white arrow). (d) T1-weighted coronal image (gadolinium+) shows some enhancement within the lesion (white arrow).

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