21 December 2022
: Case report 
Masson Tumor of the Central Nervous System: A Case Report and Review of Literature
Challenging differential diagnosis, Diagnostic / therapeutic accidents, Rare disease
Fatemeh Mohammadyari
1ABDEF*, Tarek Dufan2D, Yasin K. Ahmed3D, Parviz Dolati4BCD
DOI: 10.12659/AJCR.937597
Am J Case Rep 2022; 23:e937597
Figure 1. (A) Preoperative brain MRI, T2, showing mixed hyper- and hypointense mass (blue arrow) and surrounding brain edema. (B) Preoperative brain MRI, T1 without contrast, showing the hypointense mass (blue arrow). (C) Preoperative brain MRI, T1 after contrast injection, showing the heterogeneously enhancing mass (blue arrow). (D) Follow-up postoperative brain MRI 12 months after surgery, T2, showing the empty space of resected lesion (double blue arrow). (E) Follow-up postoperative brain MRI, 12 months after surgery, T1 after contrast injection, showing no residual mass. (F) Macroscopic photo of the lesion after gross total resection.