AMP case report: A 67-year-old female with rare intracranial mesenchymal tumor featuring the EWSR1::CREM fusion gene
February 2025—Intracranial mesenchymal tumors (IMT) are extremely rare and account for only 0.3 percent of soft tissue tumors. Most frequently, mesenchymal tumors occur in subcutaneous tissue; they are rarely described in the central nervous system. In addition, these tumors typically occur in young adults,1 with a median patient age of 14 (range: four to 70).