A report by the Urban Institute showed that in the single school district of Washington, DC, there were at least 336 gunshots in the vicinity of schools over a single school year. And school shootings have long-term impacts on the school community as a whole: a recent analysis of school shootings found that those involving a homicide reduced student enrollment in the affected schools, and depressed studentsâ standardized test scores by nearly 5 percent.
Skull base chordoma symptoms may include: 1  Headache. 2  Double vision. 3  Facial pain.  Changes in 1  hearing. Difficulty swallowing.
Chordoma cancers rarely spread (metastasize), but they are aggressive locally. They can affect adjacent organs, tissues, and bone. Symptoms of chordomas can include back pain, numbness, headaches, and vision problems. This type of tumor has a high recurrence rate. Chordomas are most commonly found in adults between the ages of 40 and 70. Treatments for chordoma include surgery, chemotherapy, and radiation therapy.