If you have seizures, you are not alone. Nine out of 10 people with TSC have them. In fact, seizures are the most common brain (neurologic) symptom of TSC. Ask your doctor what the best treatment option is for you.

TSC commonly causes brain tumors called SENs and SEGAs. About 80% of people with TSC have SENs, and up to 15% have SEGAs. These tumors are not cancerous, but should be watched by your doctor.

SEN, subependymal nodule; SEGA, subependymal giant cell astrocytoma.

TSC kidney tumors are benign, but can grow rapidly. The most important thing you can do is keep regular appointments with your doctor and get regular scans of your kidneys.

TSC can cause skin problems like growths or patches of skin that look different than the surrounding skin. Nine out of 10 people experience a skin problem with TSC. Keeping track of any changes in your skin is important.

Lymphangioleiomyomatosis (LAM) causes lung tumors that lead to breathing problems like those seen with emphysema, asthma, and bronchitis. There are ways to manage your lung tumors.

A small number of patients might have very rare heart tumors, called cardiac rhabdomyomas. These tumors are often detected even before birth, and are usually the first sign of TSC.

TSC can cause several other conditions throughout the body, including in the eyes and mouth. These growths are usually not life-threatening and are fairly common.