Sheryl Crow
The jury is still out on whether cell phones cause tumors, but singer Sheryl Crow put the blame on the devices for her benign growth during an appearance Monday on "Katie." Official Facebook Page

American singer-songwriter Sheryl Crow, who survived breat cancer a few years ago, is diagnosed with brain tumour.

Sources said that the "Soak Up In The Sun" singer is diagnosed with meningioma, a common primary brain tumour. However, she told her fans not to worry about it, describing it as a "non-cancerous growth."

"Hey everyone - please don't worry about my "brain tumor", it's a non-cancerous growth. I know some folks can have problems with this kind of thing, but I want to assure everyone I'm OK. I'm feeling very healthy and happy, and having a great time on the road playing with my new band," Sheryl Crow wrote on her Facebook page.

She also thanked her fans for the love and support.

"I'm busy working on my next record too, which 'm very excited about...and I'll be on The Tony Awards this Sunday. Really appreciate everyone's love and concern, I feel so blessed to have the support of all my fans, but I'm good - really," she wrote.

Sheryl Crow (50), who has won nine Grammy Awards, was diagnosed with breast cancer in 2006. She did a documentary film titled "Crazy Sexy Cancer" in 2007.

What is a Meningioma?

According to Johns Hopkins Medicines, "Meningioma is the most common type of primary brain tumor, accounting for approximately 30% of all brain tumours. Meningiomas originate in the meninges, which are the outer three layers of tissue between the skull and the brain that cover and protect the brain just under the skull. Meningiomas grow out of the middle layer of the meninges, called the arachnoid. When they grow, they press against the brain or spinal cord.

"About 85% of meningiomas are benign (non-cancerous, slow growing) tumours. Meningiomas can often be removed entirely with surgery. Some meningiomas may not need immediate treatment and can often remain undetected for many years."

Causes of Meningioma

There is no exact cause of a meningioma. However, according to Johns Hopkins Medicines, the risk factors that increase the chance of getting a meningioma are:

1)      Receiving radiation therapy to the head to treat an infection of the scalp, or tumours of the head, neck or brain.

2)      Having neurofibromatosis type 2, a rare, inherited (genetic) nervous system disorder. People with neurofibromatosis type 2 often get benign tumours of the nerves throughout the body.

Symptoms of Meningioma

Common symptoms of meningioma are headaches, seizures, loss of balance, vision problem, hearing loss, fatic, memory loss and numbness.

Treatment for Meningiomas

Most common treatments for a meningioma are surgery and radiation therapy.