Benign tumors

Benign tumors

Closely resemble their cells of origin in structure and function.

localized, without spreading to other sites

They remain _ and thus can usually be surgically removed with resultant survival of the patient.

pressure atrophy and destruction of the surrounding gland

Benign pituitary tumor can cause _.

excessive amounts of insulin

Benign tumor of the islets of Langerhans in the pancreas can produce _.

fatal low levels of blood glucose

excessive amounts of insulin resulting in possibly

arising in the brain or spinal cord

Potentially dangerous benign tumors include those _, which may influence centra nervous system function.

Tumors of the trachea or esophagus

may occlude the air supply or make it impossible to swallow.