Which tumors are described as invading and destroying local tissues?

Invasive tumors are characterized by their ability to penetrate and destroy surrounding tissues. This invasive nature allows them to spread beyond their original site, making them more dangerous than localized tumors. Invasive tumors can disrupt the normal architecture of tissues as they proliferate, leading to complications in the surrounding areas. This destructive quality also often contributes to the symptoms experienced by patients, as the growth of these tumors can impede function and cause pain or discomfort.

In contrast, localized tumors tend to remain confined to a specific area and do not infiltrate surrounding tissues. Benign tumors, even though they may grow larger in size, do not invade tissues or metastasize in the way that invasive tumors do; they typically do not pose the same risks as malignant tumors. Adenomas, which are a type of benign tumor that originates from glandular tissue, similarly do not invade surrounding tissues like invasive tumors do. Therefore, invasive tumors are specifically defined by their aggressive behavior in tissue destruction and invasion.