What is the difference between cyst and lesion?

A cyst is a small sac filled with air, fluid, or other material. A tumor refers to any unusual area of extra tissue. Both cysts and tumors can appear in your skin, tissue, organs, and bones….Identifying cysts and tumors.

Are cysts lesions?

Cystic lesions of the head and neck, ranging from benign and incidental cysts to life-threatening infections and malignancy, present a common and important diagnostic challenge. Although some pathologies can present as trans-spatial masses, most cystic lesions are confined to well-defined anatomical spaces.

What is a cyst like lesion?

A variety of benign cystic or “cyst-like” lesions may be encountered during a routine magnetic resonance imaging (MRI) of the knee. These lesions comprise a diverse group of entities from benign cysts to complications of underlying diseases.

What is the medical definition of lesion?

Listen to pronunciation. (LEE-zhun) An area of abnormal tissue. A lesion may be benign (not cancer) or malignant (cancer).

Is a lesion a growth?

Benign lesions form in a bone and can grow locally but do not spread to other organs to cause harm. Malignant lesions, more commonly referred to as cancer, are lesions which may form and develop in the bone but have the capacity to spread to other areas of the body and continue to grow.

Is a lesion a tumor?

When cells within the bone start to divide uncontrollably, they are sometimes called bone tumors. Most bone lesions are benign, meaning they are not cancerous. Some bone lesions are cancerous, however, and these are known as malignant bone tumors.

Is a cystic lesion a cyst?

Breast cysts: These are fluid-filled sacs that a person can easily move under the skin. A person with many of these cysts has a condition called fibrocystic breasts. Epidermoid cysts: These cysts develop on the top layer of skin, called the epidermis. They can form on the neck, chest, upper back, and scrotum.

What is a lesion in the ovary?

The most common germ cell tumor of this age group (and also the most common benign tumor) is the benign cystic teratoma (see Benign Solid Ovarian Tumors). These lesions (also known as dermoid cysts) have a characteristic radiographic appearance.