Letter M
MARROW
Also referred to as “bone marrow”. An MRI can analyze the bone marrow of your spine. Normal bone marrow has a characteristic appearance on MRI. A variety of benign and malignant diseases including trauma can affect the bone marrow.
MASS
A solid piece of tissue. This may represent cancer.
MASTECTOMY
Surgical removal of the breast. This can be complete or partial. This is a surgical treatment for breast cancer.
MASTITIS
Inflammation of the breast or breasts.
MASTOIDITIS
An infection or inflammation of the mastoid air cells.
MASTOIDS
Air containing structure behind the ears that can get infected and full of fluid.
MECKEL’S CAVE
A small cavity space that contains the fibers of the fifth cranial nerve.
MEDIAL
Inner part of something.
MEDIAN STERNOTOMY
Splitting of the sternum during chest surgery, usually a heart surgery.
MEDIAN STERNOTOMY WIRES
Metallic wires used to close up the chest/sternum.