SEQUELAE
The end result of a disease or process. For example, the term “no post-traumatic sequelae” means there was no injury to the body part after trauma.
SEQUENCE
In MRI a sequence is a type of scan technique that is used to analyze tissue in an organ. There are many different sequences used during an MRI.
SEROMA
A cystic mass containing blood plasma. This is often seen after surgery. This is not cancerous.
SIALOADENITIS
An inflammation or infection of the salivary glands (usually the parotid or submandibular duct) commonly related to a virus infection.
SIALOLITH
A stone in the salivary glands. Usually involves the parotid glands but can also involve the submandibular glands.
SIALOLITHIATHIS
An infection of the salivary glands (usually the parotid or submandibular glands) that is cause by stones obstructing the ducts.
SIGNET RING SIGN
A chest x-ray finding that indicates bronchiectasis.
SILENT SINUS SYNDROME
A painless process where the maxillary sinus gets small from a blockage. As a result the eye socket on the same side gets small as well and the eye looks as if its pulled in.
SILHOUETTE SIGN
A chest x-ray finding that can be helpful for detecting pneumonia. Silhouette sign involving the heart results in "blurring" the outline of the heart on a chest x-ray.
SILICONE GRANULOMA
Masses in the breast that are caused by the body's reaction to liquid silicone that has leaked out of a breast implant. These masses are not cancerous.