SOFT TISSUES
These are tissues of the body excluding bone. Examples include muscles, tendons, skin, blood vessels, nerves etc.
SONOGRAPHIC MURPHY’S SIGN
Test to see if there is pain when the ultrasound tech is pressing over the gallbladder area. Positive sign means there is pain, while negative sign means there is NO pain. Positive sign can be often seen when there is acute cholecystitis ("sick" gallbladder).
SPHENOID SINUS
Located in the middle and base of the skull. If infected or inflamed, it can be a source of headaches or fever.
SPICULATED
Adjective. This is used to describe the margins of a breast mass. It means that the margins pointy, like a bur (spiky seed pod). This is a descriptor used for a suspicious appearing mass.
SPINAL EPIDURAL ABSCESS
A collection of pus or infection located in the epidural space.
SPINE
Back bone.
SPLENECTOMY
Surgical removal of spleen.
SPLENOMEGALY
Enlarged spleen.
SPLENULE
Small extra spleen tissue. Can be a normal finding but also seen after spleen injury or spleen surgery/removal.
SPONDYLOLISTHESIS
A slippage or misalignment of the spine. Usually the result of arthritis to the supporting ligaments of the spine. Can also result from a "pars" fracture.