Letter D
DIVERTICULUM
Outpouching of a body part. For example, colonic diverticulum refers to outpouching of colon (large intestine).
DOBHOFF TUBE
A type of feeding tube that is placed into the stomach or small intestine through the esophagus. It is “snaked” through the nostril or mouth. It is used to “feed” the patient by pumping a nutrient liquid through the tube.
DOLICHOECTASIA
Refers to blood vessels that are loose or “floppy” rather than straight. Think of a water hose that is loose until you turn the water on. It is a descriptive word and is not necessarily abnormal.
DOLICHOECTATIC
Refers to blood vessels that are loose or “floppy” rather than straight. Think of a water hose that is loose until you turn the water on.
DORSAL
Refers to the back side of something.
DOT-DASH BRANCHING CALCIFICATIONS
The calcifications look like alternating dots and dashes. These are worrisome because there is high likelihood that these are associated with cancer.
DUCTAL CARCINOMA IN SITU (DCIS)
A non-invasive breast cancer that is contained in the milk ducts. This has not spread outside of the ducts, yet.
DUCTOGRAPHY
A study used to look at the milk ducts of the breasts. Contrast material is injected into the nipple and a mammogram picture is taken.
DURA
The covering of the brain surface. Along with the arachnoid and pia it forms the meninges that covers the brain.
DURAL
Referring to a process affecting the dura.
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