Incisional biopsy
A biopsy in which only a sample of the suspicious tissue is cut from a mass (incised) and removed for purposes of diagnosis. A incisional biopsy is in contrast to an excisional biopsy in which an entire lesion, usually a tumor, is removed.
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- Incompatibility, Rh
the first twin was hydropic (swollen with edema fluid) and stillborn; the second twin was deeply jaundiced and subsequently died of kernicterus.
- Incompetent cervix
A cervix that has an abnormal tendency to dilate and so may not be able to keep a fetus from being spontaneously aborted (miscarried).
- Incontinence
The inability to control excretions, to hold urine in the bladder, or to keep feces in the rectum.
- Inconclusive clinical trial
Negative clinical trial; Non-inferior clinical trial; Positive clinical trial.
- Incontinence of urine
Inability to hold urine in the bladder. This is due to failure of voluntary control over the urinary sphincters resulting in involuntary passage of urine (wetting). See enuresis. See also bedwetting.