Study guide test 4 Flashcards
What is the primary advantage of an US guided intervential procedure?
provides for continuous real time visualization of the biopsy
What is the common indication for a biopsy?
confirm a malignancy in a mass
What are some contraindications for biopsies?
What lab test is used to evaluate the effects of heparin antihistamines on the blood clotting process?
PTT
National safety patient standards mandate a time out be performed before beginning any procedure, why?
What are post biopsy complications?
heart failure
A higher percentage of positive cells is observed in what portion of a thyroid mass?
small calcifications
What is the best way to recognize the tip of a needle with US?
tip appears as a hyperechoic area
Which part of the kidney is typically biopsied in a renal transplant procedure?
upper pole
What are advantages of using US guided procedures?
fixed angles when using needle guides
What are the limitations of US guided procedures?
International normalized ratio (INR) was developed because of the variable results of what lab test?
PT
What needle gauge is used for FNA’s?
20-25
What biopsy uses an automatic spring loaded device?
core biopsy
What is the role of cytopathology team?
minimize the number of core samples, ensure enough diagnostic tissue is obtained, increase the percentage of biopsies
The wait time after discontinuing the use of aspirin before a procedure:
5-7 days
Preprocedural image should document the patient’s name and what?
time, date, and needle path
What is the most common organ biopsy?
liver