Certified Surgical Technologist (CST) Practice Exam

Which of the following is a curved, transverse incision across the lower abdomen frequently used in gynecological surgery?

1. Midline

2. Paramedian

3. McBurney's

4. Pfannenstiel

The correct answer is: Pfannenstiel

The Pfannenstiel incision is specifically designed for surgeries in the pelvic region, particularly in gynecological procedures. This incision is characterized by its curved shape that runs transversely across the lower abdomen, just above the pubic symphysis. It is less invasive than some other types of incisions and helps to provide good access to the reproductive organs while minimizing damage to the abdominal muscles and nerves. This incision is associated with various procedures like cesarean sections and hysterectomies because it allows for optimal visibility and access while maintaining better cosmetic results due to its placement low on the abdomen. In contrast, the other incisions listed are utilized for different purposes or in different areas; for example, the midline incision runs vertically down the center of the abdomen, and the paramedian incision is also vertical but offset to the side. McBurney's incision is typically used for appendectomies and is positioned in a specific location in the right lower quadrant, which is quite different from the transverse positioning of the Pfannenstiel incision.