Influence of Percutaneous Drainage Surgery and the Interval to Perform Laparoscopic Cholecystectomy on Acute Cholecystitis through Genetic Algorithm-Based Contrast-Enhanced Ultrasound Imaging

Figure 2

Contrast ultrasound image: (a) two-dimensional ultrasound showing thickening of the gallbladder wall, multiple stones, and linear echo in the cyst cavity, which was considered the intima shedding; (b) contrast ultrasound showing discontinuous enhancement of the gallbladder wall, with focal defects, and the falling intima within the cyst cavity was not reinforced.

(a)

(b)