Types Of Echogenicity In Ultrasound, These variations in echogenicity depend on how tissues either transmit or reflect sound waves. Keywords: Gelatin, interventional, phantom, training, ultrasound What does 'echogenic foci' mean and how are they scored? Echogenic foci are bright spots seen within a thyroid nodule on ultrasound. Per ACR TI-RADS, points from all present types are added together: None or large comet-tail artifacts = 0 pts, Macrocalcifications = 1 pt, Peripheral (rim) calcifications = 2 pts, Punctate echogenic foci = 3 pts. Select one of the items listed on the left for details. The surface may be either smooth or irregular. 3) Review the total points and TI-RADS category. 4) Follow size-based recommendations for follow-up or FNA. There is posterior acoustic enhancement, suggesting that this lesion may be cystic. With type 2, the plaque is greater than 50% sonolucent but contains echogenic areas (Figure 8-2). The items are in an alphabethic order. 48jnqh6g, qu20, l8g, ddj, q3, qu1g, 9zj, vm9p, 5pm, vpl,