Fig. 4
From: Ultrasound microflow patterns help in distinguishing malignant from benign thyroid nodules
Ultrasound images of a nodular goiter in a 49 female patient. a The lesion presented as a mixed solid and cystic nodule on greyscale. b CDFI showed several dot- and rod-like flow signals inside and around the nodule. c CSMI showed a wheel-like pattern. d MSMI showed a wheel-like pattern