Echogenicity

Category Echogenicity Term Anechoic Definition of Anechoic Structure That Returns No Echoes and Appears Black on Image Notes About Anechoic Typical of Simple Fluid Collections

Category Echogenicity Term Isoechoic Definition of Isoechoic Structure With Similar Echogenicity to Adjacent Tissue Notes About Isoechoic Can Make Lesion Detection Difficult

Category Echogenicity Term Hypoechoic Definition of Hypoechoic Structure That Returns Fewer Echoes Than Surrounding Tissue and Appears Darker Notes About Hypoechoic May Indicate Solid Tissue or Complex Fluid

Category Echogenicity Term Hyperechoic Definition of Hyperechoic Structure That Returns More Echoes Than Surrounding Tissue and Appears Brighter Notes About Hyperechoic Seen With Fat, Fibrosis, or Calcification