Ultrasound Techniques, Basic Physical and Technical Principles

Fig. in upper, b A-mode and B-mode scans, illustrated for the maxillary sinus. a A-mode signal.b B-mode display: echo amplitudes are converted to spots of varyingbrightness.E=entryechoes(bone),E l =entryecho(bonyridgeorpolyp), M = mucosa, M = thickened mucosa, F = fluid, EE = exit echo

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Ultrasound Tags: technique ultrasound