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  Indian J Med Microbiol
 

Figure 6: (a) Oblique axial section just below the level of hyoid bone demonstrating the sonoanatomy of step 5 structures, using linear transducer. (b) corresponding computed tomographic section (red lines – representing the limit of ultrasound scan extent) PEF: preepiglottic fat; asterisk, hypoechoic epiglottis; Blue Arrows, Hyperechoic Air-mucosal interface of posterior surface of epiglottis; Yellow arrows, Hyperechoic Air-mucosal interface of vestibular ligaments

Figure 6: (a) Oblique axial section just below the level of hyoid bone demonstrating the sonoanatomy of step 5 structures, using linear transducer. (b) corresponding computed tomographic section (red lines – representing the limit of ultrasound scan extent) PEF: preepiglottic fat; asterisk, hypoechoic epiglottis; Blue Arrows, Hyperechoic Air-mucosal interface of posterior surface of epiglottis; Yellow arrows, Hyperechoic Air-mucosal interface of vestibular ligaments