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  Indian J Med Microbiol
 

Figure 3: (a-d) Examples for salivary gland pathologies. (a) A panoramic view of a suspected submandibular sialolith. (b) Ultrasonography examination of the same patient reveals a hyperechogenic stone with posterior acoustic shadow and loss of parenchymal echogenicity of the submandibular gland. (c) A cystic lesion (ranula) with posterior acoustic enhancement on the mouth floor. (d) A case of chronic infection (sialadenitis) of the parotid gland with loss of homogeneous echogenicity and hypoechoic areas

Figure 3: (a-d) Examples for salivary gland pathologies. (a) A panoramic view of a suspected submandibular sialolith. (b) Ultrasonography examination of the same patient reveals a hyperechogenic stone with posterior acoustic shadow and loss of parenchymal echogenicity of the submandibular gland. (c) A cystic lesion (ranula) with posterior acoustic enhancement on the mouth floor. (d) A case of chronic infection (sialadenitis) of the parotid gland with loss of homogeneous echogenicity and hypoechoic areas