Salivary-glands

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1) Sonography of the normal salivary glands:

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A) Submandibular salivary glands:

the submandibular salivary gland    color doppler image of submandibular gland

left submandibular gland

The above ultrasound images of the normal submandibular salivary glands show homogenous echotexture and fine soft tissue echogenicity. The color doppler image shows the gland to be vascular. Echogenicity appears slightly less than that of a normal thyroid gland. 

B) Parotid gland:

sonography of normal parotid    color doppler image of the normal parotid

coronal section of the parotid   transverse section of the parotid

The parotid gland is much larger than the submandibular salivary gland. Its transverse diameter is considerably smaller than the coronal dimensions. The parotid shows almost the same texture and echogenicity as the submandibular gland.

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2) Parotitis:

inflammed parotid glands    ultraound image of parotitis

Sonography of the parotid glands in this patient reveal: a) bilateral microabscess formation with b) swollen glands c) hypoechoic lesions. These ultrasound images suggest inflammation s/o parotitis. Sonographic images taken using Philips iU22 machine by Dr. Ravi Kadasne, UAE.

Reference: http://www.emedicine.com/ent/topic600.htm (free article and images)

3) Warthin's tumour (cystadenolymphoma):

ultrasound imaging of the parotid gland       Warthin's tumour of the parotid gland

color doppler image shows Warthins tumour of right parotid     spectral pattern of the flow within the mass

showing the vascular nature of the parotid mass     a smaller mass in the left parotid

both masses of the parotid glands are vascular

This 50 yr. old male patient complained of swelling and pain in the region of the parotid glands on both sides. Sonography of the parotid glands revealed 1) bilateral hypoechoic, well defined masses (larger on the right side) which show no significant acoustic enhancement. 2)The lesion in the right parotid measures 2.5 x 1.6 x 1.2 cms. and that on the left side measures 0.7 cms.3) Fine septae are seen within the masses. 4) Color doppler imaging shows multiple vessels within the mass with typical low velocity flow. These findings suggest either pleomorphic adenoma of the parotids or Warthin's timour. Absence of posterior acoustic enhancement in these ultrasound images suggests that this is a Warthin's tumour of the parotid gland. Histopathological study confirmed this to be Warthin's tumour.

Ultrasound images taken by Joe Antony, MD, using a Toshiba Nemio- XG color doppler machine. 

Reference: http://bjr.birjournals.org/cgi/content/full/76/904/271 ( free article and images).. excellent

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  This page was last edited on: Monday September 22, 2008 05:22 PM  

Copyright ©   2007- All rights reserved- www.ultrasound-images.com Dr. Joe Antony, MD,    265, Girinagar, Cochin- 20, India.

Contact: joe@ultrasound-images.com or drjoea (at) gmail.com