Epidermal inclusion cyst - neck

Case contributed by Dr Maulik S Patel


C/o right angle of mandible region swelling - 15 yrs. C/o local pain - 1 wk.

Patient Data

Age: about 70 yrs
Gender: Male

Well-defined ovoid lesion is seen in region of interest.

Size       - 50 x 50 x 35 mm

Location - Subcutenous plane.

                 - Seperate from mabdible - muscle.

                  - Seperate from superfiicial lobe of parotid gland and submabdibular gland.             

Morphology: Hypoechoic, with few linear internal strands, no calcification, posterior acoustic enhancement is present ant it`s partly compressible.


  • Thin well-defined wall is noted surrounding most of lesion.
  • About 20 mm defect is noted on medial aspect .
  • Out side defect fluid echoes and lesion material is noted - 25 x 25 mm

Doppler: Perilesional flow is noted at site of leak. No perilesional flow is noted where wall is intact. No Flow in the lesion.      

Case Discussion

Leak from cyst causing local inflammation and pain.

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