Sandbox:DDx HEENT: Difference between revisions

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* Nontender, noncompressible, nonpulsatile, mass with a bluish discoloration  
* Nontender, noncompressible, nonpulsatile, mass with a bluish discoloration  
* May have a pit or sinus on the surface
* May have a pit or sinus on the surface
* Sack-of-marbles appearance
* Thin walled, unilocular mass with sharply demarcated borders on U/S
* Contains echogenic discret small masses dispersed in a fluid matrix





Revision as of 14:23, 4 November 2015

  • Present at birth
  • Small, solitary, slow-growing, asymptomatic subcutaneous nodule
  • Rubbery subcutaneous nodules
  • Nontender, noncompressible, nonpulsatile, mass with a bluish discoloration
  • May have a pit or sinus on the surface


  • Sack-of-marbles appearance
  • Thin walled, unilocular mass with sharply demarcated borders on U/S
  • Contains echogenic discret small masses dispersed in a fluid matrix


  • Stratified squamous epithelium
  • Hair follicles
  • Sebaceous glands and apocrine glands