Epidermal collarettes on the inner thigh (arrows), in a case of pyoderma. Collarettes are secondary lesions that result from the rupture of pustules. They appear as small circles of erythematous skin surrounded by a “collar” of loosened epidermis overhanging the periphery of the lesion.

 




 
 
 
 
 

 

 
 
 
  
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