Case 157. Staphylococcal impetigo contagiosum (23 y-o F)

　 　 　 　
　
Skin biopsy of multiple erosive pustules formed on the face, trunk and arms
 　
　 　 　 　

　

 　 The coccal colonies in the exudate are Gram-positive, indicating infection of Staphylococcus aureus.