Superficial Mycoses and Their Fungi

  Pityriasis versicolor / Tinea nigra palmaris / Black piedra / White piedra

 

  Pityriasis versicolor  
       
     
  Pityriasis versicolor   Malassezia furfur in Skin scales  
         
     
  Pityriasis versicolor  (Yellow-brown macules with scaling as a continuous sheath, involving the entire chest)   Pityriasis versicolor  
         
     
  Pityriasis before Ketoconazole for 1 month   Pityriasis after Ketoconazole for 1 month  
         
     
  Pityriasis versicolor gross features   Pityriasis versicolor on dark-skin patient  
         

 

  Tinea nigra palmaris  
       
     
  Tinea nigra palmaris   Exophiala werneckii in vitro  
         
     
  Female ESB case in 1986   Female ESB case in 1986  
         
     
  Cultured yeast cells having characteristic annellations and peanut shape (some with septum in older mother cells)   Cultured yeast cells having characteristic annellations and peanut shape (some with septum in older mother cells)  
         
   

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  Black piedra:  Piedraia hortae  
       
     
  Black piedra on hair   Piedraia hortae; Top) Black mold on plate medium; Bottom) Loculoascostroma on hair  

 

  White piedra:  Trichosporon beigelii  
       
     
  Trichosporon beigelii in vitro   Trichosporon beigelii in vivo; Trichosporonosis  
   

 

   
   

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