ddx dermatofibroma versus combined nevus derm… · title: ddx dermatofibroma versus combined...

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Dermatofibroma or Combined Nevus?

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Page 1: DDX Dermatofibroma versus Combined Nevus Derm… · Title: DDX Dermatofibroma versus Combined Nevus.pptx Author: Paul Shitabata Created Date: 9/23/2010 8:06:32 PM

Dermatofibroma  or  Combined  Nevus?  

Page 2: DDX Dermatofibroma versus Combined Nevus Derm… · Title: DDX Dermatofibroma versus Combined Nevus.pptx Author: Paul Shitabata Created Date: 9/23/2010 8:06:32 PM
Page 3: DDX Dermatofibroma versus Combined Nevus Derm… · Title: DDX Dermatofibroma versus Combined Nevus.pptx Author: Paul Shitabata Created Date: 9/23/2010 8:06:32 PM
Page 4: DDX Dermatofibroma versus Combined Nevus Derm… · Title: DDX Dermatofibroma versus Combined Nevus.pptx Author: Paul Shitabata Created Date: 9/23/2010 8:06:32 PM
Page 5: DDX Dermatofibroma versus Combined Nevus Derm… · Title: DDX Dermatofibroma versus Combined Nevus.pptx Author: Paul Shitabata Created Date: 9/23/2010 8:06:32 PM
Page 6: DDX Dermatofibroma versus Combined Nevus Derm… · Title: DDX Dermatofibroma versus Combined Nevus.pptx Author: Paul Shitabata Created Date: 9/23/2010 8:06:32 PM

Dermatofibroma  or  Combined  Nevus?  

Page 7: DDX Dermatofibroma versus Combined Nevus Derm… · Title: DDX Dermatofibroma versus Combined Nevus.pptx Author: Paul Shitabata Created Date: 9/23/2010 8:06:32 PM

Dermatofibroma                  Combined  Nevus  

Page 8: DDX Dermatofibroma versus Combined Nevus Derm… · Title: DDX Dermatofibroma versus Combined Nevus.pptx Author: Paul Shitabata Created Date: 9/23/2010 8:06:32 PM

Collagen  entrapment  

Predominately  spindled  cells  

Giant    cells  

Dermatofibroma  

Page 9: DDX Dermatofibroma versus Combined Nevus Derm… · Title: DDX Dermatofibroma versus Combined Nevus.pptx Author: Paul Shitabata Created Date: 9/23/2010 8:06:32 PM

Combined  Nevus  Melanin  pigment  

Spindled  And    Epithelioid  cells  

Page 10: DDX Dermatofibroma versus Combined Nevus Derm… · Title: DDX Dermatofibroma versus Combined Nevus.pptx Author: Paul Shitabata Created Date: 9/23/2010 8:06:32 PM

MelanA  positive  cells  in  Combined  Nevus