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Case 280

Surgical Pathology Case
 

CLINICAL INFORMATION

  67-year-old male, subcutaneous mass of right posterior knee. Gross the 4.0 3.5 cm lesion is pink-purple and very hemorrhagic. An needle core biopsy was performed.
     
 
 

HE, 20

HE, 20

 
 

HE, 20

HE, 20

 
 

HE, 20

HE, 40

 
 

HE, 40

Wright-Giemsa, 40

     
 

Click here for diagnosis and discussion.

 

Source: Department of Pathology, Creighton University Medical Center, Omaha, NE

Photo: Zenggang Pan

Discussion: Zenggang Pan