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The American Society of Dermatopathology
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Case Study of the Month
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Interactive Case Study - May 2018
A 24-year-old African American male with a firm, non-painful nodule on the shoulder
Nicholas Logemann, DO; Michael Austin, DO
Question 1:
A 24-year-old African American male presented with a firm, non-painful, 9-millimeter nodule on the left shoulder that had been present for one year with slow, stable growth.
Click this image to view the virtual slide
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5. CD63
Figure 6
Figure 7
What is the best diagnosis?
A.
Cellular neurothekeoma
B.
Cutaneous leiomyosarcoma
C.
Epithelioid cell histiocytoma
D.
Intradermal Spitz nevus
E.
Plexiform fibrohistiocytic tumor