Case 216

Surgical Pathology Case


  A 21-year-old male presented with a soft tissue mass in the right proximal fibula.



The specimen consists of a proximal 1/3 of the right fibula measuring 13.0 x 2.7 x 3.7 cm. A soft tan-brown mass measuring 3.6 x 0.6 x 0.4 cm is identified within the central portion of the bone and extends from the diaphysis/metaphysis to within 1.6 cm from the proximal surgical margin.


HE, 4

HE, 10


HE, 10

HE, 20


HE, 40

HE, 40


HE, 40



Click here for diagnosis and case discussion.


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

Gross photo: BT; microscopic photo: Zenggang Pan

Discussion: Zenggang Pan