Partial resection of the proximal lateral tibia. Anatomical orientation not completely sure, clinical description. Parts of tendons and muscles still attached to the periosteum. The cut shows a central tumor, destroying cortical bone and spongiosa.
Additional finding: Histology: Osteoblastoma
Clinical presentation: Periosteal tumor on the proximal lateral tibia (Osteoblastoma).
Commentary:
Benign tumor, structured similar to the spongiosa, deriving from osteoblasts with partial formation of osteoid and party well developed fibroblastic tissue. Can be found in children over 5 years, most common in the second decade of life.
Source: ©PathoPic
