Q. ' Butress' or 'spur' formation is a feature of
a. Periosteal chondrosarcoma
b. Periosteal osteosarcoma
c. Periosteal Chondroma
d. Parosteal osteosarcoma
Answer -
c
The 'Butress' refers to the part of the bone that is elevated at the base of the tumor looking like a spur and the saucer- shaped erosion of the bone above it (see image below)
This is characteristic feature of periosteal Chondroma.
Periosteal Chondroma ( or Juxtacortical Chondroma or ecchondroma) is rare benign cartilage growth beneath periosteum and mostly at tendon insertion sites.
Proximal humerus is common site.
a. Periosteal chondrosarcoma
b. Periosteal osteosarcoma
c. Periosteal Chondroma
d. Parosteal osteosarcoma
Answer -
c
The 'Butress' refers to the part of the bone that is elevated at the base of the tumor looking like a spur and the saucer- shaped erosion of the bone above it (see image below)
This is characteristic feature of periosteal Chondroma.
Periosteal Chondroma ( or Juxtacortical Chondroma or ecchondroma) is rare benign cartilage growth beneath periosteum and mostly at tendon insertion sites.
Proximal humerus is common site.
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