Q. All of these are associated with traumatic injuries except ?
a. Butterfly fragment
b. Thurston - Holland fragment
c. Free fragment
d. Constant fragment
Answer -
c
Comminuted fractures especially short oblique fractures are usually associated with a broken separate piece of bone on radiographs and it is called the butterfly fragment.
Physeal injuries in children if associated with a part of metaphyseal are fractured is classified as Salter Harris type 2 in the classification of same name. This small metaphyseal part is called Thurston - Holland fragment or sign.
Constant fragment is related to calcaneal fractures in which one broken part is considered constant and surgery was done to put together other parts to this one. This ,however, was an older concept.
Free fragment is extruded fragment of intervertebral disc that is broken and now lies free inside spinal canal.
a. Butterfly fragment
b. Thurston - Holland fragment
c. Free fragment
d. Constant fragment
Answer -
c
Comminuted fractures especially short oblique fractures are usually associated with a broken separate piece of bone on radiographs and it is called the butterfly fragment.
Physeal injuries in children if associated with a part of metaphyseal are fractured is classified as Salter Harris type 2 in the classification of same name. This small metaphyseal part is called Thurston - Holland fragment or sign.
Constant fragment is related to calcaneal fractures in which one broken part is considered constant and surgery was done to put together other parts to this one. This ,however, was an older concept.
Free fragment is extruded fragment of intervertebral disc that is broken and now lies free inside spinal canal.
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