Question

6 You are presented the following X-ray from a six-year-old child (Fig. 8.42). a identify the bones in the X-ray. b Your colleague thinks that there may be a fracture present at the arrow in Figure 8.42. What do you think? Is this a fracture or a normal anatomical feature? Explain. (Hint: Think about bone development in children. What structure is present in many bones at the epiphysis?) FIGURE 8.42 X-ray from six-year-old child.

Answer 1

a)

Bones in the X ray are radius and ulna

and carpals(scaphoid, lunate,triquetral, pisiform,trapezius, trapezoid and capitate and hamate) and metacarpals and phalanges (distal and proximal)

b) No that was not the fracture

It was the unfused epiphyses and it was mistaken as fracture and it is normal anatomical feature

Usually the age of fusion of radius and ulnar epiphyses is 18 to 19 years

but the X-ray was of 6 year old child so the epiphyses did not fuse

The structure which is present at many bones in the epiphyses is epiphyseal plate

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