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Originally Posted by docicu3
Respectfully disagree sir....about 2 weeks post fracture the osteoblasts start to repair a fracture and a visible line of repair is evident on plain film. The finding is not subtle. A fracture with a fragment is one of the easiest findings to read on an XRay. In my heart of hearts I just have a feeling that the fans and the betting public were taken for a ride on this one....the horse should never have seen the track at Pimlico.
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Seriously - I'll be glad to show you radiographs where the stress fracture doesn't show (and I'm not talking about chips, detached or not, but stress fracture lines). You point out one time frame, above - in the time in the two-three weeks before osteoblasts start to repair a fracture and form a visible line of repair. In the digital radiographs of bucked shins where the microfractures are not detectable on radiograph, but are suspicious on scintigraphy. The horse carpus and tarsus can be extremely difficult to read, even using manipulativable digitals, for subtle stress fractures.
If the horse was a bit "off" after the Derby, and they radiographed the second day after the Derby - and even repeated the rads the day before the Preakness to be sure - it's entirely possible the stress fracture couldn't be appreciated.
I didn't see if they mentioned where the stress fracture was located - anybody? (I know they said where the chip was)
You know, chip fractures are sometimes left in and ignored unless they cause trouble, too. Depends a bit on location, etc.
I am very interested in what will happen when the Ruffian center being built by IEAH in NY opens, as I think that will have MRI or scintigraphy (can't remember which). There won't be the travel necessary as exists here in Lexington to get to a facility with that capability.
Cost, however, is the main deterrant for the use of both MRI and scintigraphy.
I'm a ma'am
