Chapter 34 Laminitis
Pathophysiology of Laminitis
Histopathology of Acute Laminitis
Diagnosis of Laminitis
Radiographic examination is critical for establishing a treatment protocol and prognosis. Although rotation of the DP often can be managed successfully, sinking warrants an extremely guarded prognosis. Lateromedial images help to determine whether the condition is acute or an exacerbation of a more chronic problem. Abnormal thickness of the dorsal hoof wall, with or without modeling of the toe of the DP, implies previous disease. Lateromedial images are also important to establish the baseline position of the DP within the hoof capsule. Dorsopalmar images may be useful for assessing mediolateral balance in horses with chronic, unstable laminitis and to delect radiolucent lines indicative of lamellar separation (Figure 34-6, B). If the foot is grossly misshapen, trimming it first is preferable; otherwise, a false impression of severe rotation of the DP, which merely reflects the abnormal hoof wall growth and the development of a lamellar wedge, may occur.
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