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Kane and colleagues rightly emphasise the increasing importance of diagnostic ultrasound in rheumatological practice.1 New equipment with small transducers and greatly magnified images, albeit more expensive, make the case for its routine use in clinics stronger all the time. As Kane points out, plantar fasciitis is an excellent example of this, both for diagnosis and ensuring correct placement of injection therapy. We entirely agree that it is altogether better than using bone scintigraphy in this condition.
As Kane et al suggest, plantar fasciitis can be difficult to treat. They claim that clinical results are improved by using an ultrasound guided injection. Even accounting for the sample size, their results are difficult to interpret. For the majority of patients appropriate advice on footwear, weight reduction, stretching exercises, non-steroidal anti-inflammatory drugs, and insoles are …