OCAD MSK

History

59M sedentary editor recent acute onset non-traumatic 5th MPJ pain

Figure 1 for case calcium hydroxyapatite crystal deposition disease ( RID3594 ) — Figure 1

Figure 2 for case calcium hydroxyapatite crystal deposition disease ( RID3594 ) — Figure 2

Figure 3 for case calcium hydroxyapatite crystal deposition disease ( RID3594 ) — Figure 3

Figure 4 for case calcium hydroxyapatite crystal deposition disease ( RID3594 ) — Figure 4

Figure 5 for case calcium hydroxyapatite crystal deposition disease ( RID3594 ) — Figure 5

Discussion

The prescription said attention 5th MPJ sesamoid. I called the DPM, she said her XR showed what looked like an exploded sesamoid...I had her email them to me. The MRI is confusing given the degree of reactive edema: just shows you cannot evaluate for any kind of tear in the setting of HADD with reactive inflammation. I thought it looked like turf toe of the 5th MPJ, but the edema obscures the plate (and he is a sedentary guy). The calcific deposit is barely visible in the long axis and sagittal images. XRs are diagnostic.

Diagnosis

calcium hydroxyapatite crystal deposition disease ( RID3594 )

Hilary Umans, MD

Courtesy

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