Clinical features and laboratory findings in 4 muscle-biopsy proven cases.

<p>Clinical features and laboratory findings in 4 muscle-biopsy proven cases.</p

Frequency of symptoms, duration and site of myalgia reported by patients (n = 89).

<p>Frequency of symptoms, duration and site of myalgia reported by patients (n = 89).</p

Coronal STIR MRI demonstrating bilateral asymmetrical high signal in deep (arrow head) and superficial (arrow) temporalis muscles (Case 1, Table 3).

<p>Coronal STIR MRI demonstrating bilateral asymmetrical high signal in deep (arrow head) and superficial (arrow) temporalis muscles (Case 1, <a href="http://www.plosntds.org/article/info:doi/10.1371/journal.pntd.0002876#pntd-0002876-t003" target="_blank">Table 3</a>).</p

A single sarcocyst (arrow) within a muscle fibre (Case 4, Table 3).

<p>Typically there is mild myositis (★) near the sarcocyst. Bar = 40 microns. H&E stains, ×20 objective lens.</p

Axial STIR demonstrating heterogenous increased signal right (Rt) tibialis posterior (arrow) compared to non-oedematous muscles (arrowhead) left (Lt) calf (Case 2, Table 3).

<p>Axial STIR demonstrating heterogenous increased signal right (Rt) tibialis posterior (arrow) compared to non-oedematous muscles (arrowhead) left (Lt) calf (Case 2, <a href="http://www.plosntds.org/article/info:doi/10.1371/journal.pntd.0002876#pntd-0002876-t003" target="_blank">Table 3</a>).</p

32 year old student from China with facial swelling from swollen temporalis and masseter muscles (Case 1, Table 3).

<p>32 year old student from China with facial swelling from swollen temporalis and masseter muscles (Case 1, <a href="http://www.plosntds.org/article/info:doi/10.1371/journal.pntd.0002876#pntd-0002876-t003" target="_blank">Table 3</a>).</p