Clinical Study

IgG4-Related Perineural Disease

Figure 1

CT (a) and MRI ((b and d): T2-weighted images; (c, e, and f): T1-weighted images) of orbital space in 55-year-old man (case 1). CT image reveals soft tissue around the bilateral infra orbital nerve (a; arrows). MRI shows soft tissue around the left orbital nerve (b–d; small arrows), bilateral infraorbital nerve (c–f; arrows) and right supraorbital nerve (c and d; arrowheads). Left orbital nerve can be detected in the lesion (b and d).
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(a)
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(b)
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(c)
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(d)
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(e)
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(f)