ArticleRadiology case reports2024
The visualization of hypertrophic pachymeningitis in antineutrophil cytoplasmic antibody-associated granulomatosis with polyangiitis on contrast-enhanced FLAIR.
Article in Radiology case reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Hypertrophic pachymeningitis is a rare inflammatory condition that leads to the thickening of the dura mater, either due to unknown or identifiable secondary causes. Granulomatosis with polyangiitis is a notable causative agent, and hypertrophic pachymeningitis is the initial presentation in certain cases. The diagnosis of hypertrophic pachymeningitis is aided by contrast-enhanced MRI, although distinguishing between normal and abnormal dural enhancement can be challenging using contrast-enhanced T1WI. This study highlights the case of an 80-year-old woman diagnosed with hypertrophic pachymeningitis secondary to antineutrophil cytoplasmic antibody-associated granulomatosis with polyangiitis, where contrast-enhanced FLAIR played a crucial role in distinctly identifying abnormal dural enhancement and differentiating it from normal dura. In conclusion, although contrast-enhanced T1WI remains indispensable, contrast-enhanced FLAIR can serve as a valuable complementary tool in MRI study sequences for the diagnosis of hypertrophic pachymeningitis.
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