Intrachiasmatic abscess caused by IgG4-related hypophysitis

11 Citations (Scopus)


INTRODUCTION: Autoimmune hypophysitis is a rare disease of the pituitary, which may affect vision by inflammation and compression of the optic chiasm. However, intrachiasmatic abscess formation has not been previously reported.

METHODS: In this study, we report a case of a 29-year-old female with bitemporal hemianopia due to a cystic intrasellar tumor. The patient underwent surgical decompression of the lesion, which was found to be an intrachiasmatic abscess.

RESULTS: The histologic findings were consistent with IgG4 hypophysitis.

CONCLUSION: This rare clinical presentation suggests that in case of a disproportionate degree of visual impairment in relation to the size of the lesion, suspicion should lead to an intrachiasmatic lesion.

Original languageEnglish
JournalActa Neurochirurgica
Issue number11
Pages (from-to)2229-2233
Number of pages5
Publication statusPublished - Nov 2017


  • Journal Article


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