Xanthogranulomatous inflammation, a specific form of chronic inflammation, is marked by parenchymal destruction, proliferative fibrosis, and infiltration of typical foamy histiocytes admixed with hemosiderin-laden macrophages and foreign-body giant cells. Myometrial xanthomatosis, a term designated for nodular or diffuse histiocytic hyperplasia of the myometrium, has been reported in association with pregnancy-related procedures. Moreover, a 2-3-fold increase in histiocytic counts has been observed in leiomyomatous areas than in adjacent normal myometrium. The first evidence of collections of lipid-laden macrophages was documented in the form of yellowish degeneration of uterine leiomyomas. We report a case of xanthogranulomatous change in a leiomyoma in a 47-year-old female who presented with abnormal uterine bleeding. To the best of our knowledge, this is the first report of xanthogranulomatous variant/degenerative change in a leiomyoma. This case highlights a new variant of leiomyoma which both gynecologists and pathologists should be aware of as it may pose a diagnostic challenge both clinically as well as pathologically.
Keywords: Histiocytes; leiomyoma; xanthogranulomatous change.
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