Polarization of macrophage cellular center during endometrioid cyst evolution
This study found that macrophage polarization and transformation into siderophages lead to the functional destruction of the macrophage cell center, causing endometrioid cysts to subside due to impaired homeostasis.
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This histological study examined 57 women with histologically verified ovarian endometrioid cysts, categorizing the cysts as young, mature, or old based on morphological features, and quantifying macrophages/siderophages, lymphocytes, neutrophils, and eosinophils in multiple wall zones. The authors report that with maturation and aging, the macrophage “cellular center” undergoes functional destruction, attributed to insufficient vascularization, increased intracystic pressure, and fibrous layer densification leading to atrophy of the endometrioid lining and loss of homeostatic regulation; they further describe macrophage polarization followed by siderophage formation and eventual depletion of this center. A stated limitation is the reliance on morphological classification and static counts at hematoxylin-eosin staining to infer dynamic processes. This paper is centrally about endometriosis — ovarian endometrioid cyst evolution and how macrophage center polarization/destruction occurs during cyst aging.
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References (12)
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