PMC7311574_01
Histological results of pre-treatment biopsy. They show a category IIB endometritis. (A) Lymphocytes and plasma cells in the stratum compactum and spongiosum; (B) periglandular inflammatory clusters; (C) fibrotic glandular nests.
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F1
Infiltration of lymphocytes and plasma cells was observed in the stratum compactum and spongiosum (Figure 1A) and as periglandular inflammatory clusters (Figure 1B). Endometrial glands were mildly reduced in number with accumulation of eosinophilic secretion and some fibrotic glandular nests were also observed (Figure 1C).
PMC7311574_02