Table 1.

Endometrial morphological features associated with Mirena coil

Morphological feature	Number of cases
Decidualisation of stroma	72 (96%)
Atrophy of glands	65 (87%)
Stromal inflammatory cell infiltrate	59 (79%)
Stromal inflammatory cell infiltrate, including plasma cells	20 (27%)
Surface papillary formations	38 (51%)
Stromal myxoid change	29 (39%)
Stromal haemosiderin deposition	24 (32%)
Glandular metaplasia	7 (9%)
Stromal necrosis	5 (7%)
Reactive atypia in surface glands	3 (4%)
Stromal calcifications	1 (1%)