Endometrial Pneumatosis.

The article presents a case study of 40-year-old woman with a history of abnormal uterine bleeding and trapped endometrial stromal cells created an appearance of small oval nuclei. Her immunohistochemical staining for CD10 displayed diffuse cytoplasmic staining in the endometrial stroma and mucin and glycogen stains were negative. It mentions endometrium pneumatosis (EP) has been proposed to be associated with possible infection and mucosal disruption.