Squamous cell carcinoma associated with endometriosis in the uterus and ovaries: A case report

Figure 2 Morphological features. A: Endometrial glands appeared in the myometrium [Hematoxylin and eosin (HE) 10 ×]; B: Some ectopic endometrial glands showed metaplasia in squamous epithelium (HE 10 ×); C: Tumor cells showed differentiation characteristics in squamous epithelium, arrayed as nests and infiltrated with a large amount of keratinization (HE 10 ×); D: The cystic wall of a solid cystic mass in the right ovary (HE 10 ×); E and F: Normal squamous epithelial and cervical glands were observed in cervical tissues (HE 4 ×, 10 ×).