PMC8214883_01
Gross view of the cut surface of the tumor with cystic and greyish-white solid area(arrowheads) that represent teratomatous component in microscopy.
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The cut surface of bilateral ovaries shows solid and cystic areas with focal papillaroid areas along with an occasional greyish brown, firm area, which revealed a teratomatous component (Figure 1).
Photomicrographs of the tumor. A - Section is lined by keratinous stratified squamous epithelium. The sub epithelium shows lobules of glands (H&E,100X); B - The section shows a cartilage formation (H&E,200X); C - Part of the cyst cavity is lined by benign columnar epithelium with moderate amount of mild eosinophilic cytoplasm. Tangential cut of the glands are also noted (Frozen Section,100X); D - The section is lined by columnar glandular epithelium having basally located nucleus with bland nuclear feature and moderate amount of eosinophilic cytoplasm(H&E,100X).
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Right adnexa showed ovarian stroma and many cysts like spaces lined by simple non-stratified columnar cells with abundant intracellular mucin and distinct areas of cartilaginous differentiation, pilo sebaceous units, and keratinous debris separated by ovarian parenchyma. (Figure 2 A to D).