A cystic teratoma with a small<unk>  — region of thickened cyst wall (bottom part of image). In gynecology, a<unk>  is a mass or lump in an ovarian teratomatous cyst.
Rokitansky nodule
Gandy–Gamna nodules
Hill–Sachs lesion
Koeppe's nodules
Sister Mary Joseph nodule
Bankart lesion
Milker's nodule
Cameron lesions