Fig. 5From: Adult sacrococcygeal teratoma excised by endoscopic surgery with a transsacral approach: a case reportA multilocular tumor measuring 3 cm in diameter (a). The cyst wall was covered with hairline epithelium, stratified squamous epithelium, and columnar epithelium, and the cyst stroma had fibrous tissue, smooth muscle tissue, and peripheral nervous tissue (b: hematoxylin and eosin (HE) staining × 40)Back to article page