“…The histologic characteristics of AT are variable, with three basic distinguishing characteristics: tubules, cords, and small clusters covered with cuboid cells, with moderate eosinophilia and vacuolated cytoplasm, the latter being, an important diagnostic tool [ 8 ]. Differentiating AT from yolk sac tumor, malignant mesothelioma, sertoli cell tumor can be challenging; however, clinical, gross, morphologic assessment and immune-histochemical panel can be helpful such as mesothelial-related markers (calretinin, CK 5/6/7, and WT-1) for non-mesothelial lesions [ 14 ].…”