Figure 1
From: Origins and molecular biology of testicular germ cell tumors

(a) IGCNU. The malignant cells are located towards the periphery of the lumen. They exhibit cytoplasmic clearing and the nuclei are enlarged, have irregular contours, coarse chromatin and prominent nucleoli. (b) IGCNU (arrows) associated with microlithiasis. (c) Isolated neoplastic cells (IGCNU) within hyalinized tubules.