(A) Basal cell carcinomas (BCCs) of the preauricular space (top left), temple with preoperative markings (bottom left), and upper extremity (right) of adult patients demonstrate the morphologic diversity of BCC, which may present as an open sore, red patch, pearly papule, or scar. (B) T2 magnetic resonance 3-D fast-recovery fast-spin echo cube image of medulloblastoma in the cerebellar vermis (white arrow) of a pediatric patient. (C) Coronal PET (top) and CT (bottom) images of testicular rhabdomyosarcoma (white asterisk) with regional metastases to the left renal hilum (black arrow) in a young adult patient; the bladder in both images is denoted by a black asterisk.