Germ Cell and Gonadal Tumours
Fig. 11.1 Mediastinal teratoma. (a) Axial and (b) coronal contrast-enhanced chest CT in a 2-year-old boy shows a mixed solid, cystic, fatty and calcific lesion occupying most of the left…
Tumors of the Adrenal Gland
Fig. 12.1 Three-dimensional CT reconstruction of an abdominal neuroblastoma in a 4-year-old boy. Segmentation of the neuroblastoma (in green) from the anterior pancreas (yellow), the posterior kidneys (orange–brown), and aorta…
Tumors of Lymphoid and Hematopoietic Tissues
Fig. 5.1 Basic structure of normal lymph node. (a) Schematic representation of the anatomy of a lymph node with the cortical, paracortical, and medullary regions. The cortex contains multiple follicles…
Malignant Renal Tumors
Classification for pediatric renal tumors Nephroblastic tumors Nephroblastoma (Wilms’ tumor) Favorable histology Anaplasia (diffuse or focal) Nephrogenic rests and nephroblastomatosis Cystic nephroma and cystic partially differentiated nephroblastoma Mesoblastic nephroma Cellular…
Malignant Bone Tumors
Fig. 4.1 Plain film radiograph of conventional high grade osteosarcoma of the femur in a 14 year old girl. Note the osteoid matrix of the large soft tissue mass and…
Gastrointestinal, Pancreatic and Hepatic Malignancies in Children
Fig. 9.1 A 17-year-old female with appendiceal carcinoid. Transverse ultrasound shows an enlarged appendix (arrows) with surrounding echogenic fat. No discrete mass was identified even though at resection a 5…
Malignant Skin Tumors in Children
Fig. 13.1 Multiple hyperpigmented macules and a basal cell carcinoma in a patient with xeroderma pigmentosum (Courtesy of Dr. A. Torrelo, Madrid) Patients with XP under 20 years of age…
Malignant Tumors of Peripheral Nerves
Fig. 15.1 MPSNT arising from ganglioneuroma. A ganglionic tumor with low grade schwannoma cell stroma segues into a high grade spindle cell neoplasm, X400 Patients with MPNST tend to be…
Pediatric Cancer in the Head and Neck
Fig. 7.1 (a, b) Nasopharyngeal carcinoma. (a) Contrast-enhanced CT in a teenage boy demonstrating an asymmetric enhancing right nasopharyngeal with extension into the retropharyngeal soft tissues. A right maxillary retention…
Intraocular Tumors
Fig. 14.1 Diagram of normal eye anatomy in the axial plane. The anterior chamber, located anterior to the lens, extends from cornea to iris. The posterior chamber extends from the…
