Consolidation and Atelectasis W. Richard Webb Recognizing consolidation and atelectasis is fundamental to an understanding of pulmonary radiology. AIR-SPACE CONSOLIDATION Air-space consolidation represents replacement of alveolar air by fluid, blood,…
Congenital Bronchopulmonary Lesions W. Richard Webb A variety of congenital abnormalities may involve the bronchi, lung and it vascular supply. They often have characteristic plain film and computed tomography (CT)…
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…
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…
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…
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…
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…
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…
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…
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…
