Terminology and Classification Tumors of the endocrine pancreas are called pancreatic neuroendocrine neoplasms (PanNENs). PanNEN, like the neuroendocrine neoplasms (NENs) of the gastrointestinal tract, are stratified into two major groups ( Table 20.1 ), the well-differentiated NENs called pancreatic neuroendocrine…
The Normal Adrenal Gland The adrenal gland is a bipartite endocrine gland composed of cortex and medulla, each of which has different embryogenesis, structure, and function. The adrenal cortex arises from cells associated with the coelomic epithelium, which are of…
The Thyroid Gland John K.C. Chan Chapter Outline The Normal Thyroid Gland, 1244 Thyroid Tumors: An Overview, 1244 Diagnosis of Thyroid Tumors, 1247 Tumors of Follicular or Metaplastic Epithelium, 1249 Tumors Showing C-Cell Differentiation, 1292 Tumors Showing Both Follicular and C-Cell…
Introduction Tumors of the pituitary gland and sellar region represent approximately 15% of all brain tumors, and the most common primary brain tumor by histologic type in person age 15 to 39 years. Numerous types of tumors may involve the…
Classification of Breast Disease For the most part, consistency now exists in the terminology, definitions, and systems used for pathologic and clinical classification of breast disease. The World Health Organization (WHO), Royal College of Pathologists, College of American Pathologists (CAP),…
In this chapter, peritoneal lesions are reviewed under the following headings: tumorlike lesions, mesothelial neoplasms, miscellaneous primary tumors, metastatic tumors, and lesions derived from the so-called secondary Müllerian system. Disorders of the retroperitoneum, except those of peritoneal origin, are not…
Prostate and Seminal Vesicles Jae Y. Ro Mahul B. Amin Alberto G. Ayala Steven S. Shen Mukul K. Divatia Chapter Outline Prostate, 913 Tumors and Tumorlike Conditions of the Seminal Vesicles, 980 Prostate Prostatic carcinoma and benign prostatic hyperplasia (BPH) are the two principal conditions…
Ovary, Fallopian Tube, and Broad Ligament Karuna Garg Charles Zaloudek Chapter Outline Tumors of the Ovary, 702 Tumors of the Fallopian Tube, 777 Tumors of the Broad and Round Ligaments, 781 Tumors of the Ovary There are three main categories of primary…
Tumors of the Kidney John N. Eble David J. Grignon Robert H. Young Chapter Outline Epithelial Tumors of the Kidney, 600 Neuroendocrine Neoplasms of the Kidney, 619 Mesenchymal Tumors of the Kidney, 620 Secondary Neoplasms of the Kidney, 628 Renal Tumors in Children,…
Classification and General Features The classification and nomenclature used in this chapter are based on those proposed by the World Health Organization (WHO) in 2017 and 2019. Its premise is that the cellular phenotype of the tumors of the pancreas…