Bone Neoplasms and Other Nonmetabolic Disorders Omar Hameed Michael J. Klein I. NORMAL MICROSCOPIC ANATOMY. The bones are composed of compact bone, which is derived from intramembranous ossification, and coarse…
Retroperitoneum Catalina Amador-Ortiz Louis P. Dehner John D. Pfeifer I. NORMAL ANATOMY. The retroperitoneal space (in some respects a virtual space) is located between the posterior parietal peritoneum and the…
Soft Tissue John D. Pfeifer Louis P. Dehner If the term “soft tissue” were restricted to only mesodermally derived structures, then nerves and neural tumors would not be considered in…
Lymph Nodes Anjum Hassan Friederike Kreisel I. NORMAL ANATOMY. Lymph nodes are the most widely distributed collections of lymphoid tissue within the lymphoreticular system, which also includes the thymus, tonsils,…
Bone Marrow Pathology Jeffery M. Klco John L. Frater I. NORMAL GROSS AND MICROSCOPIC ANATOMY. The bone marrow is generally considered the fourth largest organ in the human body and…
Nerve Biopsies Robert E. Schmidt Successful use of nerve biopsy requires a discussion between the clinician and neuropathologist since the clinical differential diagnosis may dictate an unusual sampling scheme, for…
Central Nervous System: Brain, Spinal Cord, and Meninges Richard J. Perrin Sushama Patil Arie Perry I. INTRODUCTION. The task of evaluating a neuropathologic specimen often seems daunting, given the complexity…
Skin: Melanocytic Lesions Anne C. Lind Nils Becker Emily A. Bantle Louis P. Dehner I. BACKGROUND. Melanocytes are melanin-synthesizing cells derived from the neural crest. During the first 3 months…
Nonmelanocytic Tumors of the Skin Nathan C. Walk Yumei Chen Anne C. Lind Friederike Kreisel Dongsi Lu I. BENIGN TUMORS OF THE EPIDERMIS A. Seborrheic keratosis 1. Clinical: Single or…
