Peripheral Nerve and Skeletal Muscle
Figure 18.1 Normal peripheral nerve, microscopic This normal peripheral nerve in longitudinal section shows slightly wavy, elongated cell bodies (axons, ♦) of the fibers. A thin connective tissue layer, the…
PATHOLOGY & LABORATORY MEDICINE
The Pancreas
Figure 9.1 Normal pancreas, gross The normal adult pancreas weighs 85–90 g and has indistinct regions, including a head adjacent to the duodenum (a small portion of duodenum appears here…
The Lower Urinary Tract
Figure 11.1 Urinary tract, x-ray This intravenous pyelogram image is obtained following intravenous injection of a radiopaque contrast agent filtered out of the glomeruli into the urinary tract. It shows…
Red Blood Cell Disorders
Figure 4.1 Normal bone marrow, microscopic At medium-power magnification, normal marrow is seen to be a mixture of hematopoietic elements and adipose tissue. This marrow is taken from the posterior…
Blood Vessels
Figure 1.1 Normal artery, microscopic This muscular artery in longitudinal section shows a thin intima (▪) above an imperceptible internal elastic lamina. Below this is the thick media (□), with…
Other Malignant Soft Tissue Tumors, Including Those of Uncertain Type
The neoplasms described in this comprehensive chapter are a heterogeneous group of tumors, having for the most part uncertain histogenesis and no known normal tissue counterpart. Each is characterized by…
Soft Tissue Tumors of Intermediate Malignancy of Uncertain Type
In previous editions of this textbook, several entities of uncertain type were placed into either benign or malignant categories. Although these entities still remain an enigma with regard to line…
Benign Tumors of Peripheral Nerves
Benign peripheral nerve sheath tumors differ from other soft tissue tumors in several important respects. Most soft tissue tumors arise from mesodermally derived tissue and display a range of features…
Soft Tissue Tumors Showing Melanocytic Differentiation
The overwhelming majority of human tumors showing melanocytic differentiation occur in the skin and represent benign melanocytic nevi, their variants, and malignant melanomas. However, a small percentage of tumors showing…
