Gross Processing of Liver Specimens
Gross Processing of Liver Specimens Roger K. Moreira, MD 2.1 GROSS ANATOMY Weight The normal human liver varies significantly in size, with an average weight of approximately 1,500 g (ranging…
PATHOLOGY & LABORATORY MEDICINE
The Normal Liver
The Normal Liver Samar Said, MD 1.1 GROSS ANATOMY The liver is located in the right upper quadrant of the abdomen, under the diaphragm. It has a smooth surface and…
Pulmonary Function, Arterial Blood Gases (ABGs), and Electrolyte Studies
Pulmonary Function, Arterial Blood Gases (ABGs), and Electrolyte Studies OVERVIEW OF PULMONARY FUNCTION TESTS Pulmonary Physiology There are three aspects of pulmonary function: perfusion, diffusion, and ventilation. Perfusion relates to…
Special Diagnostic Studies
Special Diagnostic Studies OVERVIEW OF SPECIAL DIAGNOSTIC STUDIES These special studies have been selected for discussion because of their great diagnostic value in identifying diseases and disorders of certain organs…
Prenatal Diagnosis and Tests of Fetal Well-Being
Prenatal Diagnosis and Tests of Fetal Well-Being OVERVIEW OF PRENATAL DIAGNOSIS Fetal well-being depends on maternal health (see Chapter 6, page 336 for gestational diabetes screening). Many routine prenatal tests…
Ultrasound Studies
Ultrasound Studies OVERVIEW OF ULTRASOUND STUDIES Ultrasound (ultrasonography) is a noninvasive procedure for visualizing soft tissue structures of the body by recording the reflection of inaudible sound waves directed into…
Microbiologic Studies
Microbiologic Studies OVERVIEW OF MICROBIOLOGIC STUDIES Diagnostic Testing and Microbes Microorganisms that cause infectious disease are defined as pathogens. Organisms that are pathogenic under one set of conditions may, under…
Chemistry Studies
Chemistry Studies OVERVIEW OF CHEMISTRY STUDIES Blood chemistry testing identifies many chemical blood constituents. It is often necessary to measure several blood chemicals to establish a pattern of abnormalities. A…
Immunodiagnostic Studies
Immunodiagnostic Studies OVERVIEW OF IMMUNODIAGNOSTIC STUDIES Immunodiagnostic or serodiagnostic testing studies antigen-antibody reactions for diagnosis of infectious disease, autoimmune disorders, immune allergies, and neoplastic disease. These modalities also test for…
Cerebrospinal Fluid Studies
Cerebrospinal Fluid Studies OVERVIEW OF CEREBROSPINAL FLUID (CSF) Description, Formation, and Composition of CSF Cerebrospinal fluid (CSF) is a clear, colorless fluid formed within the cavities (i.e., ventricles) of the…
