Ectopic Pregnancy
Chapter 161 Ectopic Pregnancy Marie Elena Botte Definition and Epidemiology Ectopic pregnancy (from the Greek ektopos, meaning “out of place”) occurs when a fertilized ovum implants anywhere outside of the…
Myelodysplastic Syndromes
Chapter 241 Myelodysplastic Syndromes Anna D. Schaal Definition and Epidemiology The myelodysplastic syndromes (MDSs) are a heterogeneous group of bone marrow disorders characterized by ineffective dysplastic growth of the hematopoietic…
Tick-Borne Illnesses
Chapter 234 Tick-Borne Illnesses Jodie Dionne-Odom Ticks are excellent vectors for disease transmission. More than 800 species of these obligate blood-sucking creatures inhabit the planet. They are second only to…
HIV Infection
Chapter 230 HIV Infection Bryan J. Marsh, Christina F. Martin Definition and Epidemiology Human immunodeficiency virus type 1 (HIV-1) is a member of the family of viruses known as retroviruses….
Testicular Disorders
Chapter 151 Testicular Disorders Daniel A. Blaz Definition and Epidemiology Scrotal pain may be a symptom of an underlying pathologic condition of the scrotum or testis. The pain may be…
Lipid Disorders
Chapter 211 Lipid Disorders Mary Young Definition and Epidemiology Lipid disorders are a significant risk factor in the development of atherosclerotic cardiovascular disease (ASCVD), which remains the leading cause of…
Oncology Complications and Paraneoplastic Syndromes
Chapter 244 Oncology Complications and Paraneoplastic Syndromes Jane Taylor Williams, Marilyn Kenebrew An oncologic emergency is an acute, potentially life-threatening event that is directly or indirectly related to cancer or…
Pulmonary Embolism
Chapter 113 Pulmonary Embolism Nena Tucker Definition and Epidemiology Pulmonary embolism (PE) is the blockage of one or more of the pulmonary arteries or their branches by a thrombus or…
