Obgyn Key

Diarrhea   Ricardo A. Caicedo and Ivor D. Hill   Diarrhea is an increase in the liquidity and/or frequency of the stools. It reflects an increase in stool water content…

Disorders of Fatty Acid Oxidation   Stephen I. Goodman   Mitochondrial fatty acid oxidation provides the main source of energy for heart and skeletal muscle and, by generating acetyl-CoA for…

Acute Lymphoblastic Leukemia   James B. Nachman   Acute lymphoblastic leukemia (ALL) is the most common childhood malignancy, accounting for almost 25% of cancer diagnoses seen in children younger than…

Neuroblastoma   Michael D. Hogarty and Garrett M. Brodeur   Neuroblastoma, a tumor of the sympathetic nervous system, is the most common solid tumor in childhood. Interestingly, some infants with…

Mycoplasma Infections   Julia A. McMillan   Mycoplasma are bacteria that make up one genus of a special class called Mollicutes. Unlike other bacteria, Mycoplasma lack rigid cell walls (Mollicute…

Sleep Disorders   Hemant Sawnani and Narong Simakajornboon   A survey from the National Sleep Foundation (NSF) shows that 69% of children under 10 years of age experience some type…

Urinary Tract Infections   Keith M. Krasinski   Identification and treatment of urinary tract infections (UTIs) is important not only for explaining and managing signs and symptoms such as fever…

Staphylococcus Infections   Beverly L. Connelly   Staphylococci are ubiquitous inhabitants of the skin and mucous membranes of humans and other mammals. They exist in a commensal relationship until a…

Birth Defects, Malformations, and Syndromes   John C. Carey and Michael J. Bamshad   Birth defects are relatively common—about 2% of newborns will have a medically significant malformation recognized during…

Histiocytic Disorders   R. Maarten Egeler, Robert J. Arceci, and Jan-Inge Henter   Under the term histiocytoses, we consider a group of disorders that have in common the proliferation of…