19. Cronkhite-Canada Syndrome Definition Cronkhite-Canada syndrome is a very rare, sporadically occurring, uninherited disorder. It is characterized by gastrointestinal polyps, cutaneous pigmentation, alopecia, and onychodystrophy. Incidence Cronkhite-Canada syndrome is an…
17. Churg-Strauss Syndrome Definition Churg-Strauss syndrome (CSS) is an allergic, granulomatous angitis that is a variant of necrotizing vasculitis in which there is significant lung involvement. It also affects the…
16. Choanal Atresia Definition Choanal atresia is the congenital absence or closure of the paired openings between the nasal cavity and the nasopharynx. Because this obstruction is complete, the neonate…
15. Budd-Chiari Syndrome Definition Budd-Chiari syndrome is an uncommon condition of obstruction of intrahepatic veins. It is induced by thrombotic or nonthrombotic obstruction of hepatic venous outflow, leading to congestive…
8. Arthrogryposis Definition Arthrogryposis is a nonprogressive condition that is obvious at birth by the characteristic multiple joint contractures that occur throughout the body. The disorder is also known as…
12. Becker’s Dystrophy Definition Becker’s dystrophy is a genetic variation of Duchenne’s muscular dystrophy. This form is very similar to pseudohypertrophic muscular dystrophy (Duchenne’s), but the onset of the disease…
11. Bartter Syndrome Definition Bartter syndrome is a form of hyperaldosteronism that results from hypertrophy and hyperplasia of the juxtaglomerular cells, with normal blood pressure and hyperkalemic alkalosis without edema,…
7. Arnold-Chiari Malformation Definition Arnold-Chiari malformation is a complex congenital malformation of the hindbrain that is often associated with myelomeningocele. The deformity is characterized by downward displacement of the medulla,…
10. Barrett’s Esophagus Definition Barrett’s esophagus (BE) is a peptic ulcer in the lower esophagus, often associated with stricture, caused by the presence of columnar-lined epithelium. The columnar-lined epithelium may…
9. Autonomic Hyperreflexia Definition Autonomic hyperreflexia is an imbalanced reflex sympathetic discharge that occurs in patients with spinal cord injury (SCI) higher than the level of splanchnic sympathetic outflow. Autonomic…
