Risk Incidence of 1 case per million people per y. Accounts for 20% of cases of RPGN or crescentic glomerulonephritis. In terms of bimodal age distribution, more common in males 20–30 y of age and females 60–70 y of age.…
Risk The prevalence of gonorrhea is decreasing, with 106.1:100,000 as of 2013. Most common in people ages 15–24 y, in large urban areas, and among people with low socioeconomic status and/or low levels of education. Incidence higher in men; prevalence…
Risk Incidence: 1:5500 live births. Second most common facial birth defect after cleft lip and palate. Extracraniofacial anomalies can range from one anomaly (13%) to multiple affected organ systems (42%). No gender or side predominance was detected. Central nervous system,…
Risk There are a total of 11 GSDs (0–7, 9, 11, and 12; there is no GSD 8 or 10); the most common are GSD I (Von-Gierke), GSD II (Pompe [3 types]) and GSD III (Cori or Forbe), which may…
Risk Most common enzyme deficiency in the world. Due to X-linked recessive inheritance. Worldwide incidence: 400 million. Regions with highest prevalence include Africa, Southeast Asia, the Mediterranean, and the Middle East. In USA, G6PD deficiency is prevalent among black males…
Risk Majority of cases of GPN are idiopathic. Increased prevalence with extracranial neoplasms, trauma/infection/inflammation to tonsils, and pharynx, arachnoiditis. More common in pts older than 50 y and middle-aged females. Perioperative Risks Vagoglossopharyngeal neuralgia occurs in 10% of pts with…
Risk Account for 0.6% of head and neck tumors worldwide Male-to-female prevalence ratio: 1:2.5 Slow-growing Can coexist with other paragangliomas Histologically benign but can be malignant with metastases Can be familial Perioperative Risks Hypothermia Massive blood loss Venous air embolism…
Risk Open-angle glaucoma is the leading cause of blindness among African Americans and the second leading cause overall in USA. African American race, advanced age, elevated IOP, myopia, low diastolic perfusion pressures, and family Hx of open-angle glaucoma increase the…
Acknowledgment The author wishes to acknowledge the contributions to the previous edition of this chapter by Dr. Kate Tobin. Risk According to the WHO, glaucoma is the second most common cause of blindness worldwide. Risk factors include hyperopia (far-sightedness), age…
Risk General population: 1:50,000 to 1:100,000. Inheritance follows an autosomal recessive pattern. Type 1 (nonneuropathic) most common and represents 99% of cases. Population with highest prevalence is Ashkenazi Jewish. 1:18 carrier rate 3:1000 of the Ashkenazi Jewish population have type…