Brain abscess causes: Difference between revisions
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==Overview== | ==Overview== | ||
Brain abscesses commonly occur when bacteria or fungi infect part of the brain. The source of the infection is often not found. However, the most common source is a lung infection. | Brain abscesses commonly occur when bacteria or fungi infect part of the brain. The source of the infection is often not found. However, the most common source is a lung infection. The germs that cause a brain abscess usually reach the brain through the blood. Less often, a heart infection is to blame. Germs may also travel from a nearby infected area (for example, an ear infection) or enter the body during an injury (such as a gun or knife wound) or surgery. | ||
In children with heart disease or a birth defect, such as those with [[Tetralogy of Fallot (patient information)|tetralogy of fallot]], infections are more able to reach the brain from the intestines, teeth, or other body areas. | |||
==Causes== | ==Causes== | ||
===Life Threatening Causes=== | ===Life Threatening Causes=== | ||
Revision as of 15:35, 15 July 2015
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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American Roentgen Ray Society Images of Brain abscess causes |
Overview
Brain abscesses commonly occur when bacteria or fungi infect part of the brain. The source of the infection is often not found. However, the most common source is a lung infection. The germs that cause a brain abscess usually reach the brain through the blood. Less often, a heart infection is to blame. Germs may also travel from a nearby infected area (for example, an ear infection) or enter the body during an injury (such as a gun or knife wound) or surgery. In children with heart disease or a birth defect, such as those with tetralogy of fallot, infections are more able to reach the brain from the intestines, teeth, or other body areas.
Causes
Life Threatening Causes
Common Causes
Causes by Organ System
| Cardiovascular | No underlying causes |
| Chemical/Poisoning | No underlying causes |
| Dental | No underlying causes |
| Dermatologic | No underlying causes |
| Drug Side Effect | No underlying causes |
| Ear Nose Throat | No underlying causes |
| Endocrine | No underlying causes |
| Environmental | No underlying causes |
| Gastroenterologic | No underlying causes |
| Genetic | No underlying causes |
| Hematologic | No underlying causes |
| Iatrogenic | No underlying causes |
| Infectious Disease | No underlying causes |
| Musculoskeletal/Orthopedic | No underlying causes |
| Neurologic | No underlying causes |
| Nutritional/Metabolic | No underlying causes |
| Obstetric/Gynecologic | No underlying causes |
| Oncologic | No underlying causes |
| Ophthalmologic | No underlying causes |
| Overdose/Toxicity | No underlying causes |
| Psychiatric | No underlying causes |
| Pulmonary | No underlying causes |
| Renal/Electrolyte | No underlying causes |
| Rheumatology/Immunology/Allergy | No underlying causes |
| Sexual | No underlying causes |
| Trauma | No underlying causes |
| Urologic | No underlying causes |
| Miscellaneous | No underlying causes |