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Pilonidal Cyst

Pilonidal Cyst Overview

A pilonidal cyst is a cyst that develops along the tailbone (coccyx) near the cleft of the buttocks. These cysts usually contain hair and skin debris. The term pilonidal is derived from the Latin words pilus (hair) and nidus (nest). Individuals with a pilonidal cyst may not have any symptoms at all (termed asymptomatic), whereas others may develop an infection of the cyst with associated pain and inflammation.

Pilonidal cysts occur more frequently in men than in women and usually occur between the ages of 15 to 24. Pilonidal cysts are uncommon after the age of 40.



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Pilonidal Cyst - Symptoms

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Pilonidal Cyst

Fever in Adults Overview

A fever is higher-than-normal body temperature. It is a symptom caused by a variety of illnesses.

Every one of us has experienced the wave of chills and exhaustion that a fever causes. Fever usually occurs in response to an infection or inflammation. However, many other causes are possible, including drugs, poisons, cancer, heat exposure, injuries or abnormalities to the brain, or disease of the endocrine (hormonal) system.

A fever rarely comes without other symptoms. It is often accompanied by specific complaints, which may help to identify the illness causing the fever. This can help the doctor determine which treatment is necessary.

  • Normal body temperature can vary depending on the individual, the time of day, and even the weather. For most people, a temperature of 98.6°F is baseline.

  • Temperature is usually controlled by the part of the brain called the hypothalamus. The hypothalamus i...

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Pilonidal Disease »

Pilonidal disease was first reported in 1833. Sacrococcygeal pilonidal sinus is a common disorder among young adults.

Read More on eMedicine »

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