Diseases & conditions A-Z List
Diseases & Conditions A-Z List - «S»:
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Skin lesion of blastomycosis
A skin lesion of blastomycosis is a symptom of an infection with the fungus Blastomyces dermatitidis. The skin becomes infected as the fungus spreads throughout the body.
Causes
Blastomycosis is a rare fungal infection. It is most common in the central and southeastern United States, and in Canada...
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Skin lesion of coccidioidomycosis
Skin lesions of coccidioidomycosis are a symptom of infection with the Coccidioides immitis fungus.
Causes
Coccidioidomycosis is a fungal infection most commonly seen in the desert regions of the southwestern United States, and in Central and South America. You get it by breathing in fungal partic...
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Skin lesion of histoplasmosis
Skin lesions of histoplasmosis are a symptom of widespread infection with the fungus Histoplasma capsulatum.
Causes
Histoplasmosis is a fungal infection. It occurs all over the world.
Histoplasma fungus grows in soil. When particles become airborne, they can be breathed into the lungs, causing infe...
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Skin lumps
Skin lumps are any abnormal lump or swelling on the skin.
Considerations
Many people wonder if small bumps or lumps on the body are something to worry about. Most lumps and swellings are benign (not cancerous) and are harmless, especially the kind that feel soft and roll easily (lipomas).
A lump or...
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Skin sagging treatment - underarms
Question:
I have sagging skin under my arms. Is there anything I can do?
Answer:
The muscles on the bottom side of your arms are called the triceps. Try push-ups or any other triceps-building exercise to build these muscles. If this does not work, you may wish to discuss cosmetic surgery or laser tr...
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Skin self-exam
Skin self-exam means checking your own skin regularly for any abnormal growths or unusual changes. A skin self-exam helps find any suspicious skin problems early. The earlier skin cancer is diagnosed, the better chance you will have for a cure.
How the Test is Performed
The National Cancer Institut...
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Skin turgor
Skin turgor is the skin's ability to change shape and return to normal (elasticity).
Considerations
Skin turgor is a sign commonly used by health care workers to assess the degree of fluid loss or dehydration. Fluid loss can occur from common conditions, such as diarrhea or vomiting. Infants and yo...
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Skull fracture
A skull fracture is a fracture or break in the cranial (skull) bones.
See also: Concussion
Considerations
Skull fractures may occur with head injuries. Although the skull is tough, resilient, and provides excellent protection for the brain, a severe impact or blow can result in fracture of the sku...
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Skull x-ray
A skull x-ray is a picture of the bones surrounding the brain, including the facial bones, the nose, and the sinuses.
See also: Sinus x-ray
How the Test is Performed
The test is performed in a hospital radiology department or in the health care provider’s office by an x-ray technician. You ...
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Sleep disorders
Sleep disorders involve any difficulties related to sleeping, including difficulty falling or staying asleep, falling asleep at inappropriate times, excessive total sleep time, or abnormal behaviors associated with sleep.
Causes
More than 100 different disorders of sleeping and waking have been ide...
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Sleep disorders in the elderly
Sleep disorders in the elderly involve any disruptive pattern of sleep such as problems with falling or staying asleep, excessive sleep, or abnormal behaviors associated with sleep.
Causes
Sleeping problems are common in the elderly. In general, older people require less sleep, and their sleep is l...
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Sleeping difficulty
Sleeping difficulty can involve difficulty falling asleep when you first go to bed at night, waking up too early in the morning, or waking up often during the night. It can also involve combinations of these patterns.
See also: Insomnia
Considerations
Everyone has an occasional sleepless night, an...
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Sleeping sickness
Sleeping sickness is infection with organisms carried by certain flies. It results in swelling of the brain.
Causes
Sleeping sickness is caused by two organisms, Trypanosoma brucei rhodesiense and Trypanosomoa brucei gambiense. The more severe form of the illness is caused by rhodesiense.
Tsetse fl...
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Sleepwalking
Sleepwalking is a disorder that occurs when a person walks or does another activity while they are still asleep.
Causes
The normal sleep cycle has distinct stages, from light drowsiness to deep sleep. During rapid eye movement (REM) sleep, the eyes move quickly and vivid dreaming is most common.
Ea...
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Sleepwalking and children
Question:
Is sleepwalking normal for children?
Answer:
Sleepwalking is a disturbance where a person leaves their bed and walks without being aware of the event. It is usually triggers by poor sleep habits.
In children, sleepwalking starts between ages 6 and 12 and occurs more often in boys than gir...
