Twisting the knee can cause a common knee injury known as a torn meniscus. Treatment sometimes includes surgery.
An abdominal aortic aneurysm is a dangerous condition in which a part of your body's main artery (aorta) is enlarged and in danger of rupturing.
An active life that includes sports may also include the risk of a torn ACL. Reduce your risk, and know when to get treatment.
Acute kidney failure is the sudden loss of your kidneys' ability to filter waste from your bloodstream. Correcting the underlying cause increases the likelihood of recovery.
Acute lymphocytic leukemia is a type of leukemia that affects immature white blood cells. It's the most common cancer in children and adolescents.
Adenomyosis can cause painful, excessive bleeding during menstrual periods. Explore symptoms and treatment.
Daily fevers, achy joints and an intermittent, salmon-pink rash may be an indication that you have a rare inflammatory disorder called adult Still's disease.
Alcohol can severely damage your liver — even moderate drinkers aren't immune. Learn more about this serious liver disease.
Ambiguous genitalia is a condition in which a newborn's external genitals don't appear clearly male or female.
Although the absence of menstruation (amenorrhea) is seldom serious, the condition can often be linked to an underlying problem requiring treatment.
Though anal cancer is rare, incidence of anal cancer is increasing. Find out the symptoms and causes of cancer of the anal canal.
An arteriovenous fistula is a treatable blood vessel condition in which your blood doesn't flow normally through your capillaries. Untreated, it can lead to complications.
Ascariasis is a common type of roundworm infection found worldwide. It's spread by poor hygiene and improper sanitation. Infections are effectively treated with medication.
Atelectasis, or collapsed lung, is a possible complication of many respiratory conditions. Find out what causes it and how it's treated.
Autonomic neuropathy refers to damage to or disease affecting the involuntary nerves.Autonomic neuropathy refers to damage to or disease affecting the involuntary nerves.
Back pain is a common reason for health care visits and missed work. Home treatment and proper body mechanics can help you feel better.
A Baker's cyst is a swollen area behind your knee. Treating the primary cause — such as arthritis or a cartilage tear — usually helps relieve pain.
Bladder stones are small masses of minerals in your bladder — often forming as a result of an enlarged prostate, nerve damage or infection.
Breast pain is a common problem for women. But while it can be worrisome and uncomfortable, it rarely signals cancer or another serious health condition.
Learn about cancer, what it looks like and what causes it.
Cerebral palsy — Comprehensive overview covers symptoms, causes and treatment of this movement disorder.
Don't ignore exercise-related pain, pressure or numbness, because it may indicate chronic exertional compartment syndrome. Proper treatment can get you back to your favorite sport.
Chronic kidney disease, often caused by diabetes or high blood pressure, is the gradual loss of kidney function. Early detection and treatment can help.
Chronic pelvic pain is pain in your pelvic region — the area below your bellybutton and between your hips — that lasts six months or longer.
Cleft lip and cleft palate are common birth defects. Surgical correction allows children with clefts to live normal and healthy lives.
Clubfoot is a treatable birth defect in which the foot twists awkwardly at the ankle. Untreated, an awkward gait and other problems may result.
Congenital adrenal hyperplasia is a genetic condition affecting the adrenal glands and interfering with normal growth and development in boys and girls.
Conjoined twins are identical twins most often joined at the chest, head or pelvis. In some cases, conjoined twins can be surgically separated.
Cystitis is an inflammation of the urinary bladder. It's most often caused by a bacterial infection but may have other causes.
Double uterus is a rare condition that sometimes goes undiagnosed throughout a woman's life. Find out how a double uterus can affect your reproductive health.
Endometrial cancer is one of the most common cancers in women. If detected early, this cancer is often successfully treated.
Endometriosis is a common and often painful disorder in which tissue that normally lines the inside of your uterus grows outside your uterus.
You can get an enlarged liver from a number of medical problems or personal habits. Treatment depends on what's causing the enlargement.
Although melanoma is commonly a type of skin cancer, it can also occur in your eye. Eye exams can often detect this rare cancer.
Fetal macrosomia — Overview covers risk factors and complications related to delivering a large baby.
Fibrocystic breasts feel lumpy, and they're prone to soreness before your period. They're sometimes uncomfortable, but fibrocystic breast changes are common.
Galactorrhea is a milky discharge from the nipple not associated with the normal milk production of breast-feeding.
Ganglion cysts are noncancerous fluid-filled lumps (cysts) that sometimes develop in the tendons or joints of the wrist, hand or foot.
Glomerulonephritis affects your kidneys' filtering function. Complications include high blood pressure, protein in the urine (proteinuria) and kidney failure.
Goiter is an enlargement of the thyroid gland due to a variety of causes. The condition can cause difficulty swallowing or breathing.
The extra flexibility of children's bones makes them more prone to greenstick fractures — an injury in which a bone bends and cracks.
Growth plate fractures can interfere with your child's normal bone growth, resulting in a stunted or twisted limb. Prompt, proper care is essential.
Gynecomastia, enlarged breasts in males, is a common problem. Find out about treatments and how to cope.
Hamstring injury — Comprehensive overview covers symptoms, treatments, self-care, prevention of this leg muscle injury.
High blood pressure in children and adolescents is often caused by another health condition, but is usually treatable with diet and exercise.
Hirsutism refers to excessive hair growth in women. Possibly a result of elevated male hormones, hirsutism is often caused by an underlying condition.
Incompetent cervix — Overview covers symptoms, risks and treatment of weak cervical tissue during pregnancy.
Spit up happens. Often, changes in feeding technique help keep reflux under control.
Inflammatory breast cancer occurs when cancer cells clog lymphatic vessels in the skin of the breast. It's a rare but deadly form of cancer.
A rare but serious disorder, intussusception occurs when one part of the intestine slides into an adjacent part, often causing intestinal obstruction.
Invasive lobular carcinoma is a form of breast cancer that develops in a milk-producing lobule of breast tissue.
Iron deficiency anemia may leave you feeling sapped of energy. This condition is especially common in women. Iron supplements usually help.
Ischemic colitis is a disorder in which the colon becomes inflamed, usually due to a disruption of blood flow.
Find out what could cause knee pain.
The risk of liver cancer may be reduced by protecting yourself from serious liver diseases such as cirrhosis and hepatitis B and C.
Liver hemangioma is the most common type of noncancerous (benign) liver mass. Learn how doctors treat liver hemangioma.
Lynch syndrome, an uncommon disorder caused by genetic defects, predisposes a person to develop colon cancer and other forms of cancer.
Mammary duct ectasia is a noncancerous breast condition in which the milk ducts beneath the nipple become wider, clogged and sometimes inflamed.
A monthly period is bad enough. Add in painful menstrual cramps, and you may be cursing this thing called womanhood. How do you get relief?
Miscarriage can be heartbreaking. It might help to understand possible causes and treatment options, as well as what to expect for the future.
Morton's neuroma is a growth of nerve tissue in your foot that may be caused by pressure or irritation. It can be painful.
In myelofibrosis, healthy bone marrow is replaced with scar tissue, leading to severe anemia and fatigue.
Neuroblastoma most commonly affects children age 5 and younger. It's the most common form of cancer in babies.
Nonalcoholic fatty liver disease is associated with obesity and diabetes. Lifestyle changes may prevent it from becoming serious.
Ovarian hyperstimulation syndrome (OHSS) — Comprehensive overview covers symptoms, treatment of this complication of infertility treatment.
Pancreatic cancer is often fatal. Find out which new treatments offer hope.
Peripheral artery disease is a common circulation problem affecting the arteries carrying blood to your limbs. Painful in itself, it could signal larger circulatory problems.
Peritonitis is an infection of the membrane that lines your inner abdominal wall and covers the organs within your abdomen (peritoneum).
Placenta previa is a pregnancy complication that can cause excessive bleeding before or during delivery. Treatment may include bed rest or a C-section birth.
Pleurisy is the painful inflammation of the membranes that surround your lungs. The cause can be one of a number of underlying conditions.
Polymyalgia rheumatica is an inflammatory disorder that causes pain and stiffness in the neck, shoulders, upper arms, hips and thighs.
Precocious puberty is a rare condition in which the physical signs of puberty begin to develop too early in children.
Priapism is a prolonged and usually painful erection. Prompt evaluation is necessary to prevent damage to the penis.
Prostate cancer is a common cancer affecting men. But with early detection, you improve your chances of successful treatment.
Pulmonary embolism occurs when one or more arteries in your lungs become blocked. Surgery, cancer, family history and long airplane trips may place you at risk.
Comprehensive overview covers symptoms, treatment of this uncommon digestive condition in infants.
Retinal detachment is a medical emergency. Without prompt treatment, this condition can lead to permanent loss of vision.
Retinoblastoma is a cancerous tumor of the eye that generally affects young children. If retinoblastoma is detected early, a cure is possible.
A rotator cuff injury is a painful shoulder condition often caused by lifting, falling or repetitive motions. Explore treatments including exercise therapy, medications and surgery.
A sacral dimple is an indentation in the skin on the lower back — usually just above the crease between the buttocks.
Sacroiliitis is one cause of low back pain and discomfort. It's an inflammation of the sacroiliac joints, which connect the lower spine and pelvis.
Secondary hypertension is a type of high blood pressure that's caused by another medical condition. Prompt treatment is often necessary to avoid complications.
Solitary rectal ulcer syndrome, a rare condition, may be caused by chronic constipation. Dietary changes may help mild cases.
Takayasu's arteritis is an uncommon form of vasculitis that affects the large arteries.
Thrombophlebitis occurs when a blood clot and swelling develop in a vein, typically in your leg. The cause often is prolonged inactivity or bed rest.
For people diagnosed with the most common forms of thyroid cancer, the prognosis is usually excellent.
Most thyroid nodules — lumps in the thyroid gland — cause no problems. But nodules that affect swallowing, produce excess thyroid hormone or are malignant require treatment.
Toxic hepatitis is liver damage that occurs when your liver isn't able to break down certain toxins — including common pain relievers such as Tylenol.
Toxoplasmosis is an infection caused by a parasite. It doesn't make most people ill, but infants and people with HIV/AIDS are at risk of complications.
A heart with tricuspid atresia doesn't have a tricuspid valve. This heart defect prevents blood flow from the right atrium to the right ventricle.
Undescended testicle is a testicle that hasn't moved into its proper position in the scrotum prior to birth. The condition often corrects itself.
Uterine fibroids are noncancerous tumors of the uterus. Medical therapy and surgical procedures can shrink or remove uterine fibroids.
Varicose veins are enlarged veins commonly found close to your skin's surface. Self-help measures can prevent them from getting worse; removing them is an option.
Water on the knee refers to excess fluid inside or around your knee joint. Find out what causes this common knee problem.
In Zollinger-Ellison syndrome, tumors in the pancreas or duodenum secrete a hormone called gastrin that leads to excessive stomach acid and ulcers.
Jan. 24, 2015
- Adam A, et al. Grainger & Allison's Diagnostic Radiology: A Textbook of Medical Imaging. 6th ed. Philadelphia, Pa.: Churchill Livingstone Elsevier; 2015. https://www.clinicalkey.com. Accessed Dec. 4, 2014.
- Ultrasound: What is general ultrasound imaging? RadiologyInfo.org. http://www.radiologyinfo.org/en/info.cfm?pg=genus. Accessed Dec. 4, 2014.