Castleman disease is a group of rare disorders that involves lymph nodes that get bigger, called enlarged lymph nodes, and a wide range of symptoms. The most common form of the disorder involves a single enlarged lymph node. This lymph node is usually in the chest or neck, but it can occur in other areas of the body as well. …

Angiosarcoma is a very rare cancerous tumor that starts in the inner lining of your blood vessels or lymphatic vessels. Because these tumors arise from vessels located throughout your body, you can develop angiosarcoma almost anywhere. That said, angiosarcoma usually affects the skin on your head, neck or breast (cutaneous angiosarcoma). Less often, it starts in organs like your heart (cardiac angiosarcoma), liver and spleen. Learning you have …

A broken ankle, or ankle fracture, is one of the most common causes of ankle pain. An ankle fracture happens when you break one or more bones in your ankle joint. Your ankle joint consists of your tibia, your fibula and your talus. Your tibia is the big bone in your lower leg and is sometimes called your shinbone. Your …

Ankylosing spondylitis is a type of arthritis that affects joints in your spine. Healthcare providers sometimes call it axial spondylarthritis. Ankylosing spondylitis (AS) also affects the joints where the base of your spine meets your pelvis (your sacroiliac joints). Your sacroiliac joints are the connection between your spine and pelvis. Specifically, they’re the place where the sacrum (the triangle-shaped last section of …

An eating disorder is a mental health condition that affects your relationship with food and how you see yourself (body image). Eating disorders affect your physical and emotional health and can be life-threatening. The symptoms of eating disorders look and feel different for each person and vary based on the type. You may count calories or limit how much and what types …

Anorexia (anorexia nervosa) is an eating disorder in which you restrict the number of calories you consume, resulting in a nutrient deficit and often — but not always — a very low body weight. People with anorexia also have an intense fear of gaining weight and a distorted body image. They often don’t recognize the seriousness of the condition. If you think frequently about food …

Anorgasmia is delayed, infrequent or absent orgasms — or significantly less-intense orgasms — after sexual arousal and adequate sexual stimulation. Women who have problems with orgasms and who feel significant distress about those problems may be diagnosed with anorgasmia. Among all women, the frequency and intensity of orgasms vary. Also, for any individual, orgasms can be different from one time …

Anterior vaginal prolapse, also known as a cystocele (SIS-toe-seel) or a prolapsed bladder, is when the bladder drops from its usual position in the pelvis and pushes on the wall of the vagina. The organs of the pelvis — including the bladder, uterus and intestines — are typically held in place by the muscles and connective tissues of the pelvic …