Conditions

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Discovering that you have a BRCA1 or BRCA2 genetic mutation can be a difficult time filled with uncertainty. It’s important to receive the right support from experts in genetics, which is why Northwell Health physicians will refer you to our Cancer Genetic Counseling Division...


Back pain is one of the most common conditions people suffer from, with nearly 9 out of 10 adults experiencing it at some point in their lives. Treatment varies case-by-case depending on the type of pain, duration, and cause...


Bacterial endocarditis is a rare but serious infection in the heart and/or valves. While this infection usually is associated with certain types of congenital heart defects, it also can occur in structurally normal hearts.


Meningitis is an infection of the membranes that cover the brain and spinal cord. Although rare, the bacterial type of meningitis is very serious and can cause brain damage, hearing loss, learning disabilities or even death...


Barrett's esophagus is a condition in which normal cells that line the esophagus, called squamous cells, turn into specialized columnar cells, a rare cell type...


There are many types of migraine headaches, one of which is Basilar Artery Migraine. This is a migraine which starts with an aura and is felt on both sides of the back of head...


Basilar artery syndrome causes a particular type of migraine, in which there is a disturbance in the brainstem or the lower part of the brain. This uncommon type of migraine headache usually starts with experiencing an “aura” with symptoms that include dizziness, double vision and a lack of coordination...


Bed sores (also known as pressure sores or decubitus ulcers) can occur when a person is bedridden, unconscious, unable to sense pain or immobile. Bed sores are ulcers that occur on areas of the skin that are under pressure from lying in bed, sitting in a wheelchair and/or wearing a cast for a prolonged period of time...


Bell's palsy is a disorder that arises suddenly, often within 72 hours, and hinders a person’s ability to control their facial muscles, resulting in paralysis of one or both sides of the face...


A benign brain tumor is a group of cells that don’t follow normal patterns of cell division; they develop into a mass of cells that do not have the characteristic appearance of a cancer...


A benign prostatic hypertrophy (BPH) is the non cancerous enlargement of the prostate. The prostate gland surrounds the urethra in males and produces a fluid that is used in the body’s creation of semen...


Benign skin growths are essentially a mass of cells that appear as a growth on the skin and come in a wide variety of forms. Alterations in the normal genetic growth and function of the skin also present in other ways such as discoloration or skin pigmentation disorders...


Bicep tendonitis is inflammation of the bicep tendon. A tough band of fibrous tissue, the bicep tendon connects the bicep muscle in the front of your upper arm to the top of your shoulder socket (glenoid)...


Bicuspid aortic valve refers to aortic valves that have only two leaflets, or flaps. Over time, the valve can become stenotic, resulting in varying degrees of obstruction across the valve.


Next to gallstones, cancer is the most common cause of bile duct obstruction. The majority of bile duct cancers develop in the part of the ducts that are outside the liver and are sometimes referred to as extrahepatic tumors...


Biliary cirrhosis is a rare form of liver cirrhosis caused by disease or defects of the bile ducts. Symptoms usually include cholestasis (accumulation of bile in the liver)...


Bipolar disorder, formally known as manic depression, is classified as a type of affective disorder or mood disorder that goes beyond ordinary ups and downs...


Birth defects and malformations of the brain include neurofibromatosis type 1, tuberous sclerosis and Sturge-weber syndrome. Such defects, malformations and abnormalities of the brain or skull can be mild or severe and may affect brain growth.


Most spider bites produce only minor symptoms like localized itching and swelling. However, black widow spider bites are more serious and can cause a variety of painful symptoms that require treatment...


Bladder cancer usually originates in the bladder lining, which consists of a layer of surface cells (transitional epithelial cells), smooth muscle and a fibrous layer...


Bladder frequency and urgency, commonly known as overactive bladder, is a condition characterized by the frequent need to urinate, urinary urgency, urge incontinence, bladder pressure or difficulty holding back a full bladder...


Pelvic or bladder pain is a common complaint among women. Its nature and intensity may fluctuate. In some cases, no disease is evident. The pain can be categorized as either acute, meaning the pain is sudden and severe, or chronic, lasting over a period of months or longer...


Bleeding gums is a common symptom of the periodontal diseases, or gum diseases, such as gingivitis and periodontitis. Periodontal disease is a serious bacterial infection that destroys the gums and the surrounding tissues of the mouth...


Blepharitis is an inflammation of the eyelash follicles along the edges of the eyelids. This is usually a persistent, recurring problem for children that starts early in childhood and may last throughout the one’s life...


Blepharospasm is a neurological disorder causing a loss of control of the muscles around the eye resulting in a twitch or spasm or an involuntary extended closure of the eyelid longer than the typical blink, sometimes lasting minutes or hours...


A blister is a bubble on the skin containing fluid. Blisters are usually circular in shape. The fluid that forms underneath the skin can be bloody or clear...


In most cases, cancer spreads to the bones from another part of the body. Primary bone cancer is different because it starts in the bones. Some bone tumors are benign (non-cancerous), though they can still weaken the bone if they grow and may require treatment...


Once it develops, cancer can metastasize (spread) anywhere in the body, with bones being a common destination. Bone metastases (or bone mets) are most often found in the spine, followed by the hip bone (pelvis), upper leg bone (femur), upper arm bone (humerus), ribs and the skull...


Bone tumors consist of a mass formed within a bone or on the surface of a bone. Amass can be either benign or cancerous, depending upon what it consists of and how the tumor is formed...


Bony exostoses of the ear canal, although technically not a tumor, is another type of growth that may cause ear canal problems and loss of hearing. Exostoses are found in cold water swimmers and are common in active scuba divers...


Botulinum toxin is a poisonous substance produced by a type of bacteria that occurs naturally in soil. The toxin can cause botulism, a rare but serious infection that affects the nervous system (brain, spinal cord and nerves)...


Brachial neuritis (BN) is a fairly rare inflammation of the network of nerves running from the cervical spine (neck) to the top of the thoracic spine (back) and into the axilla (armpit) and arms...


A brachial plexus injury, or lesion, is any damage made to the network of nerves running from the cervical spine (neck) to the top of the thoracic spine (back) into the axilla (armpit) and arms...


Brain cancer is a disease of the brain whereby malignant cells multiply abnormally in the brain tissue. These cells grow into a mass of cancerous tissue (also called a tumor) that interferes with different brain functions, including memory, sensation and muscle control, as well as normal body functions...


Brain stem glioma is a type of tumor that involves the central nervous system?"the brain and spinal cord. Brain stem gliomas begin when healthy brain cells change, growing uncontrollably and forming a tumor...


A brain or spinal cord tumor is an abnormal growth of tissue within or around the brain.


A brain tumor is an abnormal growth of tissue in the brain. The tumor can either originate in the brain itself (primary brain tumor), or come from another part of the body and travel to the brain (metastatic or secondary tumor)...


Breast cancer is a type of cancer that begins in the tissues of the breast. Besides skin cancers, breast cancer is the most frequently diagnosed cancer in women...


Bronchiectasis is a condition in which the airways of the lungs begin to swell. It is often caused by irritation of the airways that keeps coming back. Sometimes it begins in childhood after having a severe lung infection or inhaling a foreign object.


Bruxism is the term that refers to an incessant grinding and clenching of the teeth, unintentionally, and at inappropriate times. Bruxers (persons with bruxism) are often unaware that they have developed this habit, and often do not know that treatment is available until damage to the mouth and teeth has been done...


Bulimia nervosa, usually referred to as bulimia, is defined as uncontrolled episodes of overeating (bingeing) and usually followed by purging (self-induced vomiting), misuse of laxatives, enemas or medications that cause increased production of urine, fasting, or excessive exercise to control weight...


A bunion is a protrusion of bone or tissue around a joint. Bunions may occur at the base of the great toe or at the base of the little toe, and often occur when the joint is stressed over a period of time...


Burns are a type of traumatic injury caused by thermal, electrical, chemical or electromagnetic energy. Smoking and open flames are the leading causes of burn injury for older adults, while scalding is the leading cause of burn injury for children...


Bursitis of the knee occurs when fluid fills up the knee, causing the kneecap to become reddened, painful and swollen. In the body, small sacks of fluid called bursae are found around joints to protect and stabilize these important areas...