Conditions

Search or browse all conditions   |   See all conditions A-Z

The labrum is a piece of cartilage within your shoulder socket. It plays a large role in supporting the ball and socket joint as well as various tendons and muscles, including the rotator cuff...


A laceration is a tear or opening in the skin that’s caused by an injury. Emergency medical care may be necessary if a laceration is severe. Lacerations that involve the face, are longer than 1/2 inch, are deep, or are bleeding heavily, may require stitches...


Lactose intolerance is a condition caused by a lack of an enzyme called lactase, which, in turn, causes the body to be unable to digest lactose, a sugar found in milk and milk products...


Laryngeal cancer occurs when cancer cells form in the tissues of the larynx (voice box), which is located right below the throat. People don’t usually undergo routine screenings for laryngeal cancer as they would for other cancers...


Lead is a naturally occurring metal that has been spread through the environment in many ways. Lead used to be in paint and gasoline and can still be found in contaminated soil, household dust, drinking water, lead-glazed pottery and some metal jewelry...


Leukemia is cancer of the blood cells ?" usually the white blood cells. Leukemic cells look different than normal cells and do not function properly. Because different types of leukemia cells behave differently, they require different types of treatment...


A limb deformity is characterized by any unnatural form, distortion or irregularity of an arm or leg.


Tumors are abnormal masses of tissue that form when cells begin to reproduce at an increased rate. Both noncancerous (benign) and cancerous (malignant) tumors can develop in the liver...


The National Institutes of Health (NIH) reports that back pain affects eight out of 10 people at one time or another. You may have acute back pain that comes on suddenly and is gone in a few days or a few weeks...


A lumbar herniated disc is a ruptured disc in the lower back. Discs are the shock-absorbing cushions between vertebrae that prevent the vertebrae from rubbing against one another...


Spinal stenosis is a narrowing of the spinal canal and occurs most often in people over 50 years of age. As the canal narrows, it puts pressure on the spinal cord and nerves in the canal, causing pain and other symptoms...


Lumbar strain is an injury to the lower back that results in damaged tendons and muscle spasms. One of the most common causes of low back pain, lumbar strain is brought on by the stretching or tearing of the large muscles in your lower back...


Lung cancer is cancer that usually starts in the lining of the bronchi (the main airways of the lungs), but can also begin in other areas of the respiratory system, including the trachea, bronchioles or alveoli.


Lung nodules are small masses of tissue in the lung that appear as spots on an X-ray or CT scan of the chest that may or may not be cancer-causing. With the increase in the use of CT scans, lung nodules are being found with increasing regularity, though people with solitary lung nodules do not usually experience symptoms.


Systemic lupus erythematosus, also known as SLE, or simply lupus, is a disease that is characterized by periodic episodes of inflammation of and damage to the joints, tendons, other connective tissues, and organs, including the heart, lungs, blood vessels, brain, kidneys, and skin...


Lyme disease (LD) is a multistage, multisystem bacterial infection caused by the spirochete Borrelia burgdorferi, a spiral shaped bacterium that is most commonly transmitted by a tick bite...


Lymph node enlargement (lymphadenopathy) in the chest is a frequent finding on X-rays and CT scans. There are many reasons for the enlarged nodes that often depend on the patient's history. Some infections and inflammatory conditions such as sarcoidosis can cause the nodes to be enlarged.


Lymphatic malformations, also known as cystic hygromas or lymphangiomas, represent a region of slow flow of lymphatic fluid in a lymphatic channel, resulting in an expanding mass containing lymph...


Lymphoma is a cancer of the lymph system, a part of the immune system. There are many types of lymphoma. One is Hodgkin lymphoma and the rest are called non-Hodgkin lymphomas...


Because Lynch syndrome is linked to such a wide variety of cancers, it is important to have access to a range of specialists. The Northwell Health Cancer Institute can offer care from expert teams who specialize in gynecologic cancers, gastrointestinal cancers and much more...