LA
- Lateral epicondylitis (See: Tennis elbow)
- Lazy eye (See: Amblyopia)
LE
- Left ventricular hypertrophy
- Leg Fracture
- Legg-Calve-Perthes disease
- Legionnaire’s disease
- Leiomyoma (See: Uterine myoma)
- Leiomyosarcoma
- Leukemia
- Leukemia, acute lymphocytic (See: Acute lymphocytic leukemia)
- Leukemia, acute myelogenous (See: Acute myelogenous leukemia)
- Leukemia, chronic lymphocytic (See: Chronic lymphocytic leukemia)
- Leukemia, chronic myelogenous (See: Chronic myelogenous leukemia)
- Leukemia, general (See: Leukemia)
- Leukoplakia
- Lewy body dementia
LI
- Lichen Planus
- Lichen sclerosus
- Lipoma
- Liposarcoma
- Liver cirrhosis (See: Cirrhosis of the liver )
- Liver failure, acute (See: Acute liver failure)
- Liver spots (See: Age spots)
LO
- Lobular carcinoma in situ (LCIS)
- Long QT Syndrome (LQTS)
- Low-pressure headache (See: Spinal headaches)
LY
- Lymphedema
- Lymphocytic Leukemia, Acute (See: Acute lymphocytic leukemia)
- Lymphoma
- Lymphoma; Cancer (See: Hodgkin's lymphoma)
