Lacrimal gland tumor Lactic acidosis Lamellar ichthyosis Larva migrans visceralis Laryngeal nerve damage Laryngitis Late syphilis Legionella pneumonia Leiomyosarcoma Leopard syndrome Lesch-Nyhan syndrome Leukemia Leukemoid reaction Leydig cell tumor LGV Lichen planus Lichen simplex chronicus Limb-girdle muscular dystrophies Listeriosis Little stroke Liver disease Liver metastases Lobular capillary hemangioma Localized lymphadenopathy Lockjaw Loeffler syndrome Loxia Lucey-Driscol syndrome Ludwigs angina Lues Lumps in the breasts Lung collapse - spontaneous Lung disease Lung disease - rheumatoid arthritis Lung metastases Lung water Lupus anticoagulants Lupus glomerular disease Lyme disease - early disseminated Lymph follicular hypertrophy Lymphangitis Lymphatic obstruction Lymphocytic thyroiditis Lymphoid hyperplasia Lymphoma - mediastinal Lymphoplasmacytic lymphoma