Encyclopedia Home >Diseases & Conditions (A-Z)
LabyrinthitisLiver spots
Lack of intrinsic factorLobar intracerebral hemorrhage
Lacrimal gland tumorLobular capillary hemangioma
Lactase deficiencyLobular GN
Lactic acidosisLocalized lymphadenopathy
Lactose intoleranceLockjaw
Laennec's cirrhosisLoeffler syndrome
Lambert-Eaton SyndromeLou Gehrig's disease
Lamellar ichthyosisLouis-Bar syndrome
Lancefield group B streptococcusLow blood magnesium
Landouzy-Dejerine muscular dystrophyLow blood phosphate
Landry-Guillain-Barre syndromeLow blood potassium
Langerhans cell histiocytosisLow blood pressure
Language disorder - expressiveLow blood sugar
Larva migrans visceralisLow density lipoprotein receptor mutation
Laryngeal cancerLow-grade chronic hyperbilirubinemia
Laryngeal nerve damageLower esophageal ring (Schatzki)
LaryngitisLower urinary tract obstruction
Laryngotracheobronchitis - acuteLoxia
Late persistent Lyme diseaseLucey-Driscol syndrome
Late syphilisLudwig’s angina
Lateral epicondylitisLues
Lateral rectus palsyLumbar radiculopathy
Latrogenic Cushing syndromeLump in the rectum
Laxative colitisLumps in the breasts
Lazy eyeLumpy jaw
LeFort injuriesLung blood clot
Left-sided heart failureLung cancer
Legg-Calve-Perthes diseaseLung cancer - non-small cell
Legionella pneumoniaLung cancer - small cell
Legionnaire's diseaseLung collapse - spontaneous
LeiomyomaLung disease
Leiomyoma - intestineLung disease - rheumatoid arthritis
LeiomyosarcomaLung metastases
LeishmaniasisLung water
Lemming feverLung/pulmonary congestion
Lens opacityLupoid hepatitis
Leopard syndromeLupus
LeprosyLupus anticoagulants
LeptospirosisLupus erythematosus
Lesch-Nyhan syndromeLupus glomerular disease
Letterer-Siwe diseaseLupus nephritis
LeukemiaLuteal phase defect
Leukemia - acute childhood (ALL)Lyell's syndrome
Leukemia - acute granulocyticLyme borreliosis
Leukemia - acute myeloid (AML)Lyme disease
Leukemia - chronic granulocytic (CML)Lyme disease - chronic persistent
Leukemia - chronic lymphocytic (CLL)Lyme disease - early disseminated
Leukemia - hairy cellLyme disease - primary
Leukemia - nonlymphocytic (ANLL)Lyme disease - primary
Leukemic reticuloendotheliosisLyme disease - secondary or stage 2
Leukemoid reactionLymph gland infection
Leukodystrophy - metachromaticLymph node infection
LeukoplakiaLymphadenitis
Lewy body dementiaLymphadenoid goiter
Leydig cell tumorLymphadenopathy
LGVLymphangioma
Lice - bodyLymphangitis
Lice - headLymphatic obstruction
Lice - pubicLymphedema
Lichen planusLymphoblastic lymphoma
Lichen simplex chronicusLymphocytic lymphoma
Limb-girdle muscular dystrophiesLymphocytic thyroiditis
Lipid disordersLymphofollicular hyperplasia
LipofuscinosesLymphofollicular hypertrophy
Lipoid nephrosisLymphogranuloma inguinale
ListeriosisLymphogranuloma venereum
Little strokeLymphoid hyperplasia
Livedo reticularisLymphoid hypertrophy
Liver abscessLymphoma - brain
Liver cancerLymphoma - Hodgkin's
Liver cirrhosisLymphoma - mediastinal
Liver diseaseLymphoma - non-Hodgkin's
Liver disease due to alcoholLymphopathia venereum
Liver hemangiomaLymphoplasmacytic lymphoma
Liver metastases 
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