This is a list of diseases starting with the letter "L".

La

Lab–Lam Labrador lung Labyrinthitis Lachiewicz–Sibley syndrome Lacrimo-auriculo-dento-digital syndrome Lactate dehydrogenase deficiency type A Lactate dehydrogenase deficiency type B Lactate dehydrogenase deficiency type C Lactate dehydrogenase deficiency Lactic acidosis congenital infantile Lactose intolerance Ladda–Zonana–Ramer syndrome Lafora disease Lagophthalmia cleft lip palate Lambdoid synostosis familial Lambert syndrome Lambert–Eaton myasthenic syndrome (Lambert–Eaton paraneoplastic cerebellar degeneration) Lambert–Eaton syndrome Lamellar ichthyosis Lamellar recessive ichthyosis

Lan–Lap Landau–Kleffner syndrome Landouzy–Dejerine muscular dystrophy Landy–Donnai syndrome Langdon Down Langer–Nishino–Yamaguchi syndrome Langer–Giedion syndrome Langerhans cell granulomatosis Langerhans cell histiocytosis Laparoschisis Laplane–Fontaine–Lagardere syndrome

Lar–Lat Large B-cell diffuse lymphoma Laron-type dwarfism Larsen-like osseous dysplasia dwarfism Larsen-like syndrome lethal type Larsen syndrome craniosynostosis Larsen syndrome, dominant type Larsen syndrome, recessive type Larsen syndrome Laryngeal abductor paralysis mental retardation Laryngeal carcinoma Laryngeal cleft Laryngeal neoplasm Laryngeal papillomatosis Laryngeal web congenital heart disease short stature Laryngitis Laryngocele Laryngomalacia dominant congenital Laryngomalacia Larynx atresia Lassa fever Lassueur–Graham–Little syndrome Late onset dominant cone dystrophy Lateral body wall defect Laterality defects dominant Lattice corneal dystrophy type 2

Lau–Lax Launois–Bensaude adenolipomatosis Laurence–Prosser–Rocker syndrome Laurence–Moon–Bardet–Biedl syndrome Laurin–Sandrow syndrome Laxova–Brown–Hogan syndrome

Lb–Lc LBWC - amniotic bands LBWD syndrome LCHAD deficiency

Le

Lea–Leh Lead poisoning Leao Ribeiro Da Silva syndrome Learman syndrome Leber military aneurysm Leber optic atrophy Leber's disease Lecithin cholesterol acyltransferase deficiency Ledderhose disease Lee–Root–Fenske syndrome Left ventricle-aorta tunnel Left ventricular hypertrophy Leg absence deformity cataract Legg–Calvé–Perthes syndrome Legionellosis (Legionnaires' disease) Lehman syndrome

Lei–Ler Leichtman–Wood–Rohn syndrome Leifer–Lai–Buyse syndrome Leigh disease Leigh syndrome, French Canadian type Leiner disease Leiomyoma Leiomyomatosis familial Leiomyomatosis of oesophagus cataract hematuria Leiomyosarcoma Leipala–Kaitila syndrome Leishmaniasis Leisti–Hollister–Rimoin syndrome Lemierre's syndrome Lennox–Gastaut syndrome Lentiginosis in context of NF Lenz–Majewski hyperostotic dwarfism Lenz microphthalmia syndrome Leprechaunism Leprosy Leptomeningeal capillary - venous angiomatosis Leptospirosis Leri pleonosteosis Léri–Weill dyschondrosteosis

Les–Let Lesch–Nyhan syndrome Lethal chondrodysplasia Moerman type Lethal chondrodysplasia Seller type Lethal congenital contracture syndrome Letterer–Siwe disease

Leu–Lev Leucinosis Leukemia subleukemic Leukemia, B-Cell, chronic Leukemia, Myeloid Leukemia, T-Cell, chronic Leukemia Leukocyte adhesion deficiency syndrome Leukocyte adhesion deficiency type 2 Leukocytoclastic angiitis Leukodystrophy reunion type Leukodystrophy, globoid cell Leukodystrophy, metachromatic Leukodystrophy, pseudometachromatic Leukodystrophy, Sudanophilic Leukodystrophy Leukoencephalopathy palmoplantar keratoderma Leukomalacia Leukomelanoderma mental retardation hypotrichosis Leukoplakia Levator syndrome Levic–Stefanovic–Nikolic syndrome Levine–Crichley syndrome

Lew–Ley Lewandowski–Kikolich syndrome Lewis–Pashayan syndrome Leydig cells hypoplasia

Lg–Lh LGCR LGS Lhermitte–Duclos disease

Li

Lic–Lin Lichen myxedematosus Lichen planus follicularis Lichen planus Lichen sclerosus et atrophicus Lichen spinulosus Lichstenstein syndrome Lida–Kannari syndrome Liddle syndrome Li–Fraumeni syndrome Light chain disease Ligyrophobia Limb deficiencies distal micrognathia Limb dystonia Limb reduction defect Limb scalp and skull defects Limb transversal defect cardiac anomaly Limb-body wall complex Limb-girdle muscular dystrophy Lindsay–Burn syndrome Lindstrom syndrome Linear hamartoma syndrome Linear nevus syndrome

Lip–Lis Lip lit syndrome Lipedema Lipid storage myopathy Lipidosis with triglyceride storage disease Lipoamide dehydrogenase deficiency Lipodystrophy Rieger anomaly diabetes Lipodystrophy Lipogranulomatosis Lipoid congenital adrenal hyperplasia Lipoid proteinosis of Urbach and Wiethe Lipomatosis central non-encapsulated Lipomatosis familial benign cervical Lipomucopolysaccharidosis Lipoprotein disorder Liposarcoma Lisker–Garcia–Ramos syndrome Lison–Kornbrut–Feinstein syndrome Lissencephaly immunodeficiency Lissencephaly syndrome type 1 Lissencephaly syndrome type 2 Lissencephaly, isolated Lissencephaly Listeria infection Listeriosis

Lit–Liv Livedoid dermatitis Liver cirrhosis Liver disease Liver neoplasms (liver cancer)

Lo

Lob–Lou Lobar atrophy of brain Lobster hand Lobstein disease Localized epiphyseal dysplasia Locked-in syndrome Lockwood–Feingold syndrome Loffredo–Cennamo–Cecio syndrome Logic syndrome Loiasis Loin pain hematuria syndrome Long COVID Long QT Syndrome Long QT syndrome type 1 Long QT syndrome type 2 Long QT syndrome type 3 Loose anagen hair syndrome Loose anagen syndrome Lopes–Gorlin syndrome Lopes–Marques de Faria syndrome Lopez–Hernandez syndrome Lou Gehrig's disease Louis–Bar syndrome

Low Low birth weight dwarfism dysgammaglobulinemia Lowe–Kohn–Cohen syndrome Lowe oculocerebrorenal syndrome Lowe syndrome Lower limb anomaly ureteral obstruction Lower limb deficiency hypospadias Lower mesodermal defects Lowry–MacLean syndrome Lowry syndrome Lowry–Wood syndrome Lowry–Yong syndrome

Ls–Lt LSA L-transposition and ccTGA

Lu Lubani Al Saleh Teebi syndrome Lubinsky syndrome Lucey–Driscoll syndrome Lucky–Gelehrter syndrome Ludomania Lúes Congénita Lujan–Fryns syndrome Lumbar malsegmentation short stature Lumbar spinal stenosis Lundberg syndrome Lung agenesis heart defect thumb anomalies Lung cancer Lung herniation congenital defect of sternem Lung neoplasm Lupus anticoagulant, familial Lupus erythematosus Lurie–Kletsky syndrome Luteinizing hormone releasing hormone, deficiency of with ataxia Lutz–Richner–Landolt syndrome Lutz–Lewandowsky epidermodysplasia verruciformis

Ly

Lye–Lyg Lyell's syndrome Lygophobia

Lym

Lyme Lyme disease

Lymp

Lymph Lymph node neoplasm

Lympha–Lymphe Lymphadenopathy, angioimmunoblastic with dysproteinemia Lymphangiectasies lymphoedema type Hennekam type Lymphangiectasis Lymphangioleiomyomatosis Lymphangiomatosis, pulmonary Lymphangiomyomatosis Lymphatic filariasis Lymphatic neoplasm Lymphedema distichiasis Lymphedema hereditary type 1 Lymphedema hereditary type 2 Lymphedema ptosis Lymphedema, congenital Lymphedema Lymphedema–distichiasis syndrome

Lympho Lymphoblastic lymphoma Lymphocytes reduced or absent Lymphocytic colitis Lymphocytic infiltrate of Jessner Lymphocytic vasculitis Lymphoid hamartoma Lymphoma, AIDS-related Lymphoma, gastric non-Hodgkin's type Lymphoma, large-cell, immunoblastic Lymphoma, large-cell Lymphoma, small cleaved-cell, diffuse Lymphoma, small cleaved-cell, follicular Lymphoma Lymphomatoid granulomatosis Lymphomatoid Papulosis (LyP) Lymphomatous thyroiditis Lymphosarcoma

Lyn–Lys Lynch–Lee–Murday syndrome Lynch–Bushby syndrome Lyngstadaas syndrome LyP (lymphomatoid papulosis) Lysine alpha-ketoglutarate reductase deficiency Lysinuric protein intolerance Lysosomal alpha-D-mannosidase deficiency Lysosomal beta-mannosidase deficiency Lysosomal glycogen storage disease with normal acid maltase activity Lysosomal storage disease

References