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Each bubble is a syndrome; size reflects symptom count and links connect syndromes that share symptoms. Filter by specialty and tune the overlap threshold.
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All syndromes
931
Oncology
Leser–Trélat syndrome
Sudden eruption of seborrheic keratoses with internal malignancy.
Hematology Leukocyte adhesion deficiency syndrome
Defective leukocyte adhesion with recurrent infections and delayed cord separation.
Neurology Lhermitte–Duclos syndrome
Cerebellar hamartoma associated with Cowden syndrome.
Endocrinology Li–Fraumeni syndrome
Hereditary cancer predisposition including adrenocortical carcinoma.
Cardiology Liddle syndrome
Autosomal dominant hypertension with hypokalemia and low renin and aldosterone.
Orthopedics Little League shoulder syndrome
Proximal humeral physeal stress injury in young throwers.
Neurology Locked-in syndrome
Preserved awareness with quadriplegia.
Pulmonology Loeffler syndrome
Transient pulmonary infiltrates with peripheral eosinophilia.
Cardiology Loeys–Dietz syndrome
Aggressive aortic aneurysm syndrome with arterial tortuosity, hypertelorism and bifid uvula.
Neurology Löfgren syndrome with neurological involvement
Acute sarcoidosis presentation.
Neurology Long COVID neurological syndrome
Persistent neurologic symptoms after COVID-19.
Cardiology Long QT syndrome
Inherited channelopathy with prolonged ventricular repolarization (long QT interval) predisposing to torsades de pointes.
Nephrology Lowe syndrome
X-linked disorder with congenital cataracts, intellectual disability and renal Fanconi syndrome.
Cardiology Lown–Ganong–Levine syndrome
Short PR interval with normal QRS and paroxysmal supraventricular tachycardia (an outdated entity).
Immunology LRBA deficiency syndrome
Immune dysregulation with CTLA4 deficiency.
Gastroenterology Lucey–Driscoll syndrome
Transient severe neonatal jaundice from a maternal serum inhibitor.
Genetics Lujan–Fryns syndrome
X-linked intellectual disability with marfanoid habitus.
Cardiology Lutembacher syndrome
Combination of atrial septal defect and mitral stenosis.
Hematology Lymphedema–distichiasis syndrome
Late-onset lymphedema with extra eyelashes.
Gastroenterology Lynch syndrome
Hereditary mismatch repair deficiency with colorectal, endometrial and other cancers.
Hematology Macrophage activation syndrome
HLH-like complication of rheumatic disease, especially systemic juvenile idiopathic arthritis.
Dermatology Maffucci syndrome
Multiple enchondromas with spindle cell hemangiomas.
Rheumatology Majeed syndrome
Autoinflammatory bone disease with anemia and dermatosis.
ENT Mal de debarquement syndrome
Persistent rocking sensation after sea travel.