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Eaton-Lambert syndrome(LEMS)

MedGen UID:
6005
•Concept ID:
C0022972
•
Disease or Syndrome
Synonyms: Lambert-Eaton Myasthenic Syndrome; LEMS; Myasthenic syndrome of Lambert-Eaton; Myasthenic-Myopathic syndrome of Lambert-Eaton
SNOMED CT: Lambert-Eaton myasthenic syndrome (56989000); LEMS - Lambert-Eaton myasthenic syndrome (56989000); Eaton-Lambert syndrome (56989000); Myasthenic syndrome (56989000)
Modes of inheritance:
Not genetically inherited
MedGen UID:
988794
•Concept ID:
CN307044
•
Finding
Source: Orphanet
clinical entity without genetic inheritance.
See: This record
Not genetically inherited (Orphanet)
 
Monarch Initiative: MONDO:0018556
Orphanet: ORPHA43393

Definition

Lambert-Eaton myasthenic syndrome (LEMS) is an autoimmune, presynaptic disorder of neuromuscular transmission characterized by fluctuating muscle weakness and autonomic dysfunction frequently associated with small-cell lung cancer (SCLC). [from ORDO]

Term Hierarchy

CClinical test,  RResearch test,  OOMIM,  GGeneReviews,  VClinVar  
  • CROGVEaton-Lambert syndrome
Follow this link to review classifications for Eaton-Lambert syndrome in Orphanet.

Professional guidelines

PubMed

Foodborne Botulism: Clinical Diagnosis and Medical Treatment.
Lonati D, Schicchi A, Crevani M, Buscaglia E, Scaravaggi G, Maida F, Cirronis M, Petrolini VM, Locatelli CA
Toxins (Basel) 2020 Aug 7;12(8) doi: 10.3390/toxins12080509. PMID: 32784744Free PMC Article
Consensus statement: the use of intravenous immunoglobulin in the treatment of neuromuscular conditions report of the AANEM ad hoc committee.
Donofrio PD, Berger A, Brannagan TH 3rd, Bromberg MB, Howard JF, Latov N, Quick A, Tandan R
Muscle Nerve 2009 Nov;40(5):890-900. doi: 10.1002/mus.21433. PMID: 19768755
Pearls and pitfalls in the diagnosis and management of neuromuscular junction disorders.
Pascuzzi RM
Semin Neurol 2001 Dec;21(4):425-40. doi: 10.1055/s-2001-19414. PMID: 11774058

Recent clinical studies

Etiology

3,4-diaminopyridine base effectively treats the weakness of Lambert-Eaton myasthenia.
Sanders DB, Juel VC, Harati Y, Smith AG, Peltier AC, Marburger T, Lou JS, Pascuzzi RM, Richman DP, Xie T, Demmel V, Jacobus LR, Aleš KL, Jacobus DP; Dapper Study Team
Muscle Nerve 2018 Apr;57(4):561-568. Epub 2018 Feb 2 doi: 10.1002/mus.26052. PMID: 29280483Free PMC Article
Retrospective analysis of the treatment of patients with small cell lung cancer showing poor performance status.
Sakuragi T, Oshita F, Nagashima S, Kasai T, Kurata T, Fukuda M, Yamamoto N, Ohe Y, Tamura T, Eguchi K, Shinkai T, Saijo N
Jpn J Clin Oncol 1996 Jun;26(3):128-33. doi: 10.1093/oxfordjournals.jjco.a023195. PMID: 8656551
Neurologic disorders in patients with small cell lung cancer.
Sculier JP, Feld R, Evans WK, DeBoer G, Shepherd FA, Payne DG, Pringle JF, Yeoh JL, Quirt IC, Curtis JE
Cancer 1987 Nov 1;60(9):2275-83. doi: 10.1002/1097-0142(19871101)60:9<2275::aid-cncr2820600929>3.0.co;2-3. PMID: 2830955
Eaton-Lambert syndrome and small cell lung cancer: side effects and certainty.
Eckman MH, Robert NJ, Parkinson DR, Latzko G, Pauker SG
Med Decis Making 1986 Jul-Sep;6(3):174-86. doi: 10.1177/0272989X8600600308. PMID: 3016451
Edrophonium test in Eaton-Lambert syndrome: quantitative oculography.
Dell'Osso LF, Ayyar DR, Daroff RB, Abel LA
Neurology 1983 Sep;33(9):1157-63. doi: 10.1212/wnl.33.9.1157. PMID: 6684251

Diagnosis

Foodborne Botulism: Clinical Diagnosis and Medical Treatment.
Lonati D, Schicchi A, Crevani M, Buscaglia E, Scaravaggi G, Maida F, Cirronis M, Petrolini VM, Locatelli CA
Toxins (Basel) 2020 Aug 7;12(8) doi: 10.3390/toxins12080509. PMID: 32784744Free PMC Article
Eaton-Lambert syndrome.
N Y State J Med 1991 Jan;91(1):8-14. PMID: 1847235
The Eaton-Lambert syndrome.
Sandyk R
S Afr Med J 1983 Feb 26;63(9):323-5. PMID: 6298957
The Eaton--Lambert syndrome.
Wadia RS, Patki SA, Kazi SS, Gulawani AV, Grant KB
Neurol India 1977 Sep;25(3):184-8. PMID: 613264
The Eaton-Lambert syndrome and autoimmune disorders.
Gutmann L, Crosby TW, Takamori M, Martin JD
Am J Med 1972 Sep;53(3):354-6. doi: 10.1016/0002-9343(72)90179-9. PMID: 4115499

Therapy

3,4-diaminopyridine base effectively treats the weakness of Lambert-Eaton myasthenia.
Sanders DB, Juel VC, Harati Y, Smith AG, Peltier AC, Marburger T, Lou JS, Pascuzzi RM, Richman DP, Xie T, Demmel V, Jacobus LR, Aleš KL, Jacobus DP; Dapper Study Team
Muscle Nerve 2018 Apr;57(4):561-568. Epub 2018 Feb 2 doi: 10.1002/mus.26052. PMID: 29280483Free PMC Article
Plasmapheresis and immunosuppressive drug therapy in the Eaton-Lambert syndrome.
Dau PC, Denys EH
Ann Neurol 1982 Jun;11(6):570-5. doi: 10.1002/ana.410110604. PMID: 7114807
4-aminopyridine-a review.
Soni N, Kam P
Anaesth Intensive Care 1982 May;10(2):120-6. doi: 10.1177/0310057X8201000205. PMID: 6285756
Guanidine and germine in Eaton-Lambert syndrome.
Cherington M
Neurology 1976 Oct;26(10):944-6. doi: 10.1212/wnl.26.10.944. PMID: 986585
Caffeine, calcium, and Eaton-Lambert syndrome.
Takamori M
Arch Neurol 1972 Oct;27(4):285-91. doi: 10.1001/archneur.1972.00490160013002. PMID: 4341305

Prognosis

False positive acetylcholine receptor antibodies in a case of unilateral chronic progressive external ophthalmoplegia: case report and review of literature.
Rajput R, Sachdev A, Din N, Damato EM, Murray A
Orbit 2018 Oct;37(5):385-388. Epub 2018 Jan 15 doi: 10.1080/01676830.2017.1423350. PMID: 29333908
End-plate dysfunction in acute organophosphate intoxication.
Besser R, Gutmann L, Dillmann U, Weilemann LS, Hopf HC
Neurology 1989 Apr;39(4):561-7. doi: 10.1212/wnl.39.4.561. PMID: 2927681
Myasthenic syndrome (Eaton-Lambert syndrome) associated with pulmonary adenocarcinoma.
Ramos-Yeo YL, Reyes CV
J Surg Oncol 1987 Apr;34(4):239-42. doi: 10.1002/jso.2930340405. PMID: 3031377
Clinical and subclinical oculomotor findings in the Eaton-Lambert syndrome.
Cruciger MP, Brown B, Denys EH, Magoon E, Wasson PJ, Newman NM, Scott AB
J Clin Neuroophthalmol 1983 Mar;3(1):19-22. PMID: 6222072
Neuromuscular transmission in thyrotoxicosis.
Puvanendran K, Cheah JS, Naganathan N, Yeo PP, Wong PK
J Neurol Sci 1979 Sep;43(1):47-57. doi: 10.1016/0022-510x(79)90072-8. PMID: 230318

Clinical prediction guides

False positive acetylcholine receptor antibodies in a case of unilateral chronic progressive external ophthalmoplegia: case report and review of literature.
Rajput R, Sachdev A, Din N, Damato EM, Murray A
Orbit 2018 Oct;37(5):385-388. Epub 2018 Jan 15 doi: 10.1080/01676830.2017.1423350. PMID: 29333908
Epidural analgesia in Eaton-Lambert myasthenic syndrome. Effects on respiratory function.
Sakura S, Saito Y, Maeda M, Kosaka Y
Anaesthesia 1991 Jul;46(7):560-2. doi: 10.1111/j.1365-2044.1991.tb09656.x. PMID: 1862896
Small cell carcinoma of prostate associated with myasthenic (Eaton-Lambert) syndrome.
Têtu B, Ro JY, Ayala AG, Ordóñez NG, Logothetis CJ, von Eschenbach AC
Urology 1989 Feb;33(2):148-52. doi: 10.1016/0090-4295(89)90017-4. PMID: 2536972
The Eaton-Lambert syndrome.
Sandyk R
S Afr Med J 1983 Feb 26;63(9):323-5. PMID: 6298957
Autoimmune aetiology for myasthenic (Eaton-Lambert) syndrome.
Lang B, Newsom-Davis J, Wray D, Vincent A, Murray N
Lancet 1981 Aug 1;2(8240):224-6. doi: 10.1016/s0140-6736(81)90474-8. PMID: 6114283

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