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Amyloidosis

最后审阅: 16 Feb 2026
最后更新: 03 Mar 2026

小结

定义

病史和体格检查

关键诊断因素

  • jugular venous distention
  • lower extremity edema
  • history of a chronic inflammatory condition, chronic infection, familial periodic fever syndrome
  • history of monoclonal gammopathy of undetermined significance (MGUS)
  • periorbital purpura
  • eyelid petechiae
  • macroglossia
完整详情

其他诊断因素

  • fatigue
  • unexplained weight loss
  • dyspnea on exertion
  • peripheral neuropathy
  • autonomic neuropathy
  • claudication
  • nausea or vomiting
  • abdominal cramps
  • alternating bowel habit
  • steatorrhea
  • lightheaded
  • submandibular salivary gland enlargement
  • hepatomegaly
  • shoulder pad sign
  • diffuse muscular weakness
  • orthostatic hypotension
  • carpal tunnel syndrome
  • musculoskeletal disorders
完整详情

危险因素

  • monoclonal gammopathy of undetermined significance (MGUS)
  • inflammatory polyarthropathy
  • chronic infections
  • inflammatory bowel disease
  • familial periodic fever syndromes
  • Castleman disease
完整详情

诊断性检查

首要检查

  • serum immunofixation electrophoresis
  • urine immunofixation electrophoresis (using 24-hour urine collection)
  • serum free light chain assay
  • CBC with differential
  • peripheral blood smear
  • serum quantitative immunoglobulins
  • serum protein electrophoresis
  • comprehensive metabolic profile
  • urine protein electrophoresis (using 24-hour urine collection)
  • 24-hour total urine protein
  • creatinine clearance
  • orthostatic vital sign assessment
  • tissue aspiration and biopsy
  • fluorescence in situ hybridization (FISH)
完整详情

需考虑的检查

  • mass spectrometry
  • immunohistochemical studies
  • immuno-electron microscopy
  • genetic testing
  • serum troponin T or I
  • N-terminal pro-B-type natriuretic peptide (NT‐proBNP)
  • lipid panel
  • coagulation studies
  • ECG
  • echocardiogram (with tissue Doppler and global longitudinal strain)
  • cardiac MRI (CMR)
  • cardiac scintigraphy
  • electromyogram/nerve conduction studies
  • endocrine tests
  • pulmonary function tests
  • computed tomography (CT) scan
  • fluorodeoxyglucose positron emission tomography (FDG-PET)/CT
  • skeletal survey
  • abdominal ultrasound
  • gastric emptying scan
  • upper and lower endoscopy
  • 123I-labeled serum amyloid P (SAP) scintigraphy
  • 6-minute walk test
完整详情

治疗流程

急症处理

immunoglobulin light chain (AL) amyloidosis

AA amyloidosis (nonfamilial)

familial periodic fever syndromes

transthyretin (TTR) amyloidosis

持续性治疗

refractory or relapsed AL amyloidosis

撰稿人

作者

Morie A. Gertz, MD, MACP
Morie A. Gertz

Seidler Jr. Professor of Medicine

Consultant in Hematology

Chair Emeritus of the Department of Medicine

Mayo Distinguished Clinician

Mayo Clinic College of Medicine

Rochester

MN

Declarações

MAG has received personal fees from AbbVie and Arcellx for a Data Safety Monitoring board, personal fees from Ionis/Akcea, Prothena, Sanofi, and Janssen, and fees from Johnson & Johnson. MAG has received honoraria from Alnylam, AstraZeneca, Medscape, Dava Oncology, and Alexion. MAG is an author of several references cited in this topic.

Revisores

Donna Reece, MD

Associate Professor of Medicine

Director

Program for Multiple Myeloma and Related Diseases

Princess Margaret Hospital

Toronto

Ontario

Canada

Declarações

DR has been reimbursed by Millennium Pharmaceuticals, Inc and Johnson & Johnson, the manufacturers of bortezomib, for attending several conferences, for speaking at educational meetings, and for consulting work. She has also been reimbursed by Celgene, the manufacturer of lenalidomide and thalidomide, for attending several symposia and serving as a speaker.

Jeffrey Zonder, MD

Assistant Professor of Medicine and Oncology

Division of Hematology/Oncology

Wayne State University School of Medicine

Barbara Ann Karmanos Cancer Institute

Detroit

MI

Declarações

JZ declares that he has no competing interests.

Créditos aos pareceristas

Os tópicos do BMJ Best Practice são constantemente atualizados, seguindo os desenvolvimentos das evidências e das diretrizes. Os pareceristas aqui listados revisaram o conteúdo pelo menos uma vez durante a história do tópico.

Declarações

As afiliações e declarações dos pareceristas referem--se ao momento da revisão.

Referências

Nossas equipes internas de editoria e de evidências trabalham em conjunto com colaboradores internacionais especializados e pares revisores para garantir que forneçamos acesso às informações o mais clinicamente relevantes possível.

Principais artigos

Writing Committee, Kittleson MM, Ambardekar AV, et al. Transthyretin cardiac amyloidosis evaluation and management: 2025 ACC concise clinical guidance. J Am Coll Cardiol. 2026 Feb 10;87(5):549-65.Texto completo  Resumo

National Comprehensive Cancer Network. NCCN clinical practice guidelines in oncology: systemic light chain amyloidosis [internet publication].Texto completo

Muchtar E, Dispenzieri A, Gertz MA, et al. Treatment of AL amyloidosis: Mayo stratification of myeloma and risk-adapted therapy (mSMART) consensus statement 2020 update. Mayo Clin Proc. 2021 Jun;96(6):1546-77.Texto completo  Resumo

Wechalekar AD, Cibeira MT, Gibbs SD, et al. Guidelines for non-transplant chemotherapy for treatment of systemic AL amyloidosis: EHA-ISA working group. Amyloid. 2023 Mar;30(1):3-17.Texto completo  Resumo

Sanchorawala V, Boccadoro M, Gertz M, et al. Guidelines for high dose chemotherapy and stem cell transplantation for systemic AL amyloidosis: EHA-ISA working group guidelines. Amyloid. 2022 Mar;29(1):1-7. Resumo

Artigos de referência

Uma lista completa das fontes referenciadas neste tópico está disponível para os usuários com acesso total ao BMJ Best Practice.
  • Amyloidosis images
  • Diagnósticos diferenciais

    • Hypertrophic cardiomyopathy (HCM)
    • Membranous glomerulopathy
    • Monoclonal gammopathy of undetermined significance (MGUS)-associated neuropathy
    Mais Diagnósticos diferenciais
  • Diretrizes

    • NCCN clinical practice guidelines in oncology: systemic light chain amyloidosis
    • NCCN clinical practice guidelines in oncology: hematopoietic cell transplantation (HCT)
    Mais Diretrizes
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