Summary
Definition
History and exam
Key diagnostic factors
- diarrhoea
- flushing
Other diagnostic factors
- palpitations
- abdominal cramps
- telangiectasia
- signs of right heart failure
- cardiac murmurs
- hepatomegaly
- wheeze
- pellagra
- abdominal masses
Risk factors
- genetic multiple endocrine neoplasia type 1 (MEN-1) syndrome
Diagnostic investigations
1st investigations to order
- serum chromogranin A/B
- urinary 5-hydroxyindoleacetic acid
- metabolic panel
- liver function tests
- full blood count
Investigations to consider
- CT chest, abdomen, and pelvis with dual-phase liver
- bronchoscopy
- endoscopy
- somatostatin receptor scintigraphy ± somatostatin single photon emission CT (SPECT)
- iodine I-123 meta-iodobenzylguanidine (MIBG) scintigraphy
- histology
- PET scan
Treatment algorithm
localised disease
metastatic disease
Contributors
Authors
Rajaventhan Srirajaskanthan, BSc (Hons), MD (Res), FRCP
Consultant Gastroenterologist
Neuroendocrine Tumour Unit
Kings College Hospital
London
UK
Disclosures
RS has received research grants from AAA, Novartis and Ipsen, and has given consultancy advice to Pfizer and Ipsen. RS has engaged in the speaker's bureau for AAA, Ipsen, and Mylan.
Martyn Caplin, BSc, DM, FRCP
Professor
Consultant in Hepatobiliary and Gastroenterology
Neuroendocrine Tumour Unit
Royal Free Hospital
London
UK
Disclosures
MC is on the advisory boards for Novartis, Ipsen, Lexicon, and Pfizer; he has also received speaker honoraria from them.
Peer reviewers
Wail Malaty, MD
Clinical Professor
Department of Family Medicine
University of North Carolina
Chapel Hill
Assistant Program Director
MAHEC Rural Family Medicine Residency
Hendersonville
NC
Disclosures
WM declares that he has no competing interests.
Rajesh K. Garg, MD
Instructor in Medicine
Brigham and Women's Hospital
Division of Endocrinology
Diabetes and Hypertension
Boston
MA
Disclosures
RKG declares that he has no competing interests.
References
Key articles
Riechelmann RP, Pereira AA, Rego JF, et al. Refractory carcinoid syndrome: a review of treatment options. Ther Adv Med Oncol. 2017 Feb;9(2):127-37.Full text Abstract
Hofland J, Herrera-Martínez AD, Zandee WT, et al. Management of carcinoid syndrome: a systematic review and meta-analysis. Endocr Relat Cancer. 2019 Mar;26(3):R145-56.Full text Abstract
Reference articles
A full list of sources referenced in this topic is available to users with access to all of BMJ Best Practice.
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