Jejunal Neuroendocrine Tumor G1 C1334296
A slow-growing tumor arising from hormone-producing cells in the jejunum. These neuroendocrine tumors may cause symptoms from hormone release. Surgery and other therapies are often effective.
Key facts at a glance
- ICD-10
- C80.1
- ICD-11
- 2A00.0
- Body system
- oncologic
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Generalized symptoms
(oncologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Intermittent abdominal pain
(gastrointestinal)Diarrhea
(gastrointestinal)Facial flushing
(gastrointestinal)Carcinoid heart disease (valvular dysfunction)
(cardiovascular)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Complete Surgical Excision
Curative surgical removal of the well-differentiated G1 neuroendocrine tumor with adequate margins and regional lymph node assessment for proper staging.
Lifestyle modification and dietary intervention
Treatment options should be discussed with a qualified healthcare provider.
Somatostatin Analog Therapy
Long-acting somatostatin injections to control hormone-related symptoms such as diarrhea and flushing while also providing potential anti-tumor effects.
Additional treatment options
Biochemical and Imaging Follow-up
Regular chromogranin A monitoring and cross-sectional imaging to assess treatment response and detect early progression in well-differentiated tumors.
monitoringEverolimus Targeted Therapy
mTOR inhibitor medication used for progressive well-differentiated neuroendocrine tumors when standard therapies are insufficient to control disease progression.
medicationSymptom-Directed Dietary Management
Customized diet modifications to manage carcinoid syndrome symptoms including trigger food avoidance and small frequent meals to reduce dumping-like symptoms.
dietaryWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Jejunal Neuroendocrine Tumor G1 C1334296?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Shah MH, Goldner WS, Halfdanarson TR, et al. NCCN Guidelines Insights: Neuroendocrine and Adrenal Tumors, Version 2.2024. J Natl Compr Canc Netw. 2024.
Modlin IM, Oberg K, Chung DC, et al. Gastroenteropancreatic neuroendocrine tumours. Lancet Oncol. 2023.
Mann GB, Garcia IA, Lee JH, et al. Long-term outcomes after surgical resection of jejunal and ileal neuroendocrine tumors. Ann Surg Oncol. 2020.
Zhou Z, Chen J, Liu Y, et al. Clinicopathological features and prognosis of small bowel neuroendocrine tumors: A systematic review and meta-analysis. Cancers (Basel). 2022.
Medication Comparisons
Compare medications used to treat Jejunal Neuroendocrine Tumor G1 C1334296. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy