Carcinoid

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Carcinoid
Multiple Carcinoid Tumors of the Small Bowel 2.jpg
Synonyms Neuroendocrine tumor
Pronounce N/A
Specialty N/A
Symptoms Flushing, diarrhea, abdominal pain, wheezing
Complications Carcinoid syndrome, heart valve disease, intestinal obstruction
Onset Typically in adulthood
Duration Chronic
Types N/A
Causes Genetic mutations
Risks Family history, smoking, alcohol consumption
Diagnosis Biopsy, imaging studies, blood tests
Differential diagnosis Irritable bowel syndrome, inflammatory bowel disease, gastroenteritis
Prevention None known
Treatment Surgery, chemotherapy, radiation therapy, somatostatin analogs
Medication Octreotide, lanreotide
Prognosis Variable, depends on stage and location
Frequency Rare
Deaths Varies, depending on stage and treatment


Carcinoid Tumors[edit | edit source]

Carcinoid tumors are a type of neoplasm that primarily develops in the mucosa of the gastrointestinal tract. These tumors can be either benign or malignant and are often associated with an excessive secretion of Serotonin.

Carcinoid tumor in the small intestine

Characteristics[edit | edit source]

Carcinoid tumors are distinctive for their potential to produce serotonin, a neurotransmitter involved in the regulation of mood, digestion, and other bodily functions. The overproduction of serotonin by these tumors can lead to unique clinical symptoms.

Location[edit | edit source]

While carcinoid tumors can develop in any part of the gastrointestinal tract, they are most commonly found in the:

  • Appendix
  • Small intestine
  • Rectum

Symptoms and Carcinoid Syndrome[edit | edit source]

In some cases, especially when the tumor metastasizes, it can lead to a condition known as Carcinoid syndrome. Symptoms of this syndrome include:

  • Flushing
  • Diarrhea
  • Wheezing
  • Abdominal pain

Diagnosis[edit | edit source]

Diagnosis of carcinoid tumors typically involves:

  • Imaging tests such as CT scans or MRI
  • Endoscopic examinations
  • Biopsy and histological analysis
  • Measurement of serotonin levels in the blood

Treatment[edit | edit source]

Treatment options vary depending on the location and size of the tumor, and whether it has metastasized. Common treatments include:

  • Surgical removal of the tumor
  • Medication to control symptoms
  • Chemotherapy and radiation therapy for advanced cases

External Links[edit | edit source]

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