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Intestinal Sarcoidosis: A Diagnostic Conundrum.

Alveena Imran1, Rida Suleman2, Rahul Bhat1

  • 1Respiratory Medicine, George Eliot Hospital NHS Trust, Nuneaton, GBR.

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|August 20, 2025
PubMed
Summary
This summary is machine-generated.

This case study highlights a rare instance of intestinal sarcoidosis discovered incidentally in a woman with pulmonary involvement. Diagnosis required excluding other conditions, emphasizing the need for vigilance in identifying this uncommon gastrointestinal manifestation.

Keywords:
colon sarcoidosisextrapulmonary sarcoidosisgi sarcoidosisintestinal sarcoidosislarge intestine sarcoidosis

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Area of Science:

  • Gastroenterology
  • Pulmonology
  • Systemic Inflammatory Diseases

Background:

  • Sarcoidosis is a multisystem granulomatous disease of unknown etiology.
  • Pulmonary involvement is most common, but gastrointestinal (GI) manifestations can occur.
  • Intestinal sarcoidosis is rare and often asymptomatic, posing diagnostic challenges.

Observation:

  • A 51-year-old woman with incidentally discovered intestinal sarcoidosis alongside pulmonary sarcoidosis.
  • Diagnosis confirmed via PET-CT, colonoscopy, and biopsy, ruling out Crohn's disease and infections.
  • Mediastinal lymphadenopathy and PET-avid colonic lesions supported the diagnosis.

Findings:

  • The patient was asymptomatic, and no treatment was initiated, aligning with current management guidelines.
  • Histopathological confirmation and exclusion of alternative diagnoses are crucial for accurate diagnosis.
  • Colonic involvement in sarcoidosis is exceedingly rare.

Implications:

  • Clinicians should consider intestinal sarcoidosis in the differential diagnosis of colonic lesions, especially with extraintestinal findings.
  • Early diagnosis and appropriate management are essential, though many patients remain asymptomatic.
  • Further research is needed to understand associations and optimize treatment strategies for intestinal sarcoidosis.