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Rectal pulse granuloma.
T C Pereira1, J W Prichard, M Khalid
1Department of Pathology and Laboratory Medicine, Allegheny General Hospital, Pittsburgh, PA 15212, USA.
Archives of Pathology & Laboratory Medicine
|May 24, 2001
Summary
This study reports the first case of pulse granuloma in the rectum, a rare benign condition often caused by vegetable matter. Recognizing its unique features is key to accurate diagnosis and avoiding misidentification with other rectal lesions.
Area of Science:
- Gastroenterology
- Pathology
Background:
- Pulse granuloma is a rare benign condition.
- It is typically a foreign body reaction to vegetable particles, commonly found in the oral cavity or lungs.
Observation:
- A case of pulse granuloma involving the rectum is presented.
- The patient exhibited a submucosal and intramuscular mass lesion during routine rectal examination and colonoscopy.
Findings:
- Microscopic examination of the excised mass revealed characteristic features of pulse granuloma.
- These included acute and chronic inflammatory cells, foreign-body giant cells, vegetable matter, and distinctive hyaline rings and granular structures.
Implications:
- This is the first reported case of rectal pulse granuloma.
- Familiarity with its histopathologic features can prevent diagnostic delays and unnecessary investigations for similar-looking rectal conditions.