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Nodular colonic mucosa of childhood: normal or pathologic?
Insights
Small colonic mucosal nodules in children are a normal lymphatic response, not a sign of illness. This finding is common, especially in younger patients, and unrelated to symptoms or immune disorders.
Area of Science:
- Pediatric Gastroenterology
- Colorectal Health
- Lymphatic System Physiology
Background:
- Small colonic mucosal nodules were previously termed lymphatic nodular hyperplasia.
- The current hypothesis suggests these nodules represent a normal lymphatic tissue response in children.
Purpose of the Study:
- To investigate the nature of small colonic mucosal nodules in children.
- To determine if these nodules are a normal physiological finding or indicative of pathology.
Main Methods:
- Prospective study over one year.
- Inclusion of air-contrast barium enemas, colonoscopies, and intestinal biopsies.
- Analysis of findings in 48 patients undergoing barium enema and 21 undergoing colonoscopy with biopsies.
Main Results:
- Over half of the children studied (26/48 by barium enema, 12/21 by colonoscopy) exhibited nodular colonic mucosa.
- Nodules were described as smooth, yellowish-white, 1-2 mm in diameter.
- No correlation found between nodules and symptoms; increased frequency observed in younger children; no associated immunologic disorders.
Conclusions:
- Nodular colonic mucosa in childhood is a frequent finding.
- It indicates a normal lymphatic response to non-specific stimuli, often infectious.
- These nodules should not be considered pathological in pediatric patients.
Abstract:
The small colonic mucosal nodules that have been referred to in the past as lymphatic nodular hyperplasia are felt to represent a normal response of the prominent colonic lymphatic tissue in children. To support this hypothesis, a prospective study of all air-contrast barium enemas, colonoscopies, and intestinal biopsies performed during 1 yr was carried out. During that year 48 patients had air-contrast barium enemas, and 21 of these 48 patients also had colonoscopy and mucosal biopsies. Greater than half of the children studied by air-contrast barium enema (26 out of 48) and colonoscopy (12 out of 21) had nodular colonic mucosa. These nodules were described at colonoscopy as being smooth surfaced, yellowish-white, 1-2 mm in diameter. There was no correlation between the presence or absence of these nodules with any symptom or symptom complex. The younger patients, the more frequently these nodules were oberved. No immunologic disorder was associated with the nodular colonic mucosa in the children that were tested. Nodular colonic mucosa in childhood should be considered a frequent finding indicative of normal lymphatic response to nonspecific stimuli, which may often be infectious in nature.
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