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Meckel's diverticulum in infants and children; technetium-99m pertechnetate scintigraphy and clinical findings
Bhagwant Rai Mittal1, Raghava Kashyap, Anish Bhattacharya
1Department of Nuclear Medicine, Post Graduate Institute of Medical Education and Research, Chandigarh 160 012, India. brmittal@yahoo.com
Insights
Technetium-99m pertechnetate scintigraphy accurately diagnoses ectopic gastric mucosa in children with suspected Meckel
Area of Science:
- Pediatric Gastroenterology
- Diagnostic Imaging
- Congenital Anomalies
Background:
- Meckel's diverticulum is the most common congenital gastrointestinal anomaly.
- Ectopic gastric mucosa within Meckel's diverticulum can lead to complications like bleeding and perforation.
- Accurate diagnosis is crucial for effective management.
Purpose of the Study:
- To evaluate the diagnostic accuracy of Technetium-99m pertechnetate scintigraphy for detecting ectopic gastric mucosa in pediatric Meckel's diverticulum.
- To analyze scintigraphic findings in relation to clinical presentation and surgical outcomes.
Main Methods:
- Retrospective analysis of scintigraphic data from 107 pediatric patients.
- Patients underwent Technetium-99m pertechnetate scintigraphy for suspected Meckel's diverticulum.
- Correlation of scintiscan results with surgical findings.
Main Results:
- Twenty-one out of 107 patients (19.6%) showed positive findings for functioning gastric tissue.
- The most common presenting symptom was rectal bleeding.
- Technetium-99m pertechnetate scintigraphy demonstrated an 84.2% true positive rate for diagnosing Meckel's diverticulum.
Conclusions:
- Technetium-99m pertechnetate scintigraphy is a reliable diagnostic tool for identifying ectopic gastric mucosa in pediatric Meckel's diverticulum.
- The study confirms the high true positive rate of scintigraphy in this patient population.
- Early diagnosis facilitates timely surgical intervention and improved patient outcomes.
Abstract:
Meckel's diverticulum (MD) is the most common congenital gastrointestinal anomaly. About 50% of diverticulae contain ectopic gastric mucosa. Gastric mucosal secretions can cause peptic ulceration resulting in pain, bleeding and perforation. Technetium-99m ((99m)Tc) pertechnetate scintigraphy is helpful in diagnosing ectopic gastric mucosa. We have conducted a retrospective analysis of scintigraphic data of 107 pediatric patients, 28 females and 79 males, their age ranging from 5 days to 11 years who referred to us for a query diagnosis of MD. Our results have shown that the most frequent presenting symptom was bleeding per rectum. Twenty-one cases of the 107 were positive for functioning gastric tissue indicating MD (19.62%). Maximum clustering of positive cases was at the age group of 1-2 years (11 cases i.e. 52.38%). The site of the ectopic activity was mainly at the umbilical quatrum in 11 cases (52.4%). Two patients were lost to follow-up and hence surgery could not be performed. The remaining 19 cases were subjected to surgical intervention and 16 were found to be positive for MD. The scintiscan was true positive in 84.2%. Our findings were in agreement with those of other authors. In conclusion, in pediatric patients (99m)Tc-pertechnetate scintigraphy is by 84.2% true positive for gastric mucosa, indicating MD.
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