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Diagnosis of Neoplasia in Barrett’s Esophagus using Vital-dye Enhanced Fluorescence Imaging

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Bone metaplasia in a rectal polyp.

Enrique Calcerrada Alises¹, Jaime Ruiz Tovar¹, Miguel Ángel García Ureña¹

¹Cirugía General y del Aparato Digestivo, Hospital Universitario del Henares, España.

Revista Espanola De Enfermedades Digestivas

|November 27, 2020

Summary

A hyperplastic polyp with bone metaplasia was found in the rectum during a colonoscopy for a positive fecal occult blood test. This rare finding in a rectal polyp warrants further investigation into its clinical significance.

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Area of Science:

Gastroenterology
Pathology
Colorectal Cancer Screening

Background:

Fecal occult blood test (FOBT) is a screening tool for colorectal abnormalities.
Hyperplastic polyps are common, generally benign colorectal polyps.
Bone metaplasia is a rare finding in colorectal polyps.

Observation:

A 77-year-old male presented with a positive FOBT.
Colonoscopy revealed a rectal polyp 12 cm from the anal margin.
The polyp had a hyperplastic appearance and was covered by exudate.

Findings:

Pathological examination confirmed a hyperplastic polyp.
Foci of bone metaplasia were identified within the polyp's lamina propria.
This represents an unusual histological finding in a hyperplastic polyp.

Implications:

The presence of bone metaplasia in a hyperplastic polyp is rare.
Further research is needed to understand the clinical significance and potential implications of this finding.
This case highlights the importance of thorough pathological examination of colorectal polyps.