A rare case of rectal neuroendocrine tumor presenting as a polyp

Abstract

This is a case reporting regarding a patient presenting with gluteal abscess underwent Incision and drainage and intraoperatively solitary rectal polyp was found on proctoscopy examination, excision(polypectomy) was done and sent for histopathological examination, which was found to be a well differentiated tumour with tumour cells expressing cytokeratin and synaptophysin and were immunonegative for chromogranin A. Margins of the specimen showed free of tumor cells, and there was no distant metastasis. A follow up colonoscopy was done after 6 months which showed normal findings.