Preoperative vitamin D levels do not relate with the risk of hypocalcemia following total thyroidectomy. A cohort study.

Background: Hypocalcemia is the most common complication following total thyroidectomy. Few factors may relate with increased risk of postoperative hypocalcemia. Preoperative vitamin D values have been evaluated in few studies, but reports present conflicting data.

Metachronous adenocarcinoma of the anal canal after anterior resection for sporadic primary rectal adenocarcinoma: A rare case report.

Introduction: Anal canal adenocarcinoma is an extremely rare malignancy with poorly defined diagnostic and treatment criteria.

Presentation Of Case: A 42-year-old women was diagnosed with primary anal canal adenocarcinoma 11 months after undergoing anterior resection for primary sporadic rectal adeocarcinoma. Transanal excision was performed and additional adjuvant chemotherapy was given.