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lüll Incidental parathyroidectomy during thyroid resection: incidence, risk factors, and outcome Khairy GA; Al-Saif AAnn Saudi Med 2011[May]; 31 (3): 274-8BACKGROUND AND OBJECTIVES: Thyroidectomy is a commonly performed procedure for thyroid problems. Inadvertent removal of the parathyroid glands is one of its recognized complications, which occurs more frequently in certain high-risk patients. The aim of this study was to identify the incidence, risk factors, and clinical relevance of incidental parathyroidectomy during thyroid surgery. DESIGN AND SETTING: A retrospective review of thyroid operations performed at a tertiary referral hospital between January 2004 and December 2008. METHODS: Pathology reports were reviewed to identify the specimens that included parathyroid tissue and underlying thyroid pathology. Postoperative calcium levels were reviewed in these patients. RESULTS: During the study period, 287 thyroidectomies were performed and 47 (16.4%) patients had incidentally removed parathyroid glands. Risk factors for inadvertent parathyroid resection included total thyroidectomy (P=.0001), Hashimoto thyroiditis (P=.004), and extrathyroidal spread (P=.0003). Postoperative hypocalcemia occurred in 18 (38.3%) of the patients in whom the parathyroid gland was removed inadvertently and in 48 (20%) of the rest of the patients (P=.0123). CONCLUSION: The incidence of incidental removal of parathyroid tissue during thyroidectomy is 16.4%. Total thyroidectomy, extrathyroidal extension of the tumor, and thyroiditis were found to be the risk factors. Hypocalcemia was significantly higher among patients who had inadvertent parathyroidectomy.|Adolescent[MESH]|Adult[MESH]|Aged[MESH]|Calcium/blood[MESH]|Female[MESH]|Humans[MESH]|Hypocalcemia/etiology[MESH]|Incidence[MESH]|Intraoperative Complications[MESH]|Male[MESH]|Medical Errors/*statistics & numerical data[MESH]|Middle Aged[MESH]|Parathyroidectomy/*statistics & numerical data[MESH]|Retrospective Studies[MESH]|Risk Factors[MESH]|Thyroid Diseases/physiopathology/*surgery[MESH]|Thyroidectomy/*adverse effects[MESH]|Young Adult[MESH] |