Undifferentiated embryonal sarcoma of the liver mimicking acute appendicitis. Case report and review of the literature |
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Authors: | Timothy Sakellaridis Ioannis Panagiotou Themistoclis Georgantas George Micros Dimitra Rontogianni Christos Antiochos |
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Affiliation: | 1. Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada 2. Dept of Surgery,, St. Paul's Hospital, University of British Columbia, Vancouver, BC, Canada
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Abstract: | Background Parathyroid carcinoma is a rare cause of primary hyperparathyroidism and may be associated with significant disease related morbidity and mortality. Preoperative diagnosis remains a challenge, which may jeopardize appropriate and successful patient treatment. Case presentation We report a case of parathyroid carcinoma diagnosed in a 60-year-old woman that presented with a tender nodule located at the left lower thyroid pole and had been present for several years. Ultrasound examination revealed a 2.7 × 1.6 × 2.7 cm mass within the lower left lobe of the thyroid with cystic and solid areas. Lab measurement of the intact PTH level revealed it to be three times the upper limit of normal and the serum calcium level was within normal limits. A left thyroid lobectomy and isthmusectomy was carried out. Histopathological evaluation was diagnostic for a parathyroid carcinoma. At greater than two years of follow-up, the patient has had no evidence of disease recurrence and her serum PTH and calcium levels have remained within normal. Conclusion Parathyroid carcinoma is a rare endocrine tumor which must be considered in the differential diagnosis of a nodular thyroid mass. En bloc resection remains the treatment of choice for this malignancy. Disease prognosis is influenced by the extent of the initial resection, the presence of metastases, and adequate long-term follow-up. |
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