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báo cáo khoa học: "Papillary carcinoma thyroid with metastasis to ectopic cervical thymus"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Papillary carcinoma thyroid with metastasis to ectopic cervical thymus | WORLD JOURNAL OF SURGICAL ONCOLOGY Papillary carcinoma thyroid with metastasis to ectopic cervical thymus Mushtaque et al. Mushtaque et al. World Journal of Surgical Oncology 2011 9 22 http www.wjso.com content 9Z1 22 18 February 2011 BioMed Central Mushtaque et al. World Journal of Surgical Oncology 2011 9 22 http www.wjso.eom content 9 1 22 5 2 WORLD JOURNAL OF SURGICAL ONCOLOGY CASE REPORT Open Access Papillary carcinoma thyroid with metastasis to ectopic cervical thymus 1 11 2 3 1 Majid Mushtaque Sameer H Naqash Ajaz A Malik Rayees A Malik Samina A Khanday Parwez S Khan Abstract Papillary carcinoma of thyroid is the most common type of thyroid neoplasm which is usually confined to the thyroid and tends to metastasize to regional lymph nodes. Distant metastasis occur in up to 15 of cases. Thymic metastasis from any malignant carcinoma is extremely rare with only four cases reported in medical literature. We report a case of papillary carcinoma of thyroid metastasizing to ectopic cervical thymus which has not been previously reported. Introduction Background Papillary thyroid carcinoma is the most common neoplasm in the thyroid gland and accounts for about 70 of all thyroid carcinomas. This tumor peaks in the third or fourth decades of life with female to male ratio ranging from 1.6 1 to 3 1 1 . Thyroid cancers especially papillary carcinoma are more often found in patients with a history of external irradiation. Papillary carcinoma of thyroid may be sub clinical or may be present with asymptomatic thyroid mass or a nodule. Other symptoms like pain difficulty breathing or swallowing stridor vocal cord paralysis haemoptysis rapid enlargement are rare. It commonly metastasizes to regional lymph nodes but at the time of diagnosis 10-15 of patients have distant metastases to the bones and lungs 2 . Other rare sites of distant metastasis are the brain liver and skin. 3 The thymus is an important organ involved in cell-mediated immunological function and to our .