thyroglossal duct cysts are the most common congenital anomalies in thyroid development, which in less than 1% of cases are malignant. in most cases the diagnosis is made postoperatively. up to now, a few cases have been reported which had been papillary carcinoma. controversies exist concerning its nature and treatment. we present a 30 years old woman with papillary carcinoma of thyroglossal d...

Pectus excavatum is a common thoracic deformity. The main surgical method in early years was Ravitch procedure. Due to the complexity of operation itself, it difficult ensure effect. We recently received 35-year-old male patient with When he 15 old, procedure local hospital for pectus excavatum. postoperative effect not satisfactory, and deformity became worse age. Recently, we performed anothe...

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rawls’ theory of justice is expressed in a constructivist procedure. he holds that his constructivist procedure is free of metaphysical presuppositions. his constructivist procedure is here pursued in three stages: (1) in a theory of justice, rawls intends to come to moral principles regarding the original position which could even result in other moral principles as well. he also asserts some ...

a 46 year old man had been undergone aortic valve replacement (avr) due to mechanical aortic valve endocarditis two month ago. he was referred to imam khomeini hospital because of dyspnea since two weeks ago. echocardiography showed the false aneurysm, with an area of flow beyond the lumen of the aorta. this patient underwent reoperation, the previously implanted aortic valve was removed, metic...

A concept of "Fractal Fracture Mechanics" for HDR .(Hot Dry Rock) geothermal reservoir design has been developed as an extension of conventional rock fracture mechanics. It is suggested that this concept is successfully applicable to characterize and model subsurface fracture network in HDR geothermal reservoir. Furthermore, this modeling procedure makes it possible to evaluate the thermal ener...

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by studying the evolution history of budgeting systems, you may discern three stages: in the first stage, controlling role of budget is regarded its major function. in the second stage, budget is considered as a means for management improvement. in the third stage, the role of budget is considered in economic planning, implementation of programs and government performance management. after worl...

A Plea for More Research into the Causes of and Solutions Challenges Dutch Complaint Procedure in Prisons Light Procedural Justice Theory The aim this article is to urge need (further) research experiences prisoners with complaint procedure prisons. Legally theoretically speaking, almost “picture-perfect”: it has been set as an example by ECtHR repeatedly received a high approval rating CPT. Th...