[Internal elevation of sinus: limitations and risks]

The aim of this work is to describe the different techniques of crestal sinus lift using adequate bone condensers taking into consideration the available bone height and quality under the sinus membrane in order to determine the proper therapeutic choice

Update on Wilms' tumor in children

Although rare, Wilms' tumor is the most common primary renal malignancy in children and is associated with a number of congenital anomalies and documented syndromes. Appropriate laboratory, radiologic and pathologic investigations are necessary components of the evaluation of children with suspected Wilms' tumor. This provides accurate diagnosis and subsequent staging; information which is essential to generate a multidisciplinary treatment plan utilizing surgery, chemotherapy and radiotherapy. Patients treated for Wilms' tumor as children must continue to be monitored for possible long-term sequelae as adults including secondary malignancies as well as treatment-related toxicity