IMPACT OF ROBUST TREATMENT PLANNING ON SINGLE- AND MULTI-FIELD OPTIMIZED PLANS FOR PROTON BEAM THERAPY OF UNILATERAL HEAD AND NECK TARGET VOLUMES

Impact of robust treatment planning on single- and multi-field optimized plans for proton beam therapy of unilateral head and neck target volumes

Abstract Background Proton beam therapy is promising for the treatment of head and neck cancer (HNC), but it is sensitive to uncertainties in patient positioning and particle range.Studies have shown that the planning target volume (PTV) concept may not be sufficient to ensure robustness of the target coverage.A few planning studies have considered

read more


Anaesthetic Management of Foreign Body Bronchus: Profile of Cases Appearing at Tribhuvan University Teaching Hospital: An Observational Study

Introduction: Rigid bronchoscopy is the preferred method for Liners extracting airway foreign bodies, as it allows grasping forceps to extract foreign bodies while maintaining ventilation through a side port.The main challenge to the Anesthesiologists is to maintain oxygenation and ventilation while sharing the common field with the surgeons.This s

read more

The Influence of Nanostructured Hydroxyapatite Surface in the Early Stages of Osseointegration: A Multiparameter Animal Study in Low-Density Bone

Suelen Cristina Sartoretto,1– 4 Jose Calasans-Maia,5 Rodrigo Resende,2,4,6 Eduardo Câmara,3 Bruna Ghiraldini,7 Fabio Jose Barbosa Bezerra,8 Jose Mauro Granjeiro,4,9 Monica Diuana Calasans-Maia4,6 1Oral Surgery Department, Universidade Veiga de Almeida, Rio de Janeiro, RJ, Brazil; 2Oral Surgery Department, Universidade Iguaçu, Nov

read more