Purpose Target delineation in nasopharyngeal carcinoma (NPC) often proves challenging
because of the notoriously narrow therapeutic margin. High doses are needed to achieve …

Background The characteristics of cervical lymphatic metastasis in nasopharyngeal
carcinoma (NPC) are not completely understood. As such, radiotherapy to the entire …

Nasopharyngeal carcinoma (NPC) is a disease with unique epidemiological features. The
distribution of the disease demonstrates a clear regional, racial and gender prevalence. In …

The increasing complexity of modern radiation therapy planning and delivery challenges
traditional prescriptive quality management (QM) methods, such as many of those included …

In 2003, a panel of experts published a set of consensus guidelines for the delineation of the
neck node levels in node negative patients (Radiother Oncol, 69: 227–36, 2003). In 2006 …

Purpose To evaluate treatment outcomes, failure patterns and late toxicities in patients with
nasopharyngeal carcinoma (NPC) treated by intensity modulated radiotherapy (IMRT) in 6 …

Background and purpose In 2000, a panel of experts published a proposal for the selection
of lymph node target volumes for definitive head and neck radiation therapy (Radiother …

Purpose Few studies have reported large inter-observer variations in target volume
selection and delineation in patients treated with radiotherapy for head and neck squamous …

PURPOSE: To compare three-dimensional conformal radiotherapy (3D-CRT) with intensity
modulated radiation therapy (IMRT) in curative-intent irradiation of head-neck squamous cell …

PURPOSE: To identify the anatomic structures whose damage or malfunction cause late
dysphagia and aspiration after intensive chemotherapy and radiotherapy (RT) for head-and …