background : a head and neck (h&n;) cancer severely affect the voice and compromises the patient’s vocal independence. the present study proposed to investigate the difference in the three vital components of voice the pitch, jitter and shimmer in h&n; cancer patients and compared it with age matched healthy volunteers. methods : the voice parameters were ascertained in the freshly diagnosed h&...

Introduction: Globally, intensity-modulated radiation therapy (IMRT) is considered as highly precise and accurate method of radiotherapy planning. This technique amplifies spatial dose distribution conformity by modulating the intensity of radiation beams in each sub-volume. Additionally, it can reduces the dose to surrounding critical organs and deliver the planned dose to targets with the nom...

60-year-old woman was treated for a brain metastasis. the patient received intensity-modulated radiation therapy (sib-imrt) dose of 30 gy for the whole brain and 40 gy delivered simultaneously to individual brain metastases in 10 fractions. the present report investigated the influence of applied novel prepared treatment plan, among others the fractionation protocol on the electroencephalogram ...

Introduction: As one of the most common cancers among head and neck malignancies, cancer of the oral cavity probably has some variations in countries with a high prevalence of esophageal cancer.  Materials and Methods: Patients with oral cavity cancer who were treated at two tertiary referral centers from January 1999 to January 2009 were included in this study. In addition to demographic data,...

Introduction: Sarcomas are rare malignancies with aggressive biological behavior. They are categorized into soft and hard tissue types. The main objective of this study was to analyze the prevalence of head and neck sarcomas (HNS) among the Iranian population. Materials and Methods: The pathology files derived from Iran National Tumor Bank of Cancer Institute in Imam Khomeini Hospital, affiliat...

Background and Objective: Hypothyroidism is a known consequence of the external beam radiotherapy to the neck encompassing the thyroid gland for over 40 years. The aim of this study was to find out the incidence of hypothyroidism in patients with head and neck cancer treated with radiotherapy, when radia...

September 01, 2008 About 500,000 head and neck carcinomas are diagnosed worldwide annually. This accounts for approximately 8% of all newly diagnosed cases of cancer, ranking head and neck carcinoma the sixth most common.[1] In the United States, 47,560 new head and neck carcinomas are expected to be diagnosed in 2008,[2] and this disease accounts for 5% of all newly diagnosed cases of cancer. ...

background: footwear with a curved “rollover” sole is prescribed to improve walking capability. shoes with a curved sole profile have been reported to alter ankle, knee and hip kinematics and posture and thought to able to modify head and neck, and trunk posture. therefore, the aim of this study was to investigate the immediate effects of rollover footwear on standing posture of head and neck, ...

September 01, 2008 About 500,000 head and neck carcinomas are diagnosed worldwide annually. This accounts for approximately 8% of all newly diagnosed cases of cancer, ranking head and neck carcinoma the sixth most common.[1] In the United States, 47,560 new head and neck carcinomas are expected to be diagnosed in 2008,[2] and this disease accounts for 5% of all newly diagnosed cases of cancer. ...