background: in this study we evaluated the incidence of hypothyroidism in patients who received external beam radiation due to cancer, when radiation portals included thyroid gland. methods: this prospective study was conducted from april 2004 to december 2005 among patients with head and neck or breast malignancies who referred to radiation oncology department of cancer institute, imam khomein...

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 radiation portals included whole of the thyroid gland. materials and methods: this prospective no...

OBJECTIVES To determine the incidence of posttreatment hypothyroidism in patients treated with surgery with or without radiotherapy for advanced-stage nonthyroid head and neck cancer and to make recommendations for its detection. DESIGN A prospective study to assess the incidence and time frame of occurrence of hypothyroidism in patients by primary tumor site and treatment modality. Thyroid f...

BACKGROUND Thyroid lymphoma is rare, with no standard therapeutic protocol. Radiotherapy is often employed. PATIENTS AND METHODS Nine patients who had received radiotherapy for thyroid lymphoma in our Institute, from September 2005 to August 2013, were reviewed for hypothyroidism. The median radiation dose was 40 Gy. Thyroid-stimulating hormone (TSH) levels were measured before and after radi...

OBJECTIVES We investigated the frequency of hypothyroidism in patients treated with total laryngectomy, hemithyroidectomy-isthmectomy, and postoperative radiotherapy for T3 or T4 larynx cancers. PATIENTS AND METHODS Twenty-nine male patients (mean age 54 years; range 43 to 72 years) with T3 or T4 larynx cancers were prospectively included in the study. Preoperatively, thyroid function tests w...

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...

OBJECTIVE To assess thyroid dysfunction in head and neck cancer patients who have received external beam radiotherapy according to radiotherapy fields and dose, tumor site and other local or systemic treatments retrospectively and prospectively and propose a follow-up schedule. MATERIAL AND METHODS A total of 378 patients was classified into two groups. Group I (n = 345) consisted of surgical...

Background: Nasopharyngeal carcinoma (NPC) is a leading cause of cancer related death in Asia; and the fourth most common malignancy Indonesia. Hypothyroidism one commonly overlooked radiotherapy-induced late side effect due to its gradual occurrence despite irreversibility. Unfortunately, thyroid evaluation not widely accessible throughout Therefore, it quite important utilize simple reliable ...

abnormalities of the thyroid gland are among the most frequent endocrine complications observed in childhood cancer survivors. we report an 11 years old girl who developed central hypothyroidism and acth deficiency during the chemotherapy for cns relapse of acute lymphoblastic leukemia before receiving radiotherapy. keywords: thyroid gland, hypothyroidism, chemotherapy, acute lymphoblastic leuk...