Evaluation of the posterior cingulate region with FDG-PET and advanced MR techniques in patients with amnestic mild cognitive impairment: comparison of the methods.

Background: The posterior cingulate region is an area of the earliest pathological changes in amnestic mild cognitive impairment (aMCI). The utility of FDG-PET imaging in dementia is already well established.

Objectives: The aim of the study was to compare FDG-PET with advanced MR measurements: MR spectroscopy (MRS), perfusion weighted imaging (PWI), and diffusion tensor imaging (DTI) within the posterior cingulate region in patients with aMCI.

Potential role of PET-CT in chemotherapy efficacy assessment and recurrence diagnosis in a patient with a Wilms' tumour.

Background: Wilms' tumour is the most frequent renal malignancy in children. There is no worldwide consensus regarding treatment and PET-CT role in this neoplasm. The aim of this report is to demonstrate the potential role of PET-CT in chemotherapy efficacy assessment and recurrence diagnosis.

[Salivary gland damage after 131I therapy in patients with differentiated thyroid cancer. Preliminary report].

Introduction: The purpose of the study was to evaluate salivary gland dysfunction after a high-dose radioiodine therapy administered to patients with differentiated thyroid carcinoma.

Material And Methods: The study group consisted of 60 patients (age range 20-78 years). Detailed history about complaints from the oral cavity were taken, followed by the ultrasonography and dynamic scintigraphy.