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Wyszukujesz frazę "magnetic imaging" wg kryterium: Temat

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    Wyświetlanie 1-3 z 3
    Tytuł:
    Sacral insufficiency fracture following rectal cancer treatment – case report
    Autorzy:
    Pikula, A.
    Pikula, T.S.
    Pastuszak, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2098211.pdf
    Data publikacji:
    2020
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    sacral fracture
    rectal cancer
    treatment
    carcinoembryonic antigen
    magnetic resonance imaging
    radiotherapy
    Opis:
    Introduction and Objective. Locally advanced rectal cancers witha high risk of recurrence need multimodal treatment Rusing neoadiuvant preoperative chemoradiotherapy or preoperative radiotherapy. Both rectal cancer surgery and the additional chemoradiotherapy or radiotherapy may cause late sequelae. The aim of the study is to present a clinical situation in which a pelvic recurrence of rectal cancer has to be distinguished from therapy side effects. Insufficiency fracture (IF) is one of the therapy side-effects. It can cause pain and decrease mobility and it is a well-known late complication to pelvic radiotherapy, but can be misinterpreted as a local recurrence. Conclusions. It is extremely important to distinguish IF from metastases, which may require biopsies and initiation of potentially toxic treatments such as chemotherapy. MRI and CT scans are complementary modalities to make an accurate diagnosis of IF.
    Źródło:
    Journal of Pre-Clinical and Clinical Research; 2020, 14, 4; 120-122
    1898-2395
    Pojawia się w:
    Journal of Pre-Clinical and Clinical Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Posterior reversible encephalopathy syndrome – Case report
    Autorzy:
    Kulczynski, M.
    Kuroska, G.
    Sapko, K.
    Marciniec, M.
    Munoz-Niklitschek, E.
    Dyndor, P.
    Dyndor, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/2098209.pdf
    Data publikacji:
    2020
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    oedema
    posterior reversible encephalopathy syndrome
    seizure
    nausea
    neurological deficit
    ischaemia
    magnetic resonance imaging
    Opis:
    Introduction. Posterior reversible encephalopathy syndrome (PRES) is a group of clinical disorders typically manifested by the presence of seizures, headache, impaired consciousness, nausea and focal neurological deficits. It is stated that PRES is a result of high blood pressure which leads to impaired self-regulation and hyperperfusion causing endothelial damage and vasogenic oedema or that excessive arteriolar vasoconstriction causes reduced blood flow, thus causing ischemia and cytotoxic oedema. Case Report. A 21-year-old woman was admitted to obstetrics & gynaecology department with symptoms of eclampsia. CT of the head revelaed a holohemispheric watershed pattern. MRI confirmed the presence of vasogenicoedema in the affected regions, typical for PRES. C-section was performed. Ten days after administering treatment, MRI showed complete withdrawal of the lesions. The diagnosis of PRES was based on clinical symptoms and MRI, with typical cortical and subcortical oedema without infarction.
    Źródło:
    Journal of Pre-Clinical and Clinical Research; 2020, 14, 4; 123-125
    1898-2395
    Pojawia się w:
    Journal of Pre-Clinical and Clinical Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Diffusion-weighted MRI of kidney in the diagnosis of clear cell renal cell carcinoma of various grades of differentiation
    Autorzy:
    Mytsyk, Y.
    Dutka, I.
    Komnastka, I.
    Gorecki, A.
    Yuriy, B.
    Shatynska-Mytsyk, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/3241.pdf
    Data publikacji:
    2015
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    diffusion-weighted imaging
    kidney
    diagnosis
    clear cell
    renal cell
    renal carcinoma
    carcinoma
    magnetic resonance imaging
    apparent diffusion coefficient
    Opis:
    Introduction. Renal cell carcinoma (RCC) is the most common malignant epithelial tumour of the kidney, accounting for 85–90% of all solid renal tumours in adults and comprising 1–3% of all malignant visceral neoplasms. Recently, computed tomography (CT) has been considered the ‘gold standard’ in the diagnostic imaging of RCC; however, the use of CT is always associated with radiation exposure and consequently carries a significant increase in the risk of malignancy for patients with neoplastic processes. In recent years, magnetic resonance imaging (MRI) is increasingly attracting the attention of clinicians as the method of choice for the diagnosis and staging of RCC, due to several advantages over CT. Materials and method. The study involved 62 adult patients with a pathologically verified clear cell subtype of the renal cell carcinoma (ccRCC) and 15 healthy volunteers. All patients underwent renal MRI which included diffusion-weighted imaging (DWI) with subsequent apparent diffusion coefficient (ADC) measurement. Results. A significant difference was observed in the mean ADC value of the normal renal parenchyma and ccRCC – 1.82 ± 0.16 × 10– 3 mm2/s vs 2.15 ± 0.12 × 10– 3 mm2/s, respectively (р < 0,05). Additionally, statistically reliable differences in ADC values in patients with high and low ccRCC grades were obtained: in patients with the I grade, the mean ADC value was 1.92 ± 0.12 × 10– 3 mm2/s, in patients with the II grade, this value was 1.84 ± 0.14 × 10– 3 mm2/s, in patients with the III grade, the mean ADC value was 1.79 ± 0.12 × 10– 3 mm2/s, and in patients with the IV grade of nuclear polymorphism the mean ADC value was 1.72 ± 0.11 × 10– 3 mm2/s (p <0.05). Conclusions. The data obtained in the survey show a significant restriction in the diffusion of hydrogen molecules in tissues of ccRCC, compared to the healthy renal parenchyma due to the tumour’s greater density. A statistically significant difference was observed in the mean ADC values of ccRCC tumours with different Fuhrman nuclear grades: tumours with a low grade of differentiation demonstrated higher mean ADC values compared to highly differentiated tumours. Application of DWI modality of MR imaging with ADC calculation allows to obtain valuable information that is vital for the diagnosis of ccRCC and differentiation of its degree of malignancy.
    Źródło:
    Journal of Pre-Clinical and Clinical Research; 2015, 09, 1
    1898-2395
    Pojawia się w:
    Journal of Pre-Clinical and Clinical Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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