edema/neoplasms

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Contribution of the apparent diffusion coefficient in perilesional edema for the assessment of brain tumors.

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OBJECTIVE Diffusion-weighted MRI is sensitive to molecular motion and has been applied to the diagnosis of stroke. Our intention was to investigate its usefulness in patients with brain tumor and, in particular, in the perilesional edema. METHODS We performed MRI of the brain, including

The extent of edema and tumor synchronous invasion into the subventricular zone and corpus callosum classify outcomes and radiotherapy strategies of glioblastomas.

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Irradiating glioblastoma preoperative edema (PE) remains controversial. We investigated the associations between tumors' PE extent with invasion into synchronous subventricular zone and corpus callosum (sSVZCC) and treatment outcomes to provide the clinical evidence for radiotherapy

Control of vasogenic edema in a brain tumor model: comparison between dexamethasone and superoxide dismutase.

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OBJECTIVE The production of prostaglandin (PG) within brain tumors probably generates excessive amounts of oxygen free radicals that may disrupt microvessel permeability within the tumor and in the adjacent brain. We evaluated the effect of systemic therapy with recombinant human

The significance of arytenoid edema following radiotherapy of laryngeal carcinoma with respect to residual and recurrent tumour.

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We sometimes experience patients with persistent or progressive arytenoid edema, among which residual or recurrent cancer is often accompanied. Because it is difficult to distinguish tumour rest or recurrence from normal tissue sequelae in the early period after irradiation, it is important to know

Imaging detection of endolymphatic sac tumor-associated hydrops.

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OBJECTIVE To determine if physiologically based MRI sequences can be used to detect endolymphatic sac tumor (ELST)-associated hydrops, the authors performed contrast-enhanced delayed FLAIR imaging in consecutive ELST patients with clinical findings consistent with hydrops. METHODS Consecutive

HR 3 Tesla MRI for the diagnosis of endolymphatic hydrops and differential diagnosis of inner ear tumors--demonstrated by two cases with similar symptoms.

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The synchronous appearance of different inner ear pathologies with a nearly equivalent clinical manifestation such as Menière's disease and vestibular schwannoma is very rare but leads to a relevant dilemma concerning therapy options. MRI is the method of choice to detect intralabyrinthine tumors.

Hypertonic saline ameliorates cerebral edema associated with experimental brain tumor.

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Cerebral edema commonly accompanies brain tumors and frequently leads to lethal intracranial compartmental shifts and elevated intracranial pressure. Therapeutic modalities for tumor-associated cerebral edema include diuretics, osmotherapy, and corticosteroids. Recently, hypertonic saline (HS) has

Effects of glucocorticoid and chemotherapy on the peritumoral edema and astrocytic reaction in experimental brain tumor.

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To study the effects of glucocorticoids and chemotherapeutic agents on the pathophysiology of the tumor-induced brain edema, the site of Evans blue-albumin extravasation, the distribution of extravasated serum albumin, and the extent of local astrocytic reaction were examined in a rat model of

Chemical composition and evaluation of the anti-inflammatory and antinociceptive activities of Duguetia furfuracea essential oil: Effect on edema, leukocyte recruitment, tumor necrosis factor alpha production, iNOS expression, and adenosinergic and opioidergic systems.

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BACKGROUND Duguetia furfuracea (A. St. -Hil.) Saff. (Annonaceae) is commonly known in Brazil as "araticum-seco," and its root is used in folk medicine to treat inflammatory and painful disorders. However, no studies have been performed to evaluate these therapeutic activities. OBJECTIVE Investigate

Risk of peripheral edema in cancer patients treated with MEK inhibitors: a systematic review and meta-analysis of clinical trials.

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MEK inhibitors are a group of drugs that have shown reliable effects in the treatment of metastatic melanoma and non-small-cell lung cancer. Peripheral edema is an adverse event associated with MEK inhibitors; however, there has been no systematic attempt to evaluate peripheral edema data observed

Defective global genome repair in XPC mice is associated with skin cancer susceptibility but not with sensitivity to UVB induced erythema and edema.

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It is generally presumed that xeroderma pigmentosum (XP) patients are extremely sensitive to developing UV erythema, and that they have a more than 1000-fold increased skin cancer risk. Recently established mouse models for XP can be employed to investigate the mechanism of these increased

Quantitative diffusion MR imaging of cerebral tumor and edema.

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The detection of brain tumors using standard techniques of qualitative, relaxation-weighted magnetic resonance imaging (MRI) requires the application of contrast agents. We investigated whether or not it is possible to use diffusion-weighted MRI to localize tumors without contrast enhancement. Three

Edema worsens target coverage in high-dose-rate interstitial brachytherapy of mobile tongue cancer: a report of two cases.

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OBJECTIVE We report our study on two patients to highlight the risk of underdosage of the clinical target volume (CTV) due to edema during high-dose-rate interstitial brachytherapy (HDR-ISBT) of mobile tongue cancer. METHODS To treat the lateral side of the CTV, flexible applicator tubes were

Impact of peritumoral edema during tumor treatment field therapy: a computational modelling study.

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Tumor treatment fields (TTFields) are an approved adjuvant therapy for glioblastoma (GBM). The magnitude of applied electrical field has been shown to be related to the anti-tumoral response. However, peritumoral edema may result in shunting of electrical current around the tumor,

Tumor-to-tumor metastasis from hematopoietic neoplasms to meningiomas: report of two patients with significant cerebral edema.

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BACKGROUND Tumor-to-tumor metastasis is a rare, but well-reported, curiosity in which one type of primary neoplasm metastasizes to another primary tumor type within the same person. Often there are limited clinical consequences and the condition is an incidental finding identified only on

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