نتایج جستجو برای: tumor imaging
تعداد نتایج: 853030 فیلتر نتایج به سال:
Drug Free Tumor Theranostics In article number 2205165, Tymish Y. Ohulchanskyy and co-authors introduce hemoglobin nanocrystals for drug free, synergistic selective theranostics of colon cancer. After intravenous (i.v.) injection, these target tumor react with tumor-specific H2S H2O to enable magnetic resonance imaging guided photothermal therapy produce •OH chemodynamic therapy.
Melanocortin-1 (MC1) receptor is an attractive melanoma-specific target for the development of α-MSH peptide based imaging and therapeutic agents. In this work a new lactam bridge α-MSH analogue was synthesized and radiolabeled with 99mTc via HYNIC chelator and tricine as co-ligand. Also, stability in human serum, receptor bound internalization and tissue biodistribution in tumor bearing nude m...
Introduction: Adrenocortical carcinoma is a rare and severe malignant tumor that in 60% of cases are functional and the most common clinical manifestation is Cushing's syndrome with a progressive course. The only treatment is surgical removal of the entire tumor and effec-tiveness of medical treatments, including mitotane and chemotherapy for survival is still questionable.Case Report: A 36-y...
ABSTRACT In this study, 100 patients with negative labaratory test and without definitive diagnosis by imaging ,were evaluated by cystoscopy. Hematuria was defined as the appearance of red blood cells equali to or more than two in high power field (hpf). ¼ of these patients had microscopic hematuria and ¾ of patients had macroscopic hematuria. Male to female ratio increases significantly wi...
Backgrounds: Bleomycin (BLM) has been labeled with radioisotopes and widely used in therapy and diagnosis. In this study BLM was labeled with [62Zn] zinc chloride for oncologic PET studies. Materials and methods: The complex was obtained at the pH=2 in normal saline at 90 ° C in 60 min. Radio-TLC showed an overall radiochemical yield of 95-97% (radiochemical purity > 97%). Stability of complex ...
Melanocortin-1 (MC1) receptor is an attractive melanoma-specific target for the development of α-MSH peptide based imaging and therapeutic agents. In this work a new lactam bridge α-MSH analogue was synthesized and radiolabeled with 99mTc via HYNIC chelator and tricine as co-ligand. Also, stability in human serum, receptor bound internalization and tissue biodistribution in tumor bearing nude m...
Background: Image-guided radiotherapy used multiple imaging during the radiation therapy course to improve the precision and accuracy of health care provider's treatment. Objectives: This study aims to assess the safety, effectiveness and economic aspects of image-guided radiation therapy for decision-making about this technology in Iran. Methods: In this study, the most important med...
calcifying aponeurotic fibroma (caf) is a rare, benign fibroblastic tumor that typically occurs in the palms of the hands and soles of the feet, in children and adolescents. due to its infiltrative nature, this tumor can mimic malignancy on preoperative magnetic resonance imaging (mri) and has a predilection for local recurrence. there are very few reports in the literature that describe featur...
Background: Magnetic resonance imaging (MRI) is widely applied for examination and diagnosis of brain tumors based on its advantages of high resolution in detecting the soft tissues and especially of its harmless radiation damages to human bodies. The goal of the processing of images is automatic segmentation of brain edema and tumors, in different dimensions of the magnetic resonance images. M...
Desmoid tumor is a rare soft tissue and accounts less than 1% of retroperitoneal tumor. It pathologically benign tumor, while clinical behavior aggressive, showing high rate local recurrence. consists spindle cell, collagen myxoid matrix thus it shows diverse imaging patterns according to its composition. In this case report, surgically diagnosed desmoid presented.
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