bone neoplasms/وذمة

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MR imaging of edema accompanying benign and malignant bone tumors.

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To evaluate the incidence, quantity, and presentation of intra- and extraosseous edema accompanying benign and malignant primary bone lesions, the magnetic resonance (MR) studies of 63 consecutive patients with histologically proven primary bone tumors were reviewed. MR scans were assessed for the

The Differentiation of Soft Tissue Infiltration and Surrounding Edema in an Animal Model of Malignant Bone Tumor: Evaluation by Dual-Energy CT.

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To study the value of dual energy computed tomography in distinguishing soft tissue infiltration from surrounding soft tissue edema in rabbit malignant bone tumor, a malignant bone tumor model was established through implantation of VX2 tumor fragments into the tibiae of rabbits. Tumor adjacent soft

Prostaglandin levels of primary bone tumor tissues correlate with peritumoral edema demonstrated by magnetic resonance imaging.

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BACKGROUND Several reports have shown peritumoral edema accompanying primary bone tumors demonstrated by magnetic resonance imaging (MRI). However, the mechanism of this inflammatory reaction is still unclear. The authors postulated that the reaction was caused by some chemical mediators including

[Roles of magnetic resonance imaging in management of bone tumors].

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The roles of magnetic resonance imaging (MRI) in the diagnosis and treatment of bone tumors are reviewed. Most bone tumors can be detected on plain radiography or bone scintigraphy. MRI is helpful in detecting tumors that do not destroy bone matrix or suppress reactive bone formation. Detailed

Benign bone tumors of hand and wrist: evaluation of diagnosis and treatment.

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This study aims to investigate the choice of graft or cement, the relationship between the graft types and union rates, functional results, and complications in hand and wrist benign bone lesions while also evaluating the diagnosis and treatment modalities of lesions with high

Evaluating the scope of intramedullary invasion of malignant bone tumor by DCE-MRI quantitative parameters in animal study.

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The purpose was to analyze the value of quantitative parameters of DCE-MRI in evaluating micro-infiltration of malignant bone tumors.

Methods

Thirty-nine New Zealand white rabbits were used to establish malignant bone tumor models by implanting VX2

Lipids in bone tumors assessed by magnetic resonance: chemical shift imaging and proton spectroscopy in vivo.

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The methods of fat and water selective magnetic resonance (MR) imaging and localized 1H MR spectroscopy were evaluated in the course of 37 examinations on 27 primary bone tumors. These methods are capable of demonstrating small amounts of lipids inside the tumors and subtle edema in the adacent bone

Edema Surrounding Benign Tumors and Tumor-Like Lesions.

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To explore the incidence and significance of intra- and extra-osseous edema associated with benign tumors and tumor-like diseases.

Methods

Magnetic resonance imaging (MRI) data from 300 benign osseous tumors and tumor-like diseases diagnosed by

Imaging of bone tumors.

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In the recent literature on benign bone tumors, papers have highlighted the atypical appearances of intracapsular osteoid osteoma, the characteristic (yet not pathognomonic) feature of fluid-fluid levels on CT and MR imaging of aneurysmal bone cysts, the difficulties of MR imaging of giant cell

Intra-articular osteoid osteoma accompanied by extensive bone marrow edema. A clinical and micro-morphological analysis.

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Osteoid osteoma (OO) is a benign bone tumor producing non-mineralized bone matrix (i.e., osteoid). While peritumoral edema is commonly found in OO, extensive bone marrow edema has been reported less frequently. Furthermore, the micro-morphological characteristics of the nidus and its central

Magnetic Resonance Imaging-Based Grading of Cartilaginous Bone Tumors: Added Value of Quantitative Texture Analysis.

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OBJECTIVE The aim of this study was to assess the interreader agreement and diagnostic accuracy of morphologic magnetic resonance imaging (MRI) analysis and quantitative MRI-based texture analysis (TA) for grading of cartilaginous bone tumors. METHODS This retrospective study was approved by our

Malignant bone tumor intramedullary invasion: evaluation with dual-energy computed tomography in a rabbit model.

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OBJECTIVE The aim of this study was to investigate the usefulness of dual-energy computed tomography (CT) spectral imaging for differentiating intramedullary microscopic invasion from simple marrow edema in a rabbit VX2 carcinoma model. METHODS VX2 tumors were implanted into the right tibiae of 30

Evaluation of the lymph flow with lymphoscintigraphy after rotationplasty for the treatment of bone tumors.

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We studied the cases of eleven patients in whom a rotationplasty had been done after wide resection of the distal part of the femur. All patients had had a malignant tumor of bone, but none had the complication of edema or leakage of lymph after the rotationplasty. We made lymphoscintiscans soon

PET/MR Imaging in Musculoskeletal Precision Imaging - Third wave after X-Ray and MR

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18F-Fluorodeoxyglucose PET has been used to evaluate a wide array of inflammatory and neoplastic pathologies. MR imaging has great soft tissue resolution and high accuracy for detection of edema. Combining PET with MR imaging offers substantial advantages in musculoskeletal imaging. Specifically,

L5 Osteoid Osteoma Treated with Partial Laminectomy and Cement Augmentation.

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Osteoid osteoma is a benign primary bone tumor of unknown etiology that occurs most commonly in males during adolescence and early adulthood. Osteoid osteoma affects the spine in 20% of cases, and may cause spinal deformity, stiffness, and pain that may sometimes be worst at night. We present a

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