نتایج جستجو برای: brain neoplasms
تعداد نتایج: 936883 فیلتر نتایج به سال:
Brain tumor is a condition affecting many people worldwide.Patients often had similar functional neurological symptoms even if the type of tumors diagnosed were entirely different at later stage.Some tingling in feet, changes eyesight,tremors extremities, headaches or migraines and more. Patients who suffer from brain go through screening process to identify cause problem. Factors such as age g...
Tumors of the Central nervous System (CNS) are a spectrum neoplasms that range from benign lesions to highly malignant and aggressive lesions. Despite multimodal treatment approaches, morbidity mortality high with dismal survival outcomes in these tumors. Moreover, non-specificity conventional treatments substantiates rationale for precise therapeutic strategies selectively target infiltrating ...
150 I T IS GENERALLY appreciated that modulloblastoma, perhaps the most rapidly growing and highly malignant of all brain neoplasms, commonly involves the corebelhum and fotmrth ventricle of young children. Umifortimnatoly, the gloomy outlook for this tumor has too often spread to encompass all brain tumors in childhood and overshadow the fact that cerebollar astrocytoma, a tuITlO at the opposi...
Adenoid cystic carcinoma is a rare malignant neoplasm of the salivary gland. Salivary gland neoplasms constitute 3% cancers all sites, which, 10–15% are malignant. Though adenoid most common tumor submandibular, sublingual and minor glands, it accounts for only 15% parotid cancers. They generally slow-growing spread relentlessly to adjacent structures. Hematogenous more than lymphatic spread, s...
Despite being long lived, anthracyclines remain the "evergreen" drugs in clinical practice of oncology, showing a potent effect in inhibiting cell growth in many types of tumors, including brain neoplasms. Unfortunately, they suffer from a poor penetration into the brain when intravenously administered due to multidrug resistance mechanism, which hampers their delivery across the blood brain ba...
INTRODUCTION Post-stereotactic radiation-induced neoplasms, although relatively rare, have raised the question of benefit regarding CyberKnife® treatments versus the risk of a secondary malignancy. The incidence of such neoplasms arising in the nervous system is thought to be low, given the paucity of case reports regarding such secondary lesions. CASE PRESENTATION Here we describe a case of ...
Rationale and Objectives. Treatment of brain neoplasms can greatly benefit from better delineation of bulk neoplasm boundary and the extent and degree of more subtle neoplastic infiltration. Magnetic resonance imaging (MRI) is the mary imaging modality for evaluation before and after therapy, typically combining conventional sequences with mo advanced techniques such as perfusion-weighted imagi...
We present the clinical, anatomic, and MR imaging findings in six patients with seven primary trochlear nerve neoplasms, as well as the MR and clinical criteria that serve to establish the diagnosis of these rare cranial nerve neoplasms. Three patients had a history of neurofibromatosis and five patients had clinical evidence of a trochlear nerve palsy. Six of seven neoplasms produced localized...
MR of intracranial epidermoid tumors: correlation of in vivo imaging with in vitro 13C spectroscopy.
We analyzed the MR findings of five patients with benign intracranial epithelial tumors, commonly called epidermoids. The neoplasms were categorized into two groups on the basis of T1-weighted MR signal intensity (relative to brain): high-signal-intensity masses (short T1) and low-signal-intensity masses (long T1). Surgical specimens were obtained and analyzed by means of 13C MR spectroscopy. E...
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