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51 Possible Causes for MRI Scan of the Brain Abnormal, Olfactory Hallucination, Rarely Malignant

  • Astrocytoma of the Brain

    They are rarely malignant but can regrow quickly. For this reason, Dr Steel performs regular MRI scans every one or two years after surgery.[] If the tumour is malignant and spreads, they rarely then spread outside of the brain to other parts of the body. Grade 3 and 4 gliomas are considered malignant tumours.[] Benign Tumours: Slow growing Distinct borders Rarely spreads Malignant Tumours: Usually rapid growing Invasive Life threatening Metastatic brain tumours Metastatic brain tumours[]

  • Olfactory Groove Meningioma

    They are typically benign, slow-growing tumors that have on rare occasion been known to undergo malignant transformation with metastasis.[] […] groove [医]溴叶沟 olfactory groove meningioma 嗅叶沟脑膜瘤 olfactory groove syndrome [医]嗅沟综合征 olfactory hair 嗅毛 olfactory hallucination [医]嗅幻觉,幻嗅 olfactory islands [医]嗅岛 olfactory[] Esthesioneuroblastoma are very rare sino-nasal malignant tumors, which can easily mimic benign tumor in the beginning of their evolution.[]

  • Malignant Glioma

    From the pathogenetic point of view, this malignant glioma is an extremely rare case that developed clinically and neuroradiologically from the cavernous sinus and was suspected[] Abstract BRAF V600E mutations occur frequently in malignant melanoma, but are rare in most malignant glioma subtypes.[] Atypical teratoid/rhabdoid tumor (AT/RT), a highly malignant brain tumor in young children, usually arises de novo and has only rarely been described as a secondary malignancy[]

  • Herpes Simplex Encephalitis

    References 1 Anti-TNF antibody therapy in rheumatoid arthritis and the risk of serious infections and malignancies: systematic review and meta-analysis of rare harmful effects[] Twelve patients (60%) had temporal lobe involvement, four patients (20%) had pure temporal lobe involvement and five patients (25%) had normal CT/MRI scans.[] Biochemistry and ChestX-raywere normal, and computed tomography (CT) scan of the brain with contrast showed multiple old small basal ganglia infarcts but no acute abnormalities[]

  • Schizophrenia

    , eg, neuroleptic malignant syndrome (NMS).[] We found perinatal pathology, cognitive deficit, and EEG abnormality in a patient with atypical initial symptoms of psychosis such as olfactory hallucinations.[] […] of the brain to check for structural abnormalities, signs of trauma and tumors can be conducted.[]

  • Temporal Lobe Tumor

    Clinicopathologic features of recurrent dysembryoplastic neuroepithelial tumor and rare malignant transformation: A report of 5 cases and review of the literature.[] hallucination’.[] […] tumor, a neurologist recommends some or all of these additional diagnostic tests: computed tomography scan (CT scan) to reveal brain abnormalities magnetic resonance imaging[]

  • Aniridia

    WAGR Syndrome is rare and stands for: (W)ilms Tumor-malignant kidney tumor that usually appears before age six (A)niridia (G)enital/Urinary abnormalities (R)etardation Glaucoma[] The radiologist was completely blinded to patient genotype when examining the MRI scans.[] Somatic loss of both alleles in kidney, or more rarely gonad, triggers tumour development.[]

  • Brain Ependymoma

    These tumors are rarely malignant. Pleomorphic xanthoastrocytoma. These tumors are most commonly seen in teens or young adults; most are benign.[] Other symptoms can include relative deafness, sensomotorny aphasia, a cerebellar ataxy, glazodvigatelny frustration, olfactory, acoustical and flavoring hallucinations, vegetative[] It usually is found in children and is rarely malignant. It may cause seizures and is usually treated by surgical removal.[]

  • Parkinson-Dementia Syndrome

    malignant form of amyotrophic lateral sclerosis (ALS).[] Auditory, olfactory, and tactile hallucinations are less common.[] Lewy body dementia – main characteristic is hallucinations (e.g. auditory, olfactory, visual, tactile, and gustatory) at the onset of disease, along with vivid dreaming, severe[]

  • Brain Compression

    Their effects may resemble those of a benign or of a malignant tumour. Lymphomas such as Hodgkin disease rarely invade the brain, although they may compress it.[] Irritation of a temporal lobe may lead to auditory or olfactory hallucinations.[] […] to detect any structural or biochemical abnormalities of the brain.[]