Case of the Week Diagnoses

M

• Malignant Fibrous Histiocytoma (pleomorphic undifferentiated sarcoma) of the Larynx
• Malignant Melanotic Nerve Sheath Tumor (MMNST)
• Malignant Peripheral Nerve Sheath Tumor (MPNST)
• Maple Syrup Urine Disease
• Maple Syrup Urine Disease
• Marchiafava-Bignami Disease
• Marchiafava-Bignami Disease
• Marchiafava-Bignami Disease
• Maxillary Sinus Squamous Cell Cancer with Involvement of 2nd Div. of left Trigeminal Nerve
• Medulloblastoma
• Medulloblastoma with Extensive Nodularity
• Medulloepithelioma of the Ciliar Body
• Megalencephalic Leukoencephalopathy with Subcortical Cysts
• Megalencephalic Leukoencephalopathy with Subcortical Cysts (MLC) 1 in an Adult
• Megalencephalic Leukoencephalopathy with Subcortical Cysts (MLC)
• Melanotic Neurectodermal Tumor of Infancy
• Meningeal Inflammatory Myofibroblastic Tumor
• Meningeal Melanocytoma
• Meningeal Melanocytosis
• Meningioangiomatosis
• Meningioangiomatosis
• Meningioangiomatosis with Associated Meningioma
• Meningitis, Ventriculitis, and Liquefaction of Periventricular White Matter (Citrobacter koseri)
• Meningovascular Syphilis
• Mesencephalic Exophytic Cavernous Malformation
• Mesenchymal Chondrosarcoma of the Neck
• Mesial Temporal Sclerosis
• Metachromatic Leukodystrophy
• Metachromatic Leukodystrophy
• Metastasic Ganglioneuroblastoma in the Orbit
• Metastatic Neuroblastoma
• Methanol Intoxication
• Methanol Intoxication
• Methanol Toxicity
• Methotrexate-Induced Neurotoxicity
• Metronidazole-Induced Encephalopathy
• Metronidazole-Induced Toxic Encephalopathy
• Middle Cerebellar Peduncle and Corticospinal tract Wallerian Degeneration Secondary to Pontine Infarction
• Middle Interhemispheric Variant of Holoprosencephaly
• Midline Craniofacial-Cerebral Dysraphism
• Midline Spinal Cord Hamartoma
• Miliary Brain Tuberculosis
• Mitochondrial Disease with Heterozygous NUBPL Mutation
• Mitochondrial Encephalopathy Lactic Acidosis and Stroke-Like Episodes (MELAS)
• Mitochondrial Encephalopathy Lactic Acidosis Stroke-Like Episodes (MELAS)
• Mixed Hearing Loss due to Aberrant Position of the Right Facial Nerve
• Morning glory disc anomaly (MGDA) with associated abnormalities
• Moyamoya Disease
• Moyamoya Disease
• Mucopolysaccharidosis Type 1 (Hurler Syndrome)
• Multifocal Glioblastoma
• Multinodular and Vacuolating Neuronal Tumor of the Cerebrum (MVNT)
• Multinodular and Vacuolating Posterior Fossa Lesions of Unknown Significance (MV-PLUS)
• Multiple cavernomas of the corpus callosum
• Multiple Intracranial Myxomatous Aneurysms
• Multiple Meningiomas in NF-2
• Multiple Nonsyndromic Schwannomas
• Multiple System Atrophy
• Multiple System Atrophy — Cerebellar Type
• Multiple System Atrophy-Parkinson Type (MSA-P)
• Murray Valley Encephalitis
• Mycotic/Infectious Aneurysm
• Myelin Oligodendrocyte Glycoprotein Antibody-associated Disease (MOGAD)
• Myeloid Sarcoma of the Cavernous Sinus – JAK2-Positive Myeloproliferative Disorder with Acute Myeloid Leukemia Transformation
• Myofibroma
• Myotonic Dystrophy (Steinert Disease)
• Myotonic Dystrophy Type 1
• Myxopapillary Sacrococcygeal Ependymoma