Neuropathology You may click on the specific educational entry in which you are interested to display the respective document. A blue bullet () denotes the newest entries from the 2012 Annual Meeting. General Abeta Related Angiitis (Primary CNS Angiitis Associated with Amyloid Angiopathy) Causing a Mass Like Lesion Common Artifacts That Impede Reliable Interpretation and Cause Misdiagnosis Gliosis Versus Glioma and the Most Critical Issues in Recognizing and Grading Gliomas How to Avoid Problems in Frozen Sections Integration of Digital Image Analysis in Practical Surgical Neuropathology New Approach: Finding Practice Gaps in Surgical Neuropathology: What Do We Need to Know? Pearls from Neuropathology Consultation Practice: A Primer on Avoiding Serious Mistakes Practical Interpretation of Immunohistochemical Stains in Surgical Neuropathology Use of Radioimaging Information for Diagnosis of CNS Lesions Cysts, Non-neoplastic Cysts, Non-neoplastic Genetic/Metabolic Diseases Amyloidoma, Primary Cerebral Infectious Diseases Cerebral Phaeohyphomycosis, Due to Bipolaris Spicifera Creutzfeldt-Jakob disease (CJD) Infectious Diseases, Surgical Pathology of Meningococcemia Mycotic Cerebral Aneurysm New Methods in the Diagnosis of Old and Emerging Infections of the CNS Prion Diseases and other Neurodegenerative Diseases, Surgical Pathology of West Nile Rhombenencephalitis (confirmed by PCR testing of blood and brain) Malformations Focal Cortical Dysplasia, Taylor Type IIB Hemorrhagic Lesions, Multifocal Disruptive Malformations of Cortical Development Muscle and Nerve Diseases Mitochondrial Disease, The Burden of Proof in The Postmortem Diagnosis Of Normal Morphology Intraoperative CNS Cytology by Pattern Recognition Treatment Sequelae Sarcoma, Radiation-Induced Textiloma (Gossypiboma), Microfibrillar Collagen (Avitene)-Associated, with Eosinophilic Inflammatory Response Tumors General Brain Tumors, Whats New with Gray Zones in Brain Tumor Classification: Evolving Concepts Novel Markers in the Diagnosis of Non-glial CNS Tumors Tumors: If it Looks Like a Tumor, but it Isn't... Tumors: If it Looks Like a Tumor, but it isn't... WHO Classification Scheme for CNS Tumors: Historical Perspective Gliomas Angiocentric Glioma (Angiocentric Neuroepithelial Tumor) Angiocentric Glioma, WHO Grade I Astrocytoma, Granular Cell and Small Cell, Combined Astrocytoma, Well-Differentiated (WHO Grade II) Chordoid Glioma Critical Immunohistochemical and Genetic Makers in Glial Neoplasms Diffuse Astrocytoma, WHO Grade II, IDH1-R132H Mutation- Positive, 1p/19q Intact Diffuse Gliomas, Molecular Diagnosis of Ependymoma, Clear Cell (Anaplastic, WHO Grade III) Ependymoma, Extra-axial Ependymoma, Extra-axial Ependymoma, WHO grade II Anaplastic Ependymoma, WHO grade III Glioblastoma with Oligodendroglioma Component (GBM-O; WHO Grade IV) Glioblastoma, Epithelioid Variant Glioblastoma, Granular Cell Variant, WHO Grade IV Glioblastoma, Multifocal Gliomas, Current Concepts in the Diagnosis of (Short Course) Gliomas, Diffuse Low-Grade: is it Possible to Distinguish Oligodendroglioma from Astrocytoma? Gliomas, Diffuse, Molecular Background of Gliomas, Genomics and the New Mouse Models Synergistically Advancing Glioma Research Into the 21ST Century Gliomas, Growth Patterns: Clinical, Radiological, and Pathological Consequences of Gliomatosis peritonei (peritoneal gliomatosis) Medulloblastoma and Pilocytic Astrocytoma, Recent Advances in New Entities in Gliomas: Angiocentric Glioma and Pilomyxoid Astrocytoma Oligodendroglioma Pilomyxoid Astrocytoma, Hypothalamic-Chiasmatic Region Glioneuronal Tumors Desmoplastic Infantile Ganglioglioma (WHO Grade I) Desmoplastic Non-Infantile Ganglioglioma Glioneuronal Tumors, Expanding Family of Malignant Glioneuronal Tumor Hematopoietic Tumors CT-guided FNA Biopsy of a Brain Mass Extranodal Sinus Histiocytosis (Rosai-Dorfman Disease), Bilateral Dural Involvement Multiple Myeloma Primary Central Nervous System Lymphoma, Diffuse Large B-Cell Primary Central Nervous System Lymphoma, Diffuse Large B-Cell, With Extensive Histiocytic Reaction, Probably Secondary To Partial Remission Induced By Prolonged Steroid Administration Primary CNS Diffuse Large B-cell Lymphoma Melanocytic Tumors Melanoma, Primary CNS Neurocutaneous Melanosis (NCM) Meningiomas Meningioangiomatosis Meningioma, Clear Cell, Spinal Drop Metastasis vs. Second Primary Non-Neoplastic Mass Lesions Choroid Plexus Xanthogranuloma (Bilateral Xanthogranulomata of the Choroid Plexus Glomera Choroidea) Other Anaplastic Hemangiopericytoma, WHO Grade III Atypical Teratoid/Rhabdoid Tumor (AT/RT) Calcifying Pseudoneoplasm of the Neural Axis Calcifying Pseudotumor of the Neural Axis Embryonal Tumor with Abundant Neuropil and Ependymoblastic Rosettes Germinoma of the Basal Ganglia Neuroendocrine Tumors (NETs), Molecular Targeted Therapy for Ocular Adnexal Lymphomas, Update on the Molecular Pathology of Optic Nerve Tumors, Update on the Molecular Pathology of Paraganglioma of the cauda equina Squamous Keratinocytes, Proliferations of Peripheral Nervous System Tumors Familial Cancer Syndromes Involving the Peripheral Nervous System Peripheral Nerve Sheath Tumors - Then and Now Peripheral Nerve Sheath Tumors, Surgical and Molecular Diagnosis Schwannoma (Short Course) Sclerosing Perineurioma (PN) of the Foot, Subcutaneous, with Giant Spiral Collagen Rosettes and Ribosome-lamella Complexes PNETs Anaplastic/Large Cell Medulloblastoma Medulloblastoma Medulloblastoma, Large Cell/Anaplastic Melanotic Medullomyoblastoma Medulloepithelioma Olfactory Neuroblastoma, Intracranial Olfactory Neuroblastoma, with Glandular Differentiation Sarcoma Chondrosarcoma, Skull Base Rosette-Forming Glioneuronal Tumor of the Fourth Ventricle Sarcomas That Occur in the Orbit , Update on Molecular Mechanisms Sellar Region Tumors Increasing Diversity of Pineal and Sellar Region Tumors Pituicytoma, WHO Grade I Pituitary Adenoma, Crooke's Cell Type Pituitary Adenoma-Gangliocytoma, Immunoreactive for Prolactin and Growth Hormone Spindle Cell Oncocytoma of the Adenohypophysis