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27 Ιουν 2024 · spinal cord: see spinal pilocytic astrocytoma. Microscopic appearance. The term pilocytic refers to the elongated hair-like projections from the neoplastic cells 4. The presence of eosinophilic Rosenthal fibers is a characteristic feature and hyalinization of blood vessels is also common.
Keywords: Pilocytic astrocytoma, Spinal cord, Imaging features, Prognosis. INTRODUCTION. Pilocytic astrocytomas (PAs) are World Health Organization (WHO) grade I tumors that account for approximately 25% and 1.5% of all pediatric and adult brain tumors, respectively [1,2].
Pilocytic astrocytoma is a central nervous system tumor made up of star-shaped cells in your brain. It most often affects children and adults before age 20. This tumor is low-grade, which means it’s treatable and leads to a good prognosis if detected early. Removal surgery can cure this tumor.
Primary spinal astrocytoma is a subtype of glioma, the most common spinal cord tumor found in the intradural intramedullary compartment. Spinal astrocytomas account for 6-8% of all spinal cord tumors and are primarily low grade (World Health Organization grade I (WHO I) or WHO II).
16 Μαΐ 2019 · Primary pilocytic astrocytoma (PA) of the spine is extremely rare and most published case series only include only a few patients. We attempted to explore the clinical features, radiological findings, and treatment outcomes of patients with spinal PA.
11 Φεβ 2022 · Spinal cord pilocytic astrocytomas (PAs) are rare and typically occur in pediatric patients. While PAs are often well-circumscribed and amenable to gross total resection, they sometimes harbor infiltrative components that can invade normal cord parenchyma. Methods:
18 Αυγ 2023 · Spinal pilocytic astrocytoma (PA) is a rare disorder with atypical, clinical and imaging characteristics, and generally limited to case reports. We analysed the clinical manifestations, imaging findings, treatment and prognostic follow-up of 12 patients with spinal PA admitted from January 2010 to July 2021, and reviewed the relevant literature.
