Central nervous system (CNS) neoplasms are the second most common childhood malignancy after leukemia and the most common solid organ neoplasm in children. Diagnostic dilemmas with small specimens from CNS neoplasms are often the result of multifactorial etiologies such as frozen or fixation artifact. biopsy size. or lack of knowledge about rare or unfamiliar entities. https://birdygreyers.shop/product-category/shoes/