Medulloblastomas: Medulloblastomas (PNETs) are the most common malignant brain tumor in children (20% of all pediatric tumors) and usually occur in children between the ages of 4 and 10 years. Medulloblastomas occur more often in boys than in girls.
Acanthocyte (from the Greek word á¼ÎºÎ±Î½Î¸Î± acantha, meaning 'thorn'), in human biology and medicine, refers to a form of red blood cell that has a spiked cell membrane, due to abnormal thorny projections. A similar term is spur cells.canthocytosis can be seen in: Acute or Chronic Anemia, Hepatitis A,B,C; Hepatorenal syndrome, Hypopitutarism, Malabsorption Syndromes, Malnutrition In malnourishment, such as anorexia nervosa and cystic fibrosis, acanthocytosis remits with resolution of the nutritional deficiency.
Neutrophil granulocytes (also known as neutrophils) are the most abundant (40% to 75%) type of white blood cells in most mammals and form an essential part of the innate immune system.Functionality varies in different animals. They are formed from stem cells in the bone marrow.They are short-lived and highly motile.eutrophil granulocytes have an average diameter of 12-15 micrometers (Âµm) in peripheral blood smears. When analyzing neutrophils in suspension, neutrophils have an average diameter of 8.85 Âµm.