هدف از این مطالعه ارزیابی اثرات تضعیف cns ناشی از تجویز خوراکی کتامبن به تنهایی و توام با محلول خوراکی لورازپام در سگ بود.در این مطالعه 9 قلاده سگ انتخاب شدند . درفاز اول ، دارو کتامین (mg/kg80 ,40,20) به صورت خوراکی ودر فاز بعدی کتامین بصورت توام با محلول خوراکی لورازپام (کتامین 20mg/kg)و لورازپام(8 mg/kg)، (کتامین 40 mg/kg) و لوراپام (4 mg/kg) ، کتامین (80mg/kg ) و لورازپام (2mg/kg) به سگ ها ...

tumors of the central nervous system (cns), occur relatively frequently during the early years of life. they are the most common solid tumors of childhood and are second only to leukemia in overall cancer incidence and account for a high proportion of deaths. in different studied performed in several countries, astrocytomas and other gilomas (combined) account for half of the cns malignancies, ...

background: central nervous system (cns) relapse in acute lymphoblastic leukemia was significantly decreased due to the use of new chemotherapyeutic agents, intrathecal chemotherapy and cranial irradiation. the purpose of this study was to compare the effectiveness of intrathecal (it) cns chemotherapy alone versus combination of it chemotherapy with cranial irradiation for prevention of cns rel...

thrombin is a multifunctional enzyme which has key roles in coagulation cascade and inflammatory events. the pro-inflammatory functions of thrombin occur by different mechanisms including increasing mast cell degranulation, up-regulating the expression of cell adhesion molecules (cams) and promoting the secretion of inflammatory chemokines and cytokines. dysregulated signaling functions of thro...

neurocysticercosis, is the infection caused by the larval form of the tapeworm taenia solium. it is considered as the most common parasitic disease of the central nervous system and the most common cause of acquired epilepsy. this has primarily been a disease that remains endemic in countries with poor economy , but because of increased migration neurocysticercosis is being diagnosed more frequ...

abstract objective tumors of the central nervous system constitute the largest group of solid neoplasms in children and are second only to leukemia in their overall frequency during childhood. the main purpose of the present study is to determine the incidence, age, sex, location and histological diagnosis of cns tumors in children, less than 15 years of age, in the mofid children's hospital, i...

crush preparation cytology technique was used during the operative procedure for the diagnosis of 199 cns tumors. this technique is simple, easy to perform, rapid, and inexpensive. the cytomorphologic findings were excellent and helped achieve a rapid and correct diagnosis. this technique was used on the tiny, small specimens which were not suitable for frozen sectioning. the results were compa...