The Use of PCNA EvaIuation of Immunohistochemistry in Choroid Plexus Tumours

نویسنده

  • AYKUT ERBENGI
چکیده

[n diagnostic iieuropathology, the histological distinctions betweeii nonn"l choroid plexus, typical aiid atypical choroid plexus papilloma aiid choroid plexus carciiioma may cause difficulties. [mmunohistocheinistry was applied for proliferatiiig cell nuclear antigeii oii 7 samples of nonnal choroid plexus, 12 typical papillomas, 10 atypical papillomas, and 3 choroid plexus carcinomas to evaluate the use of this techiiique iii differeiitial diagnoses. Significant differeiices were found in the mean proliferating cell nuclear antigen Iabelling iiidices between normal choroid plexus (1.3 ± 1.2) and typical choroid plexus papilloma (3.1 ± 2.1), typical choroid plexus papilloma and atypical choroid plexus papilloma with p values of 0.021 and 0.0013, respectively. There is also a significant difference betweeii typical and atyp i-

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

کلسیفیکاسیون فیزیولوژیک داخل جمجمه‌ای در غده پینه‌آل و شبکه کوروئید در مراجعه‌کنندگان به بخش سی‌تی اسکن بیمارستان امام رضا (ع) بیرجند در سال‌های 1376 لغایت 1385

Background and Aim: Intracranial physiologic calcification is not accompanied by any evidence of disease and has no demonstrable pathological cause. It is often due to calcium deposition in the blood vessels of different structures of the brain. Computed tomography (CT) is the most sensitive means of detection of for this calcification. The aim of this study was the assessment of the intracrani...

متن کامل

I-45: Choroid Plexus Cyst

CPCs are a relatively common finding during the second trimester sonography. when a choroid plexus cyst is identified, the presence of structural malformation and other sonographic markers of aneuploidy should be assessed with a detailed fetal anatomic survey performed by an experienced person. if no other sonographic abnormalities are present, the CPC is considered isolated. given the consider...

متن کامل

بررسی کیفی و کمی بیان پروتئین‌ آکواپورین1 در شبکه کوروئید رت نژاد سویتار

Abstract Background: Choroid plexus (CP) is a branched structure made up of a single layer of epithelial cells and blood capillaries, forming the blood-CSF-barrier. The CSF (cerebrospinal fluid) is mainly produced from the CP. Aquaporin1 (AQP1), water channels that are highly expressed on the apical side of the membrane in choroid plexus, have a major role in mediating water transport across th...

متن کامل

Multiple High Grade Rhabdoid Papillary Meningiomas Mimicking Choroid Plexus Carcinoma: A Case Report

Rhabdoid papillary meningioma is an uncommon aggressive variant of meningioma which has the potential to metastasize and spread throughout the brain and even out of the cranium. Herein, we present recurrence of the brain tumor in a 26-year-old woman. The patient had history of the surgery for two lesions in the right temporal lobe and the left cerebellopontine angle. Imaging showed three lesion...

متن کامل

اثر مصرف مورفین خوراکی بر تکوین سلول های اپاندیمی شبکه کروئیدی دستگاه عصبی مرکزی جنین موش

Background and purpose: Previous studies have shown that morphine consumption during pregnancy could delay placental and embryonic development or could cause abnormal function of nervous system. The present study evaluates the effect of oral morphine consumption on choroid plexus ependym cells of central nervous system development in Wistar rats. Materials and methods: Wistar rats (170-200...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2007