AIMS To compare commercially available Ki-67 equivalent antibodies with regard to qualitative and quantitative immunohistochemical staining characteristics. METHODS The following antibodies were used: monoclonal MIB-1 (Immunotech), monoclonal MM1 (Novocastra), polyclonal NCL-Ki-67p (Novocastra), and polyclonal Rah Ki-67 (Dako). All immunostainings were evaluated in squamous epithelium from fo...

There is some disagreement in the literature about the tumour affinity and tumour specificity of gallium-67 (6VGa). The present investigation showed good uptake of 67Ga in most cases of bronchial carcinoma, but some uptake of 67Ga was also found in 30% of those with non-malignant lung lesions. There was no relationship between the uptake of 17Ga and the histo-logical type of bronchial carcinoma...

Proficiency testing (PT), recognized as a quality-assurance (QA) and quality-improvement tool, also has become the cornerstone of the Health Care Financing Administration's (HCFA) regulatory strategy under the revised Clinical Laboratory Improvement Act of 1967 (CLIA '67) and the proposed Clinical Laboratory Improvement Amendments of 1988 (CLIA '88). Use of PT as a regulatory tool corrupts it f...

L. V. Grigorenko,1,2,3 T. A. Golubkova,4 J. S. Vaagen,5 and M. V. Zhukov6 1Flerov Laboratory of Nuclear Reactions, JINR, RU-141980 Dubna, Russia 2National Research Nuclear University “MEPhI”, Kashirskoye shosse 31, RU-115409 Moscow, Russia 3National Research Centre “Kurchatov Institute”, Kurchatov sq. 1, RU-123182 Moscow, Russia 4Advanced Educational and Scientific Center, Moscow State Universi...

The air transportation system infrastructure is comprised of communication, navigation, surveillance, and air traffic management systems, and is known as the National Airspace System. This chapter describes the current very high-frequency and high-frequency modes of communication, very high-frequency omnidirectional range, distance measuring equipment, and instrument landing systems for navigat...

rectal prolapse is a relatively common disease of children and is defined as a rectal mucosa protrusion or a fullthickness protrusion (all layers) from anus. the purpose of this retrospective study is the review of different surgical techniques used in our centers and recommendations for optimal surgical management of rectal prolapse. this study was based on a 19 years experience in rectal prol...

Manuscript accepted for publication November 12, 2008. Abstract. Background. Tuberous sclerosis is an uncommon neurocutaneous syndrome characterized by the appearance of hamartomas in multiple organs. Diagnosis is based on clinical criteria. Objective. To report the clinical findings in a series of 67 patients with tuberous sclerosis. Material and methods. This was a descriptive and observation...

This review covers the literature in neuroendocrinology published during 1966 and 1967. A selected group of papers have been analyzed which, in the author's opinion, have contributed significantly to the field of neuroendocrinology during the past two years. This review is not intended to be a complete summary of the literature and the author assumes full responsibility both for the particular ...

Aortoenteric Fistula (AEF) is a rare and life threatening condition that has been challenging to diagnose and manage [1]. Early diagnosis and treatment is important to prevent fatal outcomes. While multiple diagnostic modalities have been used to help diagnose AEF, including upper endoscopy, aortogram, and Computed Tomography (CT) angiography; a high clinical suspicion and history remain of utm...