The use of hair dyes as a means beautification is currently increasing. This study aimed at evaluating the toxicity different commercial on histology skin and biochemical parameters liver Albino rats. was carried out in Pathology Department, University Calabar Teaching Hospital College Medical Sciences, Calabar, between May, 2019 October, 2019. Four colours were obtained from cosmetic store Wat...

Pulmonary inflammation and the development of spontaneous lung tumors are important age-related lesions in mice. Therefore, gross and histological examination of the respiratory system is a critical component of geropathology research studies for translating surrogate endpoints to clinical aging studies. Collection, trimming, and processing of lung tissue from aged mice require a high-quality s...

An endoscopic evaluation, particularly ileocolic mucosal and histological findings, is essential for the diagnosis of inflammatory bowel disease (IBD). The introduction of antitumor necrosis factor agents has changed the therapeutic paradigm of patients with IBD, but an endoscopic evaluation is more important to guide therapeutic decision-making. In the future, endoscopy with a histological eva...

Cytological samples are often the only diagnostic material available for confirmation of lung cancer (LC) diagnosis. The aim present study was to evaluate cytology-histology concordance diagnosis, histological subtyping and molecular profiling LC, determine factors which may affect sample adequacy or concordance. 118 patients with histologically cytologically confirmed LC were retrospectively s...

The aim of this study is to validate optical coherence tomography (OCT) in assessing human articular cartilage by means of histological analyses. Twenty resected human femoral head specimens were evaluated with OCT and histological analysis. OCT and histological evaluation was performed according to the Bear and the Mankin criteria. OCT grades and Mankin scores (total score and sub-score struct...

the rapid advancement of nanotechnology enables us to use nanoscale particles. this material in terms of physical, chemical and biological characteristics are unique compared to larger particles. increased cell division, apoptosis, oxidative stress has been associated with toxic effects of nano-silver. the aim of this study was to evaluate histipotological changes and enzyme activity in nanopar...

background: nowadays, there is an increase of meat and animal carcass consumption worldwide. due to the economic value of meat, the likelihood of using unauthorized tissue is possible in meat products. based on these observations, the aim of the present study was to apply morphological method for detection of unauthorized tissues in processed meat products.  methods: in this study, a total of 2...