background and objective: histological grading has prognostic and therapeutic implications in meningioma. however, histological criteria are sometimes not fulfilled to predict the biological behavior of meningiomas. p63 gene is a novel p53 family member, known as tumor suppressor factor, with multiple isoforms and shows high expression in many normal and neoplastic human tissues. in this study,...

red hot pepper is a plant that belongs to the solanaceae family and is known as capsicum annuum. capsaicin is the active ingredient of cayenne pepper. ghrelin is a hormone, which consists of polypeptide structure. ghrelin also contributes to growth hormone secretion, energy balance, food intake and body weight regulator. the aim of this study was the localization and expression of ghrelin in th...

the respiratory tract contains numerous peptides secreted from special pulmonary epithelial cells whichare called endocrine cells. the function of neuroendocrine cells is modulated by amines. serotonin has strong vasomotor and bronchomotor effects in the airway mucosa. the objective of this study was to determine presence and distribution of serotonin-positive endocrine cells in respiratory tra...

granular cell tumors are rare neoplasms of uncertain histogenesis but with a typical histologic appearance composed of cells with characteristic granular cytoplasm. these tumors occur most often in adults as an asymptomatic solitary papule or nodule. multiple granular cell tumors are rare, especially in children and teenagers. we represent a case of multiple granular cell tumors in a 19-year-ol...

background: helicobacter pylori, which is associated with many upper gastrointestinal diseases, is found in half of the population of the world. several special stains and immunohistochemistry stain for h. pylori are available. the need for and usefulness of immunohistochemical (ihc) technique has been debated for years. toluidine blue is a simple stain for microbiological studies and is easily...