The study includes 16 cases of Warthin's tumor in a period of 4 years (2004-2008). The tumors were diagnosed at patients of VII decade, most of them smoker. The studies of Warthin's tumor macroscopic morphological parameters allow us to establish the localization exclusive at parotid glands like solitary tumor and the tumoral volume oscillate mostly between 2-4 cm in diameter. Histopathological...

Methotrexate (MTX) as a chemotherapeutic agent, has adverse effects on reproductive organs by enhancing oxidative stress. In this study, the protective effects of Cornus mas fruit extract (CMFE) against MTX side effects were evaluated. Forty-eight mature male NMRI mice were divided into six groups: group 1 (control) received 0.10 mL per day of normal saline intraperitoneally (IP), grou...

Past attempts to grow human corneal epithelium in culture had limited success, with confluence rarely attained. This work is to determine whether different areas of human corneal epithelium grow better in tissue culture. We compared the extent, the mitotic rates, and morphology of outgrowths and histology of explants from central and peripheral human corneas in culture. Explants, 2 mm in diamet...

background and aims. several diagnostic methods are being employed to detect benign and malignant lesions, one of which is silver nitrate staining for organizer regions. the number of nucleolar organizing regions (nors) can be used to show the degree of cell activity or metabolism in pathologic lesions. this study was designed to evaluate nors as determinants of precancerous and squamous cell c...

To the Editor: Cysts of the median raphe (CMR) are uncommon lesions that result from abnormal embryologic development. In most cases, a urothelial-type or squamous epithelial lining is present, but other rarer histologic variants have been described. One of these, reported infrequently in the literature, is characterized by the presence of melanocytes and melanic pigment in the epithelial linin...

This study was carried out to investigate the histological and anatomical description of the male genital tract in Iranian Native White Roosters (IWR). The seminiferous tubules had a dense and compact organization. An average of 12 layers of cells was seen in the seminiferous tubules epithelium. The spermatogonal cell layer showed some variation between different birds in 1-3 layers; however, t...

Abstract In order to study kidney changes in, Tenualosa ilisha during migration from sea to the river, twenty mature T. ilisha specimens were collected from the Persian Gulf (42.7ppt salinity and 29.27°C temperature) and twenty specimens from Arvand River (2.3ppt salinity and 21.16°C temperature). Macroscopic observation indicated that the kidney was located retroperitoneal and attached to...

BACKGROUND Nephrotic syndrome (NS) is pathological condition characterized by heavy proteinuria. Our study investigates hypothesis that change in cell proliferation of proximal tubules influences primary cilia structure and function and promotes cystogenesis in congenital nephrotic syndrome of the Finnish type (CNF) and focal segmental glomerulosclerosis (FSGS). METHODS CNF kidneys were analy...