Corneal Pathologic Responses The normal cornea is clear, and any alteration in clarity signifies pathology. Pathologic changes include corneal vessels, edema, pigment, crystalline deposits, inflammatory cell infiltrates, destruction from degradative enzymes, and scarring. Such changes are usually non-specific and incited by numerous causes. Pathologic responses can occur singularly, but more of...

the arthroscopic study of knee joint is of outstanding interest in assessment of knee complaints. the present article describes the results of arthroscopic examination of 100 patients (mean age 29.4 years 82% male) evaluated from 1996 to 1997 in imam khomeini hospital of tehran. sport injury was the most prevalent cause of referral (40%). the 2 most frequent complaints were knee pain (94%) and ...

aim : the aim of this study was to comprehensively analyze histopathologic parameters of whipple pancreaticoduodenectomy specimens at taleghani general hospital pathology department. background : the whipple procedure is performed for variety of tumors involving the head of the pancreas, ampulla of vater, common bile duct, or duodenum. patients and methods : records of all cases of whipple panc...

CONTEXT Purpose in life is associated with a substantially reduced risk of Alzheimer disease (AD), but the neurobiologic basis of this protective effect remains unknown. OBJECTIVE To test the hypothesis that purpose in life reduces the deleterious effects of AD pathologic changes on cognition in advanced age. DESIGN A longitudinal, epidemiologic, clinicopathologic study of aging was conduct...

Pregnancy is known to cause several physiological changes in the parturient. These physiological changes affect multiple organ systems including the visual system [1,2]. The ophthalmic complications are divided into physiologic and pathologic changes. Pathologic changes in pregnancy are further segregated into three categories including: first time ocular pathology during pregnancy, modificatio...