Severe acute respiratory syndrome–coronavirus-2 (SARS-CoV-2) enters cells using the angiotensin converting enzyme 2 (ACE2), which are expressed by tract endothelium, epithelial of stomach, duodenum, ileum, rectum, cholangiocytes, and hepatocytes. Pathological examinations these organs not feasible method diagnosis but can explain pathological changes, pathogenesis disease, cause death in COVID-...

This is a pathologic study of segments of saphenous vein used as a graft between the aorta and a coronary artery in the surgical treatment of coronary atherosclerosis. Except for an occasional case with thrombotic occlusion of the graft, no lesions were observed in grafts which had been in place for less than 1 month. In each of two grafts in place for 1 month, mild fibrous thickening of the in...

Sterilization has become the single most prevalent method of family planning on an international scale. It is estimated that approximately 80 million surgical sterilization procedures have been performed since the early 195Os, and the majority of these have been female.’ The demand for female sterilization is growing, and there is a clear need for a safe and effective nonsurgical method to term...

The toxic effects of halothane on the liver, kidney, and brain are reviewed. Increasing evidence has indicated that hepatic degeneration can be induced in several animal speices after exposure to halothane. Recent electron microscopic investigations have also revealed cytological degeneration of the liver cells after chronic exposure to subclinical levels of halothane. Degeneration of the kidne...