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Cyclooxygenase (COX), an enzyme essential for prostaglandin biosynthesis, has two isoforms, COX-1 and -2. We investigated temporal and spatial changes in localization of these two COX proteins and mRNAs after excisional injury in rat skin. We also quantified the expression of these proteins and studied the effects of a specific COX-2 inhibitor on healing.(More)
Hypoxia is a critical and sometimes fatal complication of anesthesia. Since there is little information on the cardiovascular response to hypoxia during epidural anesthesia, we assessed the effects of epidural anesthesia on the cardiovascular response to hypoxia and on survival in dogs. We randomly assigned 36 mongrel dogs to one of three groups according(More)
BACKGROUND There is little information on the cardiovascular response to marked hypercapnia during epidural anesthesia (EA). Our objective was to assess the potential modifying effects of various levels of EA on this response. METHODS We randomly assigned 48 mongrel dogs anesthetized with halothane (0.5%) to one of four groups: control (n = 12), receiving(More)
We describe a case of an 82-year-old Japanese woman with basal cell carcinoma (BCC) on the leg with secondary chronic lymphedema due to treatment for uterine cancer. Sparse tumor nests with remarkable edema of the dermis in the nodule appeared to be influenced by the chronic lymphedema. However, it remains inconclusive whether or not the tumorigenesis of(More)
Hobnail hemangioma is a small, solitary, benign vascular tumor that shows a biphasic histological pattern of dilated vascular spaces in the superficial dermis and narrow vascular structures in the deeper dermis. In the superficial dermis, dilated, irregular, thin-walled vascular spaces are lined by plump endothelial cells with large nuclei which protrude(More)
We herein describe a patient we encountered in whom mediastinal lymph node metastasis of lung cancer with an unknown primary lesion was complicated by both an endocrine abnormality and acanthosis nigricans. A 66-year-old male visited a local hospital and was diagnosed as having acanthosis nigricans. The patient was referred to our hospital for further(More)
A 43-year-old woman presented with a persistent high fever of 39 degrees C and edematous erythema accompanied by pustules on the face, trunk and extremities. Conjunctivitis and nodules were also observed in the right eye. On the basis of the clinical symptoms and histopathological findings. Sweet's syndrome was diagnosed. Eruptions quickly progressed to(More)