Microlenses and microlens arrays were formed directly on a surface of a glass plate by use of a CO(2) laser. When the surface of a glass plate is heated locally to a working point of the glass material by use of a focused CO(2) laser beam, it tends to become a hyperboloid owing to surface tension, which results in a microlens. A profile of the microlens was measured with an ultrahigh accurate three-dimensional profilometer (Model UA3P, Matsusita Electric Industrial Company Ltd.) that utilizes a specially designed atomic force microscope. An intensity profile and a spot diameter at the focus of the microlens were measured with a microscope and a CCD system utilizing a He-Ne laser as a light source. The focused spot FWHM diameter of 1.35 mum was obtained, and the modulation transfer function was derived from the spot profile. Microlens arrays were also fabricated and characterized.
Our results suggest that the parathyroid gland is not the major site of soluble Klotho production in patients with end-stage renal disease, and the production of Klotho by other organ(s) is affected by alterations in mineral metabolism or medications taken after PTx.
Abstract. Small-cell carcinoma (SCC) of neuroendocrine type is an uncommon tumor of the endometrium. no previous report has documented Cushing's syndrome due to ectopic aCTH production by SCC of the endometrium. We describe a 56-year-old Japanese woman with SCC of the endometrium and multiple lung metastases presenting as Cushing's syndrome. The patient was referred to our hospital because of general fatigue with facial and leg edema, and multiple nodular lesions in the bilateral lungs on chest X-ray examination. a physical examination revealed that the patient had moon face, buffalo hump, and truncal obesity. Endocrinological examinations confirmed ACTH-dependent Cushing's syndrome. Thoracic computed tomography imaging showed multiple nodular lesions in the bilateral lungs. abdominal magnetic resonance imaging suggested a malignant tumor of the uterus. The patient received a lung tumor biopsy and surgical hysterectomy. The endometrial carcinoma was histologically a SCC admixed with endometrioid adenocarcinoma. The SCC of the endometrium showed immunoreactivity for pro-opiomelanocortin, aCTH, and vimentin, but not for thyroid transcription factor-1. The lung biopsy specimen had the same features. These findings indicated that the SCC originated from the endometrium, and the ectopic aCTH-producing tumor caused Cushing's syndrome. This study provides the evidence that SCC of endometrial origin was an ectopic aCTH-producing tumor causing Cushing's syndrome.
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