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n of hypercortisolism, accounts for about 1520% of the syndrome Adenoma is round or ellipse, diameter is 34cm, weight is about 40g 第十八頁(yè),共七十頁(yè)。 Adrenocortical adenocarcinoma It occurs in lower than 5% patients of cushing syndrome Patients with adenocarcinoma tend to have a more acute and progressive course and virilizing effects may predominate The bulk of tumor is larger 第二十頁(yè),共七十頁(yè)。 Micronodular adrenal disease The disease is also known as Meador’s syndrome About half of patients with this disorder have no distinctive clinical presentation other than being youngalways younger than 30 years of age, half younger than 15 years and some infants 第二十二頁(yè),共七十頁(yè)。 Massive macronodular adrenal disease 大結(jié)節(jié)性巨大腎上腺病 第二十四頁(yè),共七十頁(yè)。 典型病例 重型 cushing綜合癥 早期病例 以并發(fā)癥為主者 周期性或間歇性 第二十六頁(yè),共七十頁(yè)。 Clinical presentation1 Progressive obesity is the most mon sign. It is usually central, involving the face, neck trunk and abdomen All over the body and nervous system: weakness, change of emotion and so on The skin is atrophic, the stratum corneum is thinned, and there is loss of subcutaneous fat allowing subcutaneous blood vessels to been seen 第二十八頁(yè),共七十頁(yè)。 臨床表現(xiàn) 1 滿月臉、多血質(zhì)外貌、向心性肥胖 第三十頁(yè),共七十頁(yè)。 臨床表現(xiàn) 2 全身和神經(jīng)系統(tǒng)病癥:肌無(wú)力,常有不同程度的精神、情緒變化 皮膚表現(xiàn):皮膚薄,微血管脆性增加,易出現(xiàn)淤斑、紫紋 , 易合并真菌感染 ,有時(shí)可出現(xiàn)皮膚色素沉著 第三十二頁(yè),共七十頁(yè)。 第三十四頁(yè),共七十頁(yè)。 臨床表現(xiàn) 3 性功能障礙: 月經(jīng)減少、不規(guī)那么、停經(jīng)、痤瘡等 明顯男性化〔警惕腎上腺癌〕 代謝障礙: 脂、蛋白、糖代謝 低鉀性堿中毒 ,低鈣 骨質(zhì)疏松,傷口愈合不良,生長(zhǎng)發(fā)育延遲 第三十六頁(yè),共七十頁(yè)。 早期病例 全身情況較好 以高血壓為主 肥胖、向心性的特點(diǎn)不夠顯著 第三十八頁(yè),共七十頁(yè)。 周期性或間歇性 第四十頁(yè),共七十頁(yè)。 Laboratory examination The laboratory examination of Cushing syndrome is cortisol hypersecretion. Increased urinary excretion of cortisol and urinary 17OH Loss of rhythm of plasma cortisol, ACTH Loss of normal suppressibility of cortisol by lowdose dexamethasone 第四十二頁(yè),共七十頁(yè)。 皮質(zhì)醇分泌增多,失去晝夜節(jié)律,不能被小劑量地塞米松抑制 第四十四頁(yè),共七十頁(yè)。