肾上腺有肿瘤大约2.5cm

2025-02-14 04:23:26
推荐回答(1个)
回答1:

肾上腺肿瘤
【概述】
肾上腺肿瘤(tumors of the adrenalgland)可分为皮质和髓质肿瘤二大类。实际上,肾上腺皮质及髓质是不同的内分泌腺。肾上腺髓质细胞来自神经嵴,而皮质细胞来自内脏中胚层。一般内分泌腺体,过多的内分泌量可来自腺体增生、良性腺瘤或腺癌。
1.肾上腺皮质腺瘤 肾上腺皮质腺瘤(adenoma of the adrenal cortex)在小儿偶可见到小的皮质结节,常不引起临床内分泌紊乱症状,仅为尸体解剖时发现,组织学检查小的结节内含似网状带的肾上腺皮质细胞。
大的腺瘤直径为2~10cm,棕巧克力色,有完整包膜,圆形、椭圆或分叶状,可有出血、坏死。镜下肿瘤包膜可有浸润,但不说明是恶性的,含有多角形细胞,嗜伊红细胞浆内有小的中性脂肪粒,其细胞核较大,核仁清楚。细胞排列成柱状,包绕有薄壁毛细血管及纤维束。
大的腺瘤,当细胞呈多形性且有浸润时不易与肾上腺皮质癌相区别,后者肿瘤内出血、坏死常更广泛。
2.肾上腺皮质癌 北京儿童医院1956~1979年共收治4例肾上腺皮质癌(carcinomaof the adrenal ortex),女性3例、男性1例。文献上肾上腺皮质癌也多见于女性,该4例年龄均在4岁以内。
肾上腺皮质癌常较大,呈黄或粉白色,有包膜,常见坏死组织,质脆。镜下由于细胞浆少故似神经母细胞,核深染,多见分裂像。肾上腺皮质癌的细胞核较神经母细胞瘤者更圆而大,有显著的核仁。
肺是肾上腺皮质癌的好发转移部位,而少侵及区域性淋巴结。
由于肾上腺皮质癌以分泌糖皮质类固醇及雄激素为多见,故我们所见4例均有皮质醇增多症(柯兴综合征)及肾上腺性征异常症(男孩的性早熟及女孩的男性化)的混合表现。肥胖主要表现在面及躯干,而四肢并无过多脂肪。颜面圆满紫红。由于下颏及锁骨上有大量脂肪,颈部显得很短。有乏力、声音低沉、毛发增多和高血压。男孩的阴茎增大,睾丸及前列腺发育正常;女孩有阴蒂肥大和肌肉过于发达。
腹部检查时,于上腹季肋部一侧可触及坚硬而固定的肿块。X线静脉肾盂造影,可见肾脏因受肿瘤压迫向外下侧移位。嗜酸性白细胞计数降低,尿内17-羟皮质类固醇增高。腹部超声及CT检查更可协助定位诊断。
尽早手术切除肿瘤,经腹腔入路,手术前后应补充皮质类固醇以预防肾上腺皮质功能不足。二氯苯二氯乙烷(Orthro,Dara'-Dichloro diphenyl dichloro ethane,o,p'-DDD),毒性大,只拮抗肾上腺皮质功能亢进症状而不能控制肿瘤生长。如术中肿瘤未能完整切除,术后应加放疗。

第一:诚心的听大夫的意见
第二:应当相信科学与医生的医术
第三:虽然人有两个肾,可是如果有别的方法治疗的话,还是不要切除的好,多去几家大型的医院里做一下检查与咨询

肾上腺:肾上腺皮质部分泌多种激素的总称。根据动物实验和对肾上腺机能障碍病人的临床观察,知道肾上腺皮质分泌着与机体生命活动有重要关系的两大类激素,即盐皮质激素和糖皮质激素,同时还分泌少量性激素。盐皮质激素对人体起着保钠、保水和排钾的作用,在维持人体正常水盐代谢、体液容量和渗透平衡方面有重要作用。糖皮质激素类包括可的松(皮质素)和氢化可的松(皮质醇)等。这类激素对糖、蛋白质和脂肪代谢都有影响,主要作用是促进蛋白质分解和肝糖原异生。当食物中糖类供应不足(如饥饿)时,糖皮质激素分泌增加,将促进肌肉和结缔组织等组织蛋白质的分解,并抑制肌肉等对对氨基酸的摄取和加强肝糖异生,还促进肝糖元分解为葡萄糖释放入血以增加血糖的来源,血糖水平得以保持,使脑和心脏组织活动所需的能源不致缺乏。作为药物使用,大剂量的糖皮质激素有抗炎、抗过敏、抗毒素作用,有抗休克和抑制免疫反应等作用,故医学上应用广泛,但也有不可忽视的副作用。正常成人,肾上腺皮质还分泌少量性激素,但作用不明显。当肾上腺皮质某种细胞增生或形成肿瘤时,这些性激素(主要是雄性激素)分泌增加很多,男性患者会毛发丛生,女性患者则会表现出男性化现象

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