推荐回答(5个)
在正常情况下,腹部一般摸不到脾,如果是仰卧位或者侧卧位,能摸到脾的边缘,提示脾大。脾脏增大一般是脾疾病的主要表现,哪些原因可以引起脾大?像病毒感染可以引起脾大,还有其他的传染性疾病,像立克次体感染、螺旋体感染、寄生虫感染、慢性病毒性肝炎、慢性血吸虫病、慢性疟疾、黑热病。还有其他的疾病,像肝硬化、慢性充血性右心衰竭、慢性缩窄性心包炎、特发性非硬化性门脉高压征,还有血液系统疾病、结体组织疾病、脾肿瘤,这些疾病都可以导致脾脏增大。脾脏增大对机体造成哪些影响?脾大可以引起脾功能亢进,可引起血常规的白细胞、血小板、血红蛋白下降,血红蛋白下降可以导致贫血。如果血小板减少可以引起凝血功能的障碍,轻的可以出现皮肤出血点、瘀斑。如果重的会出现消化道出血、鼻出血,甚至出现颅内出血等表现。
脾大会造成脾脏功能亢进,进而导致人体的粒细胞以及血小板数量减少,所以很容易出现感染性疾病,同时也会导致出血的发生。其次增大的脾脏还会压迫周围的器官,进而导致患者出现腹痛、腹胀、消化不良等。
脾大,也就是脾脏这个器官比正常结构要大一些,这种有可能是脾功能亢进引起的。脾脏也是一种免疫器官,如果脾脏增大,脾功能亢进,可能会出现一些免疫力低下,甚至出现脾脏爆发性感染,这些比较大的危害。当然也不排除脾脏肿瘤的可能,一般原发于脾脏的恶性肿瘤比较少见,但是也有一种叫做脾脏淋巴瘤,属于造血系统的恶性肿瘤,也会造成脾大,所以发现脾脏肿大,要明确病因,然后才能进一步治疗。如果是淋巴瘤等其他肿瘤性病变,还需要配合全身化疗以及局部放疗,介入治疗等综合治疗。
您好,正常人的脾脏从肋下不能触摸到。肝硬化时因门静脉高压,脾脏血液回流受阻,脾脏逐渐肿大,同时脾脏也发生增生性肿大。脾脏肿大,多为正常的2~3倍,肿大明显者,脾脏下缘可达到平脐或脐下水平,一般脾肿大到一定程度后就不再增大。如果上消化道大出血或通过手术后门静脉压下降,则脾脏可缩小。肿大的脾脏质地较硬、无压痛。但也有少部分肝硬化门脉高压患者始终无脾肿大。
脾功能亢进是指肿大的脾脏对血细胞产生破坏和隔离作用,血中红细胞、白细胞和血小板数量减少,一般血小在正常状态下一般摸不到脾脏,如果仰卧或右侧卧位可能触摸到脾脏边缘即可认为是脾大,近年来B超在临床的广泛应用,发现了一大批用手摸不到的“脾大”,在健康体检中B超显示脾大者约占15%左右,其中绝大部分是用手摸不到的,B超显示脾大是经过实际测量的,即是真正的大,能较早地显示脾增大,当用手能触及脾脏时,脾脏已增大到一倍以上。
引起脾大的原因有:
(1)感染性脾大。各种急、慢性感染如伤寒、副伤寒、黑热病、血吸虫病、疟疾、病毒性肝炎、败血症、晚期梅毒等.
(2)郁血性脾肿大。斑替氏综合征、肝硬化、慢性心力衰竭致心原性肝硬化、慢性缩窄性心包炎、门静脉或脾静脉血栓形成。
(3)增生性脾大。见于某些血液病如白血病、溶血性贫血、恶性淋巴瘤等。
(4)其它。脾脏恶性肿瘤较罕见、脾脏囊肿、播散性红斑狼疮、皮肌炎、结节性多动脉炎、高雪氏病等。
因脾脏大原因较复杂,除少数人为生理性外,都应在医生指导下寻找病因,并要定期复查。板减少最明显。
脾大的原因最常见的就是肝硬化。脾脏增大之后,可以出现脾功能亢进。脾功能亢进影响最重要的是白细胞、血小板降低,脾大还可以引起病人局部的胀痛不适。
你好,脾大会导致白细胞,血小板,血红蛋白降低,如果严重影响三系,就要考虑做脾切或者脾栓塞治疗,脾大一般是继发于肝病,如果是有肝病基础,要先保肝治疗
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