Incarcerated indirect ovarian inguinal hernia in female infants: a case report

  • Lin Yixia ,
  • Lin Suibin
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  • Department of Obstetrics and Gynecology, Zhangpu County Hospital, Zhangpu 363200, China

Received date: 2020-04-30

  Online published: 2020-09-25

Copyright

Copyright reserved © 2020

Abstract

Ovarian hernia mainly occurs in infants, which is considered as an infant emergency. It is likely to misdiagnose or miss the diagnosis due to atypical symptoms and signs. In this article, one female 2-year-old infant diagnosed with ovarian hernia was reported. She was admitted to Zhangpu County Hospital due to “left groin tumor complicated with pain” for 2 d. According to clinical symptoms and color Doppler ultrasound, she was diagnosed with left incarcerated indirect ovarian inguinal hernia. After no contraindication was found, left incarcerated indirect ovarian inguinal hernia was successfully separated and repaired. The ovary was successfully preserved intraoperatively. She was diagnosed with left incarcerated indirect ovarian inguinal hernia. Infants with indirect inguinal hernia are prone to incarceration, which could be the ovaries in the female infants. Ovarian incarceration and necrosis significantly affect the female. Therefore, it is extremely important to deliver early diagnosis and timely surgery to preserve the ovary safely and effectively.

Cite this article

Lin Yixia , Lin Suibin . Incarcerated indirect ovarian inguinal hernia in female infants: a case report[J]. JOURNAL OF NEW MEDICINE, 2020 , 51(9) : 724 -726 . DOI: 10.3969/j.issn.0253-9802.2020.09.017

腹股沟疝是婴幼儿常见病,发病率约0.8% ~ 4.4%[1]。与男性患儿相比,女性患儿腹股沟疝较少见[2]。女性患儿腹股沟区肿块是较常见的急症,因症状及体征不典型,容易导致误诊和漏诊,延误临床的早期治疗。婴幼儿腹股沟疝最常见的并发症是嵌顿疝,即腹腔器官疝入后不能自行复位而停留在疝囊内,女性患儿的疝内容物可为卵巢,如发生嵌顿可致卵巢缺血坏死,因此,早诊断、及时手术可避免卵巢嵌顿坏死,对其预后极为重要[3]。现将我院2020年2月26日收治的1例女性婴幼儿卵巢疝病例报告如下。

病例资料

一、病史及相关检查

患儿女,2岁,因“家属发现其左侧腹股沟肿物伴疼痛2 d”于2020年2月26日入我院。入院前2 d患儿左侧腹股沟区出现一肿物,不能被回纳,伴疼痛、哭闹,无肛门停止排气、排便,无恶心、呕吐,无弥漫性腹痛,无畏寒、发热,无血便,曾于私人诊所接受药物保守治疗,无好转(具体不详),遂转至我院就诊。急诊行彩色多普勒超声检查(彩超)提示:左侧腹股沟区混合回声包块,考虑腹股沟疝,不能排除卵巢疝。门诊拟“左侧嵌顿性腹股沟斜疝(左卵巢嵌顿疝?)”收入院。患儿足月顺产出生,平素身体健康,个人史及家族史无特殊。
入院时体格检查:体温36.3℃,脉搏120次/分,呼吸20次/分,血压85/56 mm Hg (1 mm Hg = 0.133 kPa)。神志清晰,发育正常,营养良好,自主体位,步行入院,查体合作,全身皮肤黏膜无皮疹、红斑,浅表淋巴结未触及,头颅、眼、耳鼻、口未见异常,胸廓对称,双肺呼吸运动正常,触诊语颤正常,无胸膜摩擦感,叩诊呈清音,听诊呼吸音清,未闻及干湿啰音。心前区无隆起,心尖搏动正常,叩诊心界无扩大,听诊心率120次/分,心律整齐,心音正常,未闻及病理性杂音。腹部视诊外形正常,腹肌软,无压痛、反跳痛。专科体格检查:立位,左腹股沟内可触及一大小约5 cm×4 cm的柄蒂状肿物,部分坠入阴唇,表面光滑,质硬,压痛,无波动感、红肿,不能被回纳;平卧位,向外环方向压迫肿物不缩小,指诊未触及外环。
实验室及辅助检查:血常规、肝肾功能、电解质正常。彩超示:左侧腹股沟区探及一混合回声包块,范围约39 mm×15 mm,边界清,内回声不均匀,可见液性无回声区有一低回声区,低回声区大小约20 mm×12 mm,包块随腹压增大变化不明显,考虑腹股沟疝,不能排除卵巢疝。

二、诊疗过程

完善相关检查,明确患儿无手术禁忌证,患儿监护人签署手术知情同意书,于急诊全身麻醉下对患儿实施“左侧嵌顿性腹股沟斜疝松解+修补术”,于左腹股沟韧带中点上方2横指顺皮纹做一横形切口,约4 cm长,逐层切开皮肤、皮下组织,显露腹外斜肌腱膜及外环,将皮下组织从腹外斜肌腱膜表面推开,内达腹直肌前鞘,外至腹股沟韧带,在外环外上方找到疝囊,疝囊大小约4 cm×3 cm,疝囊与疝周组织粘连,剪开疝囊后见左侧卵巢膨出嵌顿,未见坏死,水肿明显,血运正常,松解内环,将其还纳,用血管钳提起疝囊,将疝囊与子宫圆韧带及其周围组织分开,可见疝囊颈部位于腹壁下动脉外侧,继续剥离疝囊壁直至疝囊颈部,可见腹膜外脂肪,在疝囊颈部用4号丝线内荷包缝合高位结扎,远端疝囊组织予以旷置,用4号丝线缝合腹外斜肌腱膜及腹股沟韧带,创面止血,逐层缝合,见图1。术中诊断:左侧嵌顿性腹股沟斜疝(左卵巢嵌顿疝)。
图1 女性婴幼儿腹股沟卵巢嵌顿斜疝一例手术图

白箭头:术中所见嵌顿膨出的卵巢

三、术后转归

术程顺利,患儿术后无腹痛、腹胀,无恶心、呕吐,无发热,进食正常,大小便正常,活动可,手术切口愈合好,术后第2日出院。1个月后复查情况良好。随访至撰稿日(2020年4月),患儿情况良好。

讨论

卵巢疝是一种少见的疾病,腹股沟卵巢疝是由卵巢通过腹股沟内环口进入腹股沟管形成,常发生于单侧,双侧少见,常见于婴幼儿[4,5]。腹股沟卵巢疝主要发病原因为腹膜鞘状突出生后未自行闭合,加之婴幼儿腹壁肌肉薄弱,不能对内环口起到较好的封闭阻挡作用,且可能与婴幼儿腹股沟管较短细、垂直走行、卵巢悬韧带过长有关,当婴幼儿经常啼哭造成腹内压增高时,卵巢有可能会沿未闭合的鞘状突突出至腹壁外而发病。婴幼儿卵巢嵌顿疝是小儿外科急症,表现为卵巢进入疝囊后不能自行复位,卵巢受到内环口压迫导致其血液循环出现障碍,甚至会因血液循环完全中断而致其缺血坏死,对女性患儿的健康造成极大的危害。因其症状及体征不典型,临床上容易误诊和漏诊,尽早明确诊断后及时行手术是治疗本病的关键,对安全有效保留卵巢起积极作用。
男性患儿腹股沟斜疝如发生嵌顿,疝内容物多为肠管,常有消化道梗阻的表现,易引起重视,而女性患儿疝内容物可为卵巢、输卵管及子宫等,可无消化道梗阻的症状,且婴幼儿不能具体表述症状,容易被忽视而导致误诊、漏诊。本例患儿即是在疼痛发生2 d以后才被其父母重视而到医院就诊,所幸尚未发生卵巢坏死,成功保留了卵巢。
卵巢疝在临床上较难确诊,超声有助于快速、准确地诊断该病[6]。本例患儿即由彩超提示卵巢疝的可能,及时进行了手术,成功保留了卵巢。因此,女性婴幼儿出现腹股沟区肿物时,一定要结合病史、彩超、MRI等辅助检查尽早明确诊断,及时手术,有条件的医院首选腹腔镜手术,无条件的医院在遇到卵巢嵌顿疝等急症时也应及时行开放手术,以避免卵巢缺血坏死,造成不可逆的严重后果[7,8]。术者在术中应注意及时还纳尚未缺血坏死的卵巢,避免损伤卵巢组织,影响女性卵巢功能,术后应叮嘱家属于3个月内避免患儿出现腹部用力过度的情况,减小腹压,以避免疝复发。
综上所述,卵巢疝较少见,因其症状及体征不典型,临床上容易误诊和漏诊,且卵巢嵌顿疝极易发生缺血坏死,因此,临床医师遇到女性患儿腹股沟区肿物时应提高警惕,结合患儿病史、体格检查及超声、MRI等辅助检查尽早明确诊断,及时手术,术中应避免损伤卵巢,安全有效地保留卵巢,降低切除卵巢的风险。
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