Feminine pelvic cavity cytu pathological change the CT diagnosis
REN Hongliang.Hanshou Peoples Hospital,Hunan 415900,China
[Abstract] Objective To analyze the feminine pelvic cavity pouch to occupy the position pathological change the CT performance and the distinction diagnosis. Methods To passes through 33 examples feminine pelvic cavity pouch which the surgery pathology confirmed to occupy the position pathological change to carry on the review analysis, in which comes from the ovary, the oviduct, the pelvic cavity abscess respectively is 26 examples,3 examples,4 examples. Results Bursa ovarica adenoma 12 examples (benign 9 examples,border and malignant 3 examples),ovary cyst 10 examples,ovary benign teratoma 4 examples,tubal pregnancy 3 examples,pelvic cavity abscess 4 examples,CT performance for pouch or by pouch primarily pouch solid combination block shade.The benign 30 examples,account for 90.9%,the malignant 3 examples account for 9.1%. Conclusion CT can clearly demonstrate the pouch occupies position pathological change itself and its the peripheral relations,can locate qualitatively,to the pathological change provides the reliable diagnosis value.
[Key words] feminine pelvic cavity;pouch pathological change;tomography,Xray computed
女性盆腔囊性占位病变是妇产科常见病。随着CT影像诊断的普及应用,CT已经逐渐成为医院诊断女性盆腔疾患的重要检查方法。本文回顾性分析经手术病理证实的33例女性盆腔囊性占位病变的CT表现,并指出其中误诊原因。旨在提高女性盆腔囊性病变的CT的诊断和鉴别诊断的准确性。
1 资料与方法
1.1 一般资料:收集我院2002年1月~2006年11月经手术病理证实的女性盆腔囊性病变CT资料33例。发病年龄14~75岁,平均(36.3±12.6)岁。主要临床表现:腹胀痛22例,包块17例,痛经4例,月经不规则或阴道流血3例,尿频尿急2例,无症状者体检时发现2例。
1.2 方法:CT检查采用Exel-1900全身CT扫描仪或GE CT Hispeed Dual。层厚5~10 mm,层距5~10 mm,矩阵5122,窗宽180 HU,窗位60 HU,扫描前2 h饮1%稀释的泛影葡胺800~1000 ml。扫描时保持膀胱充盈,部分病例采用阴道塞标记物。所有病例均常规平扫后再对比增强扫描,对比剂为60%的泛影葡胺或300 mgI/ml的碘海醇注射液,用量为80~100 ml。病灶巨大者做扩大范围扫描。
2 结果
2.1 卵巢囊腺瘤:12例。良性囊腺瘤9例,其中浆液性5例,黏液性4例,双侧发病2例;交界性(实为低度恶性)或恶性囊腺瘤3例,其中浆液性2例,黏液性1例。良性囊腺瘤主要表现为薄壁囊性包块,边缘光滑与周围脏器脂肪界面清晰,囊内有细分隔或囊中囊现象(图1),且小囊密度低于大囊密度,壁和分隔稍有强化,1例浆液性囊腺瘤壁可见小点状钙化,8例有CT值记录为6~81 HU;交界性或恶性囊腺瘤表现为以囊性为主的规则或不规则囊实性块影,囊壁不规则增厚,边缘毛糙,实性部分有明显强化(图2)。
2.2 卵巢良性畸胎瘤 4例。均为成熟畸胎瘤,表现为以囊性为主的不均匀混杂块影,边缘光滑,其内有脂肪和骨样组织密度(图3),典型者见脂—液平面,增强后强化不明显。
2.3 卵巢囊肿:10例。其中单纯性囊肿7例,卵泡囊肿1例,巧克力囊肿2例,单纯性囊肿和卵泡囊肿主要表现为圆形或椭圆形的囊性包块,边缘光滑,无分隔,增强后无强化(图4),1例单纯性囊肿合并感染则表现为边缘毛糙,内壁整齐的厚壁囊性包块,囊壁有强化。而巧克力囊肿则主要表现为囊壁厚薄不均的混杂密度,囊内密度较高,囊壁有强化。
2.4 输卵管妊娠:3例。表现为附件区以囊性为主的囊实性包块影,增强后呈不均匀强化,同时输卵管增粗,且子宫直肠陷凹内积液(图5)。
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