子宫恶性肿瘤的MRI诊断课件

子子宫恶宫恶性性肿肿瘤的瘤的MRI诊诊断断MRI of Uterine Malignant Neoplasm1子宫恶性肿瘤的MRI诊断1 2子子宫恶宫恶性性肿肿瘤的流行病学瘤的流行病学现现状状Epidemiology of Uterine Malignant Neoplasm子宫恶性肿瘤包括子宫颈癌、子宫内膜癌、滋养细胞恶性肿瘤、子宫肉瘤等Uterine malignant neoplasm includes cervical carcinoma,endometrialcarcinoma,uterine sarcoma and malignant trophoblastic tumor,etc.22子宫恶性肿瘤的流行病学现状2 3nnnn全球妇女恶性肿瘤发病率的第三位The No.3 female malignant tumor in the world我国妇科恶性肿瘤发病率的前两位The top two common female cancer in China女性恶性肿瘤死亡率的第二位The second mortality in female malignant tumor in China每年约有3万名妇女死于宫颈癌About 30,000 females died子子宫颈宫颈癌癌Cervical Carcinoma33n全球妇女恶性肿瘤发病率的第三位 子宫颈癌3 4nnn全球妇女恶性肿瘤发病率的第四位The fourth most common female cancer in the world每年的平均病例数是30 年前的40 倍之多The yearly average number of endometrial carcinoma is nearlyfourty times as much as those 30 years ago随着我国妇女内分泌代谢性疾病的增加，子宫内膜癌呈对数速度增长With endocrinopathy morbidity rising,the number of endometrialcarcinoma is increasing according to logarithm fashion子子宫宫内膜癌内膜癌Endometrial carcinoma44n全球妇女恶性肿瘤发病率的第四位 子宫内膜癌4 5nnn占子宫恶性肿瘤的2%4%Accounting for 2 4%of all uterine malignancies占生殖道恶性肿瘤的1%Accounting for 1%of all malignancies in female reproductive tract临床罕见、恶性程度较高A very rare and high malignancy in female reproductive tract子子宫宫肉瘤肉瘤Uterine sarcoma55n占子宫恶性肿瘤的2%4%子宫肉瘤5 6子子宫恶宫恶性性肿肿瘤的瘤的临临床床检查检查方法方法Clinical examination of uterinemalignant neoplasm66子宫恶性肿瘤的临床检查方法6 7临临床床检查检查Clinical examinationp普通妇科检查：简单，但具有明显的局限性Gynecological examination:simple&limitedp分期具有主观性：3439的患者分期错误Subjectivity on its staging:34%-39%of incorrect stagingp不能全面评价肿瘤侵犯深度和盆腔淋巴结转移Difficult to identify invasive extent and lymph node metastases77临床检查7 8临临床床检查检查-细细胞学胞学检查检查Clinical examination-Exfoliative cytologic examinationn检测来源于子宫内膜、子宫颈的恶性细胞Finding malignant cells from cervix and uterine endometriumn为子宫恶性肿瘤的诊断诊断提供直接依据Providing direct diagnosis for uterine malignant neoplasmn为子宫微生物感染提供诊断依据Finding foundation for uterine microbial infectionn在肿瘤的分期上无明显价值No value on its staging88临床检查-细胞学检查8 9临临床床检查检查-阴道阴道宫宫腔腔镜镜Clinical examination-hysteroscopynnn对子宫可疑病变进行定位活检Biopsy for suspected lesion明显提高子宫体、颈部早期癌的诊断率Higher diagnostic rate of uterine and cervical cancer不能客观评价肿瘤侵犯深度和盆腔淋巴结转移Unable to evaluate invasive extent and lymphnodes metastasisaccurately99临床检查-阴道宫腔镜n对子宫可疑病变进行定位活检9 10影像学方法影像学方法-超声超声检查检查Medical image examination-Ultrasonographyppp对子宫可疑病变进行定位活检The most common screen on uterine malignant tumor经腹超声在分期上应用价值较小Trans-abdominal ultrasound with few value on staging阴式超声可明显提高子宫恶性肿瘤的分期，其阳性、阴性预测值分别约62和92Improving staging by trans-vagina ultrasound with 62%forpositive predictive value and 92%for negative predictive value1010 影像学方法-超声检查p 对子宫可疑病变进行定位活检10 11影像学方法影像学方法-CT检查检查Medical image examination-CTnnn平扫CT：子宫恶性肿瘤与子宫壁密度相似，难以显示癌肿的浸润深度和范围Non-CE CT:difficult to show tumor invasive depth and extent becauseof similar intensity between uterine tissues&malignant tissuesCT增强：子宫恶性肿瘤显示有局限性Showing uterine disease with some limitations by CE CTCT评价宫旁浸润假阳性较高，准确度仅3358Accuracy is 3358 on evaluating parametrical invasion by CTbecause of a high false-positive error1111 影像学方法-CT检查n平扫CT：子宫恶性肿瘤与子宫壁 12影像学方法影像学方法-MRMedical image examination-MRInn上世纪80年代，MRI出现并应用于子宫肿瘤的诊断MRI used in uterine diagnosis in the last 80s当时，成像时间长、图像易受呼吸、血管搏动和肠蠕动的影响、磁场强度低等缺点使其应用受限At that time,longer imaging time&imaging quality easily disturbed bybreath,vessel pause,bowel movement,low magnetic field strengt,etc.These disadvantages limited its application1212 影像学方法-MRn上世纪80年代，MRI出现并应用于 13nn随着MRI场强、梯度切换率的提高和多通道高密相控阵线圈的应用，使应用MRI技术对子宫恶性肿瘤进行准确诊断和客观评价成为可能With high-magnetic MR scanner,high-gradient switch ratio andmultiple phased array coils,it is possible to diagnose uterinemalignacy accurately and evaluate it objectively by MRIMRI因其极高的软组织分辨力，能够清晰显示子宫的组织结构和信号的细微变化，近而准确评价子宫恶性肿瘤的大小和范围Clearly displaying uterine layers,signal changes,tumor size andextent on MRI image because of it high soft tissue resolution1313n随着MRI场强、梯度切换率的提高和多通道高13 14nn肿瘤分期达到b期以上，MRI的评价准确性、阳性和阴性预测值分别可达81 95%、100、90%Above IB staging,accuracy,positive predictive value and negativepredictive value of MRI evaluation:81%-95%,100%and 90%在显示子宫恶性肿瘤宫旁浸润和淋巴结转移等方面，其敏感度、特异度均较高High sensitivity and specificity in showing parametrical invasion andlympnode metastasis from uterine malignant neoplasm on MRI1414n肿瘤分期达到b期以上，MRI的评价准确性、阳性14 15影像学方法影像学方法-PETCT检查检查Medical image examination-PEC/CTnnn是评价子宫肿瘤良恶性的最佳影像方法之一One of the best evaluations on uterine malignancy对肿瘤及周围淋巴结转移进行客观评价，其特异性高，阳性预测值约75%-100%Objective view on tumor and lymph node metastasis with 75%-100%positive predictive value昂贵的价格制约了其广泛应用Application limited by expensive costing1515 影像学方法-PETCT检查n是评价子宫肿瘤良恶性的最 16MRI在子在子宫恶宫恶性性肿肿瘤瘤诊诊断上的价断上的价值值Diagnostic Value of MRI in UterineMalignant Neoplasm1616MRI在子宫恶性肿瘤诊断上的价值16 17MRI成像的成像的优势优势Advantage of MRInnnn无损伤和辐射性No injury and radiation高的软组织分辨力和极高的敏感度High soft tissue resolution and sensitivityMRI三维成像使病灶定位更准确3D images with high accuracy in lesions检出子宫多灶性病变以及评价侵犯的范围、周围淋巴结转移区域有明显价值Identifying multiple lesions,invasive extending and lymph nodemetastasis1717MRI成像的优势n无损伤和辐射性17 18nn动态增强检查可了解病变的血流灌注情况,有助于病变性质的评价Exploring perfusion&evaluation of tumors by DCT为准确分期和临床治疗方案的制定提供可靠依据Providing accurate staging and therapy planning1818n动态增强检查可了解病变的血流灌注情况,有助于18 19子子宫宫MRI检查检查的适的适应应症症Indications of uterine MRI examinationnnnnn检出子宫隐匿性病灶、囊性病灶及多灶性病变Detecting occult,cystic and multiple lesions评价子宫恶性肿瘤的浸润范围和淋巴结转移Evaluating invasive extent and lympnode metastasis评价子宫恶性肿瘤的新辅助治疗疗效Evaluateing therapy effect确定手术适应症Determining surgical indications监测子宫恶性肿瘤的术后复发Monitoring post-surgical recurrence1919 子宫MRI检查的适应症n检出子宫隐匿性病灶、囊性病灶及 20子子宫恶宫恶性性肿肿瘤的瘤的MRI诊诊断、分期断、分期Diagnosing and Staging of UterineMalignant Neoplasm by MRI2020子宫恶性肿瘤的MRI诊断、分期20 21（一）子（一）子宫宫内膜癌内膜癌Endometrial Carcinoma2121（一）子宫内膜癌21 22子子宫宫内膜癌的内膜癌的临临床特征床特征Clinical Characters of Endometrial Carcinomann临床表现：绝经后妇女阴道不规则流血、恶臭液体及烂肉,下腹疼痛、消瘦和贫血Clinical manifestations:postmenopausal women withirregular vaginal bleeding,foul liquid,necrotic tissue,abdominal pain,weight loss and anemia好发部位：子宫底和体后壁Occurrence sites:the posterior wall of uterus and itsbottom2222 子宫内膜癌的临床特征n 临床表现：绝经后妇女阴道不规则 23扩散方式The spreading ways直接播散Direct spreading淋巴转移Lymph node metastasis血行转移Hematogenous metastasis2323扩散方式直接播散23 24子子宫宫内膜癌的内膜癌的MRI特征特征MRI Characters of Endometrial Carcinoma病变局限于内膜Lesions confined in endometrialnnnT1WI：癌肿信号稍低于内膜或与肌层信号一致T1WI:endometrial carcinoma signal is slightly lower than theendometrial signal or same as the myometrial signalT2WI：内膜局限/弥漫增厚，呈稍高信号T2WI:hyper-signal in limitations/diffuse thickening endometrial病变不强化或轻度强化，低于肌层Slightly or no enhanced contrast with a signal lower than myometrial2424子宫内膜癌的MRI特征nT1WI：癌肿信号稍低于内膜 25病变侵入肌层Invading myometrialnnn癌肿呈菜花状、息肉状突入宫腔lesions with cauliflower-like mass in the uterine cavityT2WI:低信号的结合带内出现高信号T2WI:hyper-signal in lower junctional zone增强时:肌层病变与内膜病变均呈低信号，强化的结合带不完整CE:lesion with low signals in both myometrial and endometriallayers,showing incompletely enhanced changes in the junctionalzone2525病变侵入肌层n癌肿呈菜花状、息肉状突入宫腔25 26深肌层受侵Deep myometrial invasionnn子宫各层结构消失,局部肌层出现不规则低信号病灶，肌层变薄Disappearance uterine layers with focused,irregular low-signallesions in myometrium&thinning myometrium子宫增大,盆腔内组织器官广泛受侵Enlarged uterus,diffusion involvement in pelvic tissues&organs2626深肌层受侵n子宫各层结构消失,局部肌层出现不规则低信 27nnnna:肿瘤仅局限于子宫内膜a:Tumor confined in endometriumb:子宫肌层受侵小于1/2b:invaded myometrial less than 1/2c:子宫肌层受侵大于1/2c:invased myometrial more than1/2a:宫颈内膜受侵a:invasion into cervical endometrial子子宫宫内膜癌的内膜癌的临临床分期床分期Staging of Endometrial Carcinoma采用国际妇产科联盟分期标准From International Federation of Gynecology and Obstetrics,FIGO2727na:肿瘤仅局限于子宫内膜子宫内膜癌的临床分期27 28nnnnnnb:肿瘤侵犯到宫颈基质外b:invasion into cervical stromal outsidea:附件受侵或穿出浆膜/腹腔积液细胞学()a:out of the annex or serosal invasion/peritoneal fluid cytology(+)b:阴道扩散b:the spread of the vaginac:盆腔或主动脉周围淋巴结转移c:pelvic lymph node metastasis around the aortaa期:膀胱或直肠受侵a:involvement of bladder or rectumb期:远处转移或腹部、腹股沟淋巴结转移b:distant metastasis or the abdomen,groin lymphnode metastasis2828nb:肿瘤侵犯到宫颈基质外28 29292929 30303030肌肌层层受侵小于受侵小于 Cancer Institute and31子子宫宫内膜癌内膜癌Ib 期期 55岁岁-Stageb endometrial carcinoma in a 55-year-old womanT2WIT1WIT2WI1/2LiaoningInvaded myometrial less than 1/231肌层受侵小于 Cancer Institute and31Invased myometrial more than1/2T2WI T1WI32子子宫宫内膜癌内膜癌Ic期期 40岁岁-Stage Ic endometrial carcinoma in a 40-year-old womanCE:T1WICE:T1WI肌肌层层受侵大于受侵大于1/232Invased myometrial more than1/33 Copyright 2007 by the American Roentgen Ray Society子子宫宫内膜癌内膜癌IIa期期 78岁岁-Stage IIa endometrial carcinoma in a 78-year-old woman宫颈宫颈内膜受侵内膜受侵Invasion into cervical endometrialSala,E.et al.Am.J.Roentgenol.2007;188:1577-1587T2WIT2WI3333子宫内膜癌IIa期 78岁宫颈内膜受侵Inva 34子子宫宫内膜癌内膜癌a期期-Stage a endometrial carcinoma双双侧侧卵巢受侵卵巢受侵tumor invading the ovarieshttp:/T2WIT2WI3434 子宫内膜癌a期双侧卵巢受侵T2WIT2WI34 35子子宫宫内膜癌内膜癌b期期-Stage b endometrial carcinoma肌肌层层受侵大于受侵大于1/2伴阴道伴阴道扩扩散散Deep invasion 50%of the myometrialthickness of endometrial carcinoma(arrow).The spread of the vaginaT2WI3535子宫内膜癌b期(arrow).The spread 36Riccardo et.al子子宫宫内膜癌内膜癌c期期-Stage c endometrial carcinoma肌肌层层受侵大于受侵大于1/2伴伴闭闭孔内淋巴孔内淋巴结转结转移移Deep invasion 50%of the myometrialthickness of endometrial carcinoma(arrow)and internal obturator lymph node metastasisT2WIRadiology 2004 18(10).11483636Riccardo et.al子宫内膜癌c期thic 37T2WI直直肠肠受侵受侵Involvement of rectumT2WI子子宫宫内膜癌内膜癌a期期-Stage a endometrial carcinomaT2WIT1WI3737 T2WIT2WI子宫内膜癌a期T1WI37 38Jpn Clinica lRadol 50（11）1514-1515Involvement of bladder子子宫宫内膜癌内膜癌a期期-Stage a endometrial carcinomaT2WIT2WI膀胱受侵膀胱受侵3838Jpn Clinica lRadol 50（11）151 39子子宫宫内膜癌内膜癌b期期-Stage b endometrial carcinoma宫颈宫颈受侵、腹部多受侵、腹部多发转发转移移Invasion into cervical and abdomenmetastasis3939子宫内膜癌b期39 40（二）子（二）子宫颈宫颈癌癌Cervical carcinoma4040（二）子宫颈癌40 41nnn病因:尚不清，可能与妇女性生活、生育史、生殖道病毒或细菌感染、性病、种族、地理和营养状况等相关Etiology:not clearly,maybe related with sexual life,reproductive history,reproductive tract virus or bacterial infection,sexually transmitteddiseases,race,geography and nutrition肿瘤来源:95%为宫颈鳞状上皮；5%为宫颈管腺上皮Oncology resource:95%from cervical squamous cell;5%from thecervical epithelium好发部位：鳞状上皮和柱状上皮间的移行区Ocurrence site:transitional zone between squamous epithelium andcolumnar epithelium子子宫颈宫颈癌的癌的临临床特征床特征Clinical Characters of Cervical Carcinoma4141n病因:尚不清，可能与妇女性生活、生育史、生殖道病 子宫 42nn临床表现：阴道出血是主要征象，可以是自然出血或接触性出血，合并感染时白带增多Clinical:the main symptom:vaginal bleeding with natural or contactbleeding,white discharge infection扩散方式：深部浸润、直接蔓延、淋巴转移，血行转移少The spreading:deep infiltration,direct spreading,lymph nodemetastasis,hematogenous metastasis4242n临床表现：阴道出血是主要征象，可以是自然出4243n期：限于宫颈Stage confined to the cervixa:早期镜下浸润a-Diagnosed only by microscopy;no visible lesionsa1期:微灶浸润深度小于3mm,宽度小于7mma1-stromal invasion less than 3 mm in depth and7 mm or less in horizontal spreada2期:融合性浸润，深度在3-5mm，宽度7mma2-stromal invasion between 3 and 5 mm withhorizontal spread of 7 mm or less子子宫颈宫颈癌的癌的临临床分期床分期Staging of Cervical Carcinoma采用国际妇产科联盟分期标准From International Federation of Gynecology and Obstetrics,FIGO4343n期：限于宫颈a1期:微灶浸润深度小于3mm,宽度 44b期：浸润深度5mm，宽度7mmb-visible lesion or a microscopic lesion with more than 5 mm ofdepth or horizontal spread of more than 7 mmb1期：病灶可视最大径40mmb2-visible lesion more than 4 cmn期：癌灶超越宫颈Stage involved in cervixa:癌肿未达到骨盆壁，累及阴道上部2/3a no parametrial invasion,but involved in upper 2/3 of vaginab:宫颈旁组织浸润b-parametrial invasion4444b期：浸润深度5mm，宽度7mmn期：癌灶超 45n期：癌肿累及阴道下1/3和/或达到骨盆壁Stage III-extends to pelvic wall or lower third of the vaginaa期：癌肿累及阴道下1/3a-involves lower 1/3 of vaginab期：骨盆壁累和/或肾盂积水或无功能肾B-extends to pelvic wall and/or causes hydronephrosis or non-functioning kidneyn期：癌肿累及真骨盆以外部分或累及膀胱或直肠(a)，到达远处器官(b)a-invades mucosa of bladder or rectum and/or extends beyond truepelvisb-distant metastasis4545n期：癌肿累及阴道下1/3和/或达到骨盆壁a 46464646 47474747 49http:/www.scielo.br/scielo.php?script=sci_arttext&pid=S0100 -39842007000300014&tlng=en&lng=en&nrm=iso4949http:/www.scielo.br/scielo.50nnnMRI轴位上显示为类圆形和不规则形分叶肿块MRI:a round,irregular-shaped and lobulated mass on axial MRI矢状位显示宫颈增大为桶状，宫颈管腔消失Enlarged cervix with barrel shape on sgaiggtal imagingT1WI呈等信号，T2WI呈高信号the disappearance of cervical cannel iso-signal on T1WI;hyper-signal on T2WI子子宫颈宫颈癌的癌的MRI特征特征MRI Characters of Cervical Carcinoma癌肿的MRI表现MRI Characters of lesion5050nMRI轴位上显示为类圆形和不规则形分叶肿块子宫颈癌 51nnT2WI:癌肿与正常宫颈基质低信号及宫旁脂肪间隙有良好对比T2WI:good contrast between the tumor and normal cervicalstroma with low signal¶metrial space增强动态扫描，T1WI癌肿早期强化，可清晰显示病灶的形态、边界和宫颈基质受侵犯的深度CE:obviously showing enhanced tumor with shape and rimand the depth of cervical stromal invasion5151nT2WI:癌肿与正常宫颈基质低信号及宫旁脂肪51 52癌肿侵犯深度的MRI评价Tumor invasion depth:evaluation by MRInn局限于粘膜内：浸润深度5mm，T1WI与T2WI呈中等信号，与正常粘膜接近;增强扫描可依据早期强化的癌肿清晰显示病灶的边缘及其浸润的深度Confined in mucosa:the invasion depth 5mm，宽宽度度7mmStromal invasion more than5 mm in depth and morethan7 mm in horizontal spreadT1WIT2WI5454 子宫颈癌Ib期 36岁T2WIT1WIT2WI54 55浸浸润润深度深度5mm，宽宽度度7mmStromal invasion more than5 mm in depth and morethan7 mm in horizontal spread子子宫颈宫颈癌癌Ib期期-Stage b cervical carcinomaT2WIT2WI5555浸润深度5mm，宽度7mm子宫颈癌Ib期T2WI5 56子子宫颈宫颈癌癌a期期 34岁岁-Stage a cervical carcinoma in a 34-year-old womanT2WIT2WIT2WIT1WI癌癌肿肿累及阴道上部累及阴道上部2/3involved in upper 2/3 ofvagina5656 子宫颈癌a期 34岁T2WIT2WIT2WIT1WI 57子子宫颈宫颈癌癌b期期 47岁岁-Stage b cervical carcinoma in a 47-year-old woman宫颈宫颈旁旁组织组织浸浸润润parametrial invasionT2WIT2WISala,E.et al.Am.J.Roentgenol.2007;188:1577-15875757 子宫颈癌b期 47岁宫颈旁组织浸润T2WIT2WI58子子宫颈宫颈癌癌b期期-Stage b cervical carcinoma宫颈宫颈旁旁组织组织浸浸润润parametrial invasion T2WIT2WIT2WIT2WI5858 子宫颈癌b期宫颈旁组织浸润parametrial i 59 Copyright 2007 by the American Roentgen Ray Society子子宫颈宫颈癌癌IIb期期 42岁岁-Stage IIb cervical cancer in 42-year-old womanT2WI宫颈宫颈旁旁组织组织浸浸润润parametrial invasionT2WISala,E.et al.Am.J.Roentgenol.2007;188:1577-15875959子宫颈癌IIb期 42岁T2WIT2WI59 60子子宫颈宫颈癌癌IIIa期期 45岁岁-Stage a cervical cancer in 45-year-old womanT2WI累及阴道下累及阴道下1/3extends to the lower 1/3 of vaginaT2WI6060子宫颈癌IIIa期 45岁60 61子子宫颈宫颈癌癌IVa期期 39岁岁-Stage a cervical cancer in 39-year-old womanT2WI累及直累及直肠肠extends to rectumT2WISala,E.et al.Am.J.Roentgenol.2007;188:1577-15876161 子宫颈癌IVa期 39岁T2WIT2WI61 62 Copyright 2007 by the American Roentgen Ray Society子子宫颈宫颈癌癌IVa期期-Stage a cervical cancer累及膀胱累及膀胱extends to rectum and bladderT2WISala,E.et al.Am.J.Roentgenol.2007;188:1577-15876262子宫颈癌IVa期累及膀胱 T2WI62 63（三）子（三）子宫宫肉瘤肉瘤Uterine Sarcoma6363（三）子宫肉瘤63 64nnn病因：尚不清Etiology:unclear肿瘤来源:子宫平滑肌、子宫内膜间质、血管、纤维组织Oncology Source:uterine smooth muscle,endometrial stromal,vascular,fibrous tissues病理分类：子宫平滑肌肉瘤、子宫内膜间质肉瘤、混合型同源mullerian肉瘤、混合型异源mullerian肉瘤Pathological classification:uterine leiomyosarcoma,endometrial stromalsarcoma,homologous mixed mullerian sarcoma,mixed mullerianheterologous sarcoma子子宫宫肉瘤的肉瘤的临临床特征床特征Clinical Characters of Uterine Sarcoma6464n病因：尚不清子宫肉瘤的临床特征64 65临床表现Clinical manifestationsnnnn最常见症状不规则阴道出血Common symptoms-irregular vaginal bleeding肿瘤生长过快、过度膨胀或瘤内出血坏死Excessive tumor growth,excessive swelling or bleeding andnecrosis腹痛及肿瘤的压迫症状Symptoms of oppression and pain触及腹部包块Palpable abdominal mass6565临床表现n最常见症状不规则阴道出血65 66nn生长方式：多数为弥漫性生长，与肌层分界不清，无包膜Growth:the majority of them having diffuse growth with unclearboundaries between muscular and tumor and without envelope扩散方式：直接侵犯、淋巴转移、血行转移Spreading:direct invasion,lymphatic metastasis,hematogenousmetastasis6666n生长方式：多数为弥漫性生长，与肌层分界不66 67nnnn子宫肉瘤的MRI表现无特异性No specific findings on MRI of uterine sarcoma子宫肉瘤较之其它肿瘤，体积一般较大Compared with other tumors,generally having larger volume子宫肉瘤常出血、囊变，导致癌肿信号混杂Frequent hemorrhage and cystic degeneration with mixed-signal子宫肉瘤发生深部肌内膜浸润和腹腔种植转移的几率较高Uterine sarcoma with higher probability of endometrial deepmuscle invasion and peritoneal metastasis子子宫宫肉瘤的肉瘤的MRI特征特征MRI Characters of Uterine Sarcoma6767n子宫肉瘤的MRI表现无特异性子宫肉瘤的MRI特征67 68子子宫宫肉瘤肉瘤 42岁岁-Low-grade endometrial stromal sarcoma in a 42-year-old womanT2WIT1WIRha,S.E.et al.Am.J.Roentgenol.2003;181:1369-13746868 子宫肉瘤 42岁T2WIT1WI68 69子子宫宫肉瘤肉瘤 58岁岁-High-grade endometrial stromal sarcoma in a 58-year-old womanT1WIT2WIRha,S.E.et al.Am.J.Roentgenol.2003;181:1369-13746969 子宫肉瘤 58岁T2WIRha,S.E.et a 70子子宫宫肉瘤肉瘤 20岁岁-High-grade endometrial stromal sarcoma in a 20-year-old womanRha,S.E.et al.Am.J.Roentgenol.2003;181:1369-13747070子宫肉瘤 20岁70 71结语结语Summarynn随着技术的进步，MRI在子宫恶性肿瘤的诊治领域得到了飞速的发展。目前，MRI已成为子宫恶性肿瘤分期和疗效评价的最佳手段，但在a期早期病变的诊断、分期上仍应用受限With the developement of MRI technique,it has made a rapid progressin diagnosis and staging of uterine malignant tumor.Although MRI hasbecome the best approach to evaluate uterine malignant tumor stageand therapy effect,it plays an unimportant role in stagea tumorMRI的临床应用已由形态学诊断向功能影像的方向发展，日益成为现代医学不可缺少的诊断手段和工具Clinical application of MRI has been changed from disease morphologydiagnosis to its functional image.It will gradually become anindispensable diagnostic method and tool on medicine7171 结语n随着技术的进步，MRI在子宫恶性肿瘤的诊治领域得 72n如何将MRI领域的最新技术，特别是功能成像，应用于子宫恶性肿瘤的早期诊断、准确分期和客观疗效评价，推动子宫恶性肿瘤治疗的进步，是我国影像医学工作者近期面临的重要课题How to apply advanced MRI technique,especially functional image,foruterine malignant tumor to provide its early diagnosis,accurate stagingand objective therapy information and to promote the therapy level onuterine tumor has been important for radiologists7272n如何将MRI领域的最新技术，特别是功能成像，应用72 73Thank you for yourattention！7373Thank you for your73