• <tr id="yyy80"></tr>
  • <sup id="yyy80"></sup>
  • <tfoot id="yyy80"><noscript id="yyy80"></noscript></tfoot>
  • 99热精品在线国产_美女午夜性视频免费_国产精品国产高清国产av_av欧美777_自拍偷自拍亚洲精品老妇_亚洲熟女精品中文字幕_www日本黄色视频网_国产精品野战在线观看 ?

    Chondrosarcoma of temporal bone: Imaging finding in a rare case report

    2021-11-02 01:04:36竇鑫劉小燕張利華
    中國典型病例大全 2021年11期
    關鍵詞:顳骨肉芽腫醫(yī)學影像

    竇鑫 劉小燕 張利華

    [Abstract]:Chondrosarcoma of temporal bone is a primary malignant bone tumor composed of chondrocytes and cartilage matrix. It is common for middle-aged and old people around 50 years old. We report CT and MRI appearances of a 64 year old man with chondrosarcoma of temporal bone that was proven by postoperative pathological examination. This article describes the imaging features of the tumor, which may help to know its characteristic of T2WI high signal, DWI low signal, ADC high signal.We further discuss disease characteristics, pathological characteristics, types, imaging features, differential diagnosis, treatment and prognosis, conclusion .

    [Key words] Temporal bone Chondrosarcoma Pathology Imaging Prognosis

    【中圖分類號】R4 【文獻標識碼】A 【文章編號】1673-9026(2021)11-02

    1.Introduction

    Chondrosarcomas are malignant tumors that occur in chondrocytes. Most of them were found in long bones, pelvis and scapula, and in the head and neck, accounting for 5% ~ 12%[1]. The primary chondrosarcomas of the skull base account for about 1.5‰[2] of all skull base tumors. However, the primary chondrosarcomas of the temporal bone are very rare.It has been suggested that chondrosarcomas arise from fetal cartilage remains or multipotent mesenchymal cells are involved in tumorigenesis[3]. This article reports the imaging features of a case of well-differentiated chondrosarcoma of the temporal bone, and literature review, in order to deepen the understanding of this disease.

    2. Case presentation

    A 64-year-old man, right ear intermittent discharge, deafness, tinnitus history 10 years, no special treatment, the main cause of intermittent headache, dizziness 20 days in hospital. Physical examination: old abscess in the right external auditory canal, occasionally a small amount of purulent leakage.

    After the hospital examination,the CT findings of the temporal bone showed that the right temporal bone and the large wing of the sphenoid bone were corroded like worms. The lesion is adjacent to the temporal lobe and extends downward to the medial pterygoid muscle.The lesion involved the right inner ear, middle ear, external auditory meatus and temporomandibular joint (Fig. 1). The MRI findings of the right temporal brain were 3.4 * 6.1 * 6.1 cm in size, T1WI low signal intensity, T2WI mixed high signal intensity, FLAIR equal/slightly high signal intensity, DWI low signal intensity, ADC high signal intensity, and enhanced scan shows significant enhancement. The lesion grew to the right infratemporal fossa and penetrated deep into the medial pterygoid muscle with destruction of bone (Fig. 2). The final diagnosis was eosinophilic granuloma of the right temporal region. Surgical findings: part of the right temporal bone was completely eroded by the lesion, part of the lesion was exposed and yellow in color. The lesion was excised in several parts, showing that the blood supply of the lesion was abundant, the petrous bone is partly eroded and a small portion of the lesion penetrates the dura and grows into the subdural space. It was found that the anterior part of the lesion was located in the infratemporal fossa, and the posterior part grew into the extradural part of the middle fossa. Postoperative follow-up: no recurrence or metastasis was observed for two years. Pathological findings: it appears as grey-red nodular broken tissue with grey-white cut surface and total volume of 7cm* 4cm * 3cm. Microscopically, a large number of chondrocytes with slightly heterogeneous nuclei are seen. Immunohistochemical: S-100(+), D2-40(+), R132H(+). Pathological diagnosis: well-differentiated chondrosarcoma of right temporal bone.

    3.Discussion

    3.1 General characteristics

    Chondrosarcomas are most common in the 40 to 70 years old[4], and some literature reports have reported that they often occur in the 50 years old or so[5], and usually occur in sphenoid fissure, occipital fissure, sphenoid scale fissure, pore fissure near oblique fissure and so on[6], the temporal bone is rare. Chondrosarcomas of the temporal bone generally grow slowly, and may not show any symptoms when the tumor mass is small in the early stage. When the tumor mass increases to a certain extent, it presents local mass swelling and corresponding structural and functional disorders [7-8], the length and wide range of lesions usually make it difficult to determine the exact primary site of the tumor. It is easy to grow into adjacent tissues, so it is easy to recur, but with less metastasis. There are no reports of distant metastasis from chondrosarcoma of the temporal bone.

    3.2 Pathological characteristics

    Chondrosarcomas were pale translucent rotten cartilage-like, light yellow fish flesh-like, gray-red nodules, lobulated masses, medium soft texture, the cut surface was mostly gray-white. Microscopically, the tumor is lobulated, with sheets of chondroid cells varying in size and shape, with mild atypia, and calcification and ossification of the stroma. Immunohistochemistry showed that both cytoplasm and nucleus of tumor cells expressed S-100, cytoplasm expressed D2-40 and Isocitrate dehydrogenase 1.

    3.3 Types

    Histologically, it can be divided into three subtypes: well-differentiated chondrosarcoma, myxoid chondrosarcoma and mesenchymal chondrosarcoma, of which the most common is well-differentiated chondrosarcoma.

    Well-differentiated chondrosarcoma consists mainly of a large number of chondrocytes, common calcification and ossification. Myxoid chondrosarcoma: because the tumor cell stroma is mainly for maid named. Mesenchymal chondrosarcoma: because the tumor is composed of short fusiform mesenchymal cells and highly differentiated chondrocytes [9] .

    3.4 Image characteristics

    CT findings: slightly low or isodensity irregular soft tissue mass with clear margin. Some of them showed calcification. Some of them were considered to be the important pathologic and imaging features of chondrosarcoma. Most of the lesions involved the skull base sutures or bone fracture joint. The surrounding bone had no sclerotic edge, and the edge was irregular. Non-uniform enhancement on the enhanced scan. The DSA examination showed no obvious blood supply artery.

    MRI findings: compared with the adjacent gray matter, T1WI showed low signal intensity, T2WI showed uneven high signal intensity, FLAIR showed equal or slightly high signal intensity, DWI showed low signal intensity, ADC showed high signal intensity, the average ADC value was about 2.1 x 10-3 mm2/ s, enhanced and delayed enhancement, TIC curve increased obviously.Some of the tumors showed rosette-like or separate enhancement due to the rich blood vessels in the periphery and septa. MRS: NAA peak was absent/very low, and the ratio of Cho peak to Cr peak is less than 1[10]

    Histopathologic basis: high signal intensity of T2 indicates that the tumor is composed of chondrocytes and cartilage matrix with long T2 relaxation time[11]. The high ADC values were presumed to be related to the presence of a large amount of mucus and cartilage matrix in the tumor, and the low density of tumor cells and the unrestricted movement of water molecules[10]. Delayed enhancement may be related to the presence of a large amount of mucin matrix within the tumor and the role of mucin in the absorption of contrast media [12].

    3.5 Differential diagnosis of eosinophilic granuloma

    Eosinophilic granuloma is a benign bone tumor-like lesion with reticuloendothelial cell proliferation. It accounts for about 60% of Langerhans histiocytes [13]. From the board, frontal bone is more common, temporal bone is rare. Eosinophilic granuloma of the temporal bone occurs at the age of 1~4 years. The ratio of males to females is approximately 2:1[14]. It is composed mainly of Langerhans cells and is infiltrated with numerous eosinophils, lymphocytes, plasma cells, and neurophils. Immunohistochemistry CD1a (+), S-100 (+)

    CT findings: the appearance of irregular perforation-like bone destruction, complete destruction of the inner and outer plates leading to oblique sign or bilateral sign [15] , the destruction scope of the outer plate is larger than that of the inner plate, the edge of the destruction area is clear and not smooth, and slightly higher soft tissue filling can be seen, the soft tissue shadow was more than skull destruction when the lesion broke through skull inner and outer plate, and it was dumbbell shape when protruded to both sides.

    MRI findings: isointense on T1WI, moderately hyperintense on T2WI, high/slightly hyperintense on Flair, medium/slightly hyperintense on DWI, mild to moderate inhomogeneous enhancement on enhanced scan, intracranial growth of the lesion, invasion and compression of the dura mater and brain tissue, meningeal tail sign seen on enhanced scan [16]. Eosinophilic granulomas are very different from chondrosarcomas by their general features and imaging findings.

    3.6 Treatment and prognosis

    As with other chondrosarcomas of the temporal bone, chondrosarcomas are not sensitive to radiotherapy and chemotherapy [4] . Therefore, surgical resection of the tumor is the main treatment. Because of its invasive growth to adjacent tissues, it is difficult to remove completely and has a high recurrence rate. In recent years, some foreign literature suggests that postoperative radiotherapy and chemotherapy can improve the local control rate [17-18] . The prognosis of the patients was related to the degree of differentiation of the tumor, and the prognosis was better in those with high differentiation; 15% of the chondrosarcomas had distant metastasis, but no distant metastasis of the chondrosarcomas of the temporal bone was reported[6]. For the first two years, physical examination, chest x-ray and pathological changes were carried out every 6-12 months, then annually. Local recurrences occur and extensive excision may be continued if resectable[19].

    4.Conclusion

    If HRCT showed multi-bone worm erosion in skull base, dot-like and flake calcification were found in different areas, and heterogeneous hyperintense lesions were found on T2WI, and the enhancement was obviously enhanced. The ADC value was about (1.96 ± 0.1) x 10-3mm2/ s [10], the ratio of Cho Peak to CR peak is less than 1, so the possibility of highly differentiated chondrosarcoma should be considered.

    REFERENCES

    [1]張伶,王振常,趙鵬飛.顳骨巖乳交界區(qū)軟骨肉瘤影像表現(xiàn)1例[J].中國醫(yī)學影像技術,2017,33(04):642.

    [2]F. Cianfriglia and A. Pompili and E. Occhipinti. Intracranial malignant cartilaginous tumours. Report of two cases and review of literature[J]. Acta Neurochirurgica, 1978, 45(1-2) : 163-175.

    [3]Arthur G G C Korten,Hans J W ter Berg,Geert H Spincemaille,Ronald T van der Laan,Antoinet M Van de Wel. Intracranial chondrosarcoma: review of the literature and report of 15 cases[J]. Journal of Neurology, Neurosurgery & Psychiatry,1998,65(1):88-92.

    [4]陳澤宇,王正敏.顳骨軟骨肉瘤1例[J].臨床耳鼻咽喉科雜志,2006(10):443.

    [5]韓朝,陳兵,遲放魯,王紓宜.顳骨軟骨肉瘤1例[J].中國耳鼻咽喉頭頸外科,2007(05):310.

    [6]Brian Neff,Robert Thayer Sataloff,Leslie Storey,Mary Hawkshaw,Joseph R. Spiegel. Chondrosarcoma of the Skull Base[J]. John Wiley & Sons, Ltd,2002,112(1):134-139.

    [7]Andrés Coca-Pelaz,Juan P. Rodrigo,Asterios Triantafyllou,Jennifer L. Hunt,Juan C. Fernández-Miranda,Primo? Strojan,Remco Bree,Alessandra Rinaldo,Robert P. Takes,Alfio Ferlito. Chondrosarcomas of the head and neck[J]. European Archives of Oto-Rhino-Laryngology,2014,271(10):2601-2609.

    [8]Phillip K. Pellitteri,Alfio Ferlito,Johannes J. Fagan,Carlos Suárez,Kenneth O. Devaney,Alessandra Rinaldo. Mesenchymal chondrosarcoma of the head and neck[J]. Oral Oncology,2007,43(10):970-975.

    [9]彭澤峰,夏宇,陳風華,蔣星軍,李學軍,楊治權,張明宇.顱底軟骨肉瘤CT、MRI與病理表現(xiàn)[J].中國醫(yī)學影像技術,2006(03):398-400.

    [10]姜夢達,劉玉,陶曉峰,李開成.高分辨率CT、常規(guī)及功能MRI對顱底低級別軟骨肉瘤的診斷價值[J].分子影像學雜志,2021,44(02):213-218.

    [11]盧紅,王健,蔡萍,黎海濤,陳偉.顱底高分化軟骨肉瘤的CT及MRI診斷價值[J].中國醫(yī)學影像學雜志,2017,25(07):501-504.

    [12]Yeom K W,Lober R M,Mobley B C,Harsh G,Vogel H,Allagio R,Pearson M,Edwards M S B,F(xiàn)ischbein N J. Diffusion-weighted MRI: distinction of skull base chordoma from chondrosarcoma.[J]. AJNR. American journal of neuroradiology,2013,34(5):1056-1061.

    [13]侯文忠,王琳琳,程敬亮,盧善明,于昭,鄧君良.骨嗜酸性肉芽腫影像學表現(xiàn)與病理學的對比研究[J].現(xiàn)代醫(yī)用影像學,2017,26(02):311-314.

    [14]Irving R M,Broadbent V,Jones N S. Langerhans' cell histiocytosis in childhood: management of head and neck manifestations.[J]. The Laryngoscope,1994,104(1 Pt 1):64-70.

    [15]馮德勇,劉丹琳,秦勇,翟軒.兒童顱骨嗜酸性肉芽腫的影像學表現(xiàn)及分型探討[J].局解手術學雜志,2014,23(01):14-17.

    [16]劉宗才,鄧奇平.單發(fā)性顱骨嗜酸性肉芽腫11例CT和MRI影像分析[J].貴州醫(yī)藥,2013,37(09):837-839.

    [17]Chowhan Amit K,Rukmangadha Nandyala,Patnayak Rashmi,Bodapati Chandra Mouliswara Prasad,Bodagala Vijaya Laxmi,Reddy Mandyam Kumaraswamy. Myxoid chondrosarcoma of sphenoid bone.[J]. Journal of neurosciences in rural practice,2012,3(3):395-398.

    [18]Nomura Tsutomu,Kobayashi Tadaharu,Shingaki Susumu,Saito Chikara. A case of chondrosarcoma arising in the temporomandibular joint.[J]. Case reports in otolaryngology,2015,2015:832532.

    [19]郭衛(wèi),邵增務,張偉濱,葉招明.軟骨肉瘤臨床循證診療指南[J].中華骨與關節(jié)外科雜志,2018,11(04):302-311.

    作者簡介: First author: 竇鑫 E-mail: 2223169080@qq.com

    Corresponding author: 張利華 副主任醫(yī)師 E-mail: hpzlhfsk@126.com

    猜你喜歡
    顳骨肉芽腫醫(yī)學影像
    醫(yī)學影像技術在醫(yī)學影像診斷中的合理運用
    《當代醫(yī)學影像誤診學》出版
    《當代醫(yī)學影像誤診學》正式出版
    顳骨扁平肥厚性腦膜瘤CT及MRI表現(xiàn)
    顳骨解剖在耳鼻咽喉科研究生教學中的作用
    對頭顱CT顳骨區(qū)重建避免二次掃描的可行性評價
    韋格納肉芽腫以慢性中耳炎首發(fā)1例
    早期多發(fā)幼年黃色肉芽腫1例
    肉芽腫性多血管炎兼結核潛伏感染者一例
    分枝桿菌感染肉芽腫體外模型的建立和驗證
    精品乱码久久久久久99久播| 午夜精品国产一区二区电影 | 国产欧美日韩精品一区二区| 久久鲁丝午夜福利片| 免费观看精品视频网站| АⅤ资源中文在线天堂| 久久精品久久久久久噜噜老黄 | 成年女人毛片免费观看观看9| 一卡2卡三卡四卡精品乱码亚洲| 亚洲精品乱码久久久v下载方式| 成人亚洲精品av一区二区| 日韩欧美国产在线观看| 国产探花在线观看一区二区| 人人妻人人看人人澡| 国产精品乱码一区二三区的特点| 日韩,欧美,国产一区二区三区 | 午夜日韩欧美国产| av中文乱码字幕在线| a级毛片免费高清观看在线播放| 久久午夜亚洲精品久久| 啦啦啦韩国在线观看视频| 日韩在线高清观看一区二区三区| 亚洲欧美日韩高清在线视频| 午夜日韩欧美国产| 欧美一级a爱片免费观看看| 色哟哟·www| 久久久精品94久久精品| 成人午夜高清在线视频| 久久久精品94久久精品| 久久久久久国产a免费观看| 免费高清视频大片| 97超视频在线观看视频| 国产亚洲91精品色在线| 深爱激情五月婷婷| 麻豆成人午夜福利视频| 91在线观看av| 国产 一区精品| 乱人视频在线观看| 久久久国产成人精品二区| 亚洲精华国产精华液的使用体验 | 亚洲成人中文字幕在线播放| 日本免费a在线| 久久久久性生活片| 免费一级毛片在线播放高清视频| 不卡一级毛片| 亚洲无线在线观看| 午夜激情福利司机影院| 国产成人一区二区在线| avwww免费| 亚洲aⅴ乱码一区二区在线播放| 国产精品久久久久久久久免| 免费av不卡在线播放| 亚洲美女视频黄频| 毛片女人毛片| 免费一级毛片在线播放高清视频| 日本与韩国留学比较| 欧美性猛交╳xxx乱大交人| 精品无人区乱码1区二区| 国产在线男女| 男人舔奶头视频| 色综合站精品国产| 99在线视频只有这里精品首页| 久久精品国产亚洲av天美| 白带黄色成豆腐渣| 成人国产麻豆网| 99久久无色码亚洲精品果冻| 亚洲在线自拍视频| 男人舔奶头视频| 嫩草影院精品99| a级毛色黄片| 搡老熟女国产l中国老女人| 自拍偷自拍亚洲精品老妇| 99热网站在线观看| 成人毛片a级毛片在线播放| 十八禁国产超污无遮挡网站| 看片在线看免费视频| 久久鲁丝午夜福利片| 国产男靠女视频免费网站| 十八禁网站免费在线| 国产精品久久久久久av不卡| 美女 人体艺术 gogo| 一本精品99久久精品77| 久久精品国产亚洲av涩爱 | 国产精品一区二区三区四区免费观看 | 亚洲精品在线观看二区| 91av网一区二区| 一级a爱片免费观看的视频| 欧美性感艳星| 九九爱精品视频在线观看| 国产精品1区2区在线观看.| 精品一区二区免费观看| 男人和女人高潮做爰伦理| 欧美一级a爱片免费观看看| 日韩欧美 国产精品| 少妇的逼好多水| 热99re8久久精品国产| 91在线观看av| 久久精品国产亚洲av香蕉五月| 亚洲精品影视一区二区三区av| 国产精品永久免费网站| 亚洲成人久久性| 色综合站精品国产| 精品久久久久久成人av| 我的老师免费观看完整版| 精品久久国产蜜桃| 男人狂女人下面高潮的视频| 欧美区成人在线视频| 丰满人妻一区二区三区视频av| 日本欧美国产在线视频| 免费av观看视频| 日本与韩国留学比较| 岛国在线免费视频观看| 精品久久久噜噜| 久久精品人妻少妇| 亚洲aⅴ乱码一区二区在线播放| 国内久久婷婷六月综合欲色啪| 成人美女网站在线观看视频| 国产高清不卡午夜福利| 国国产精品蜜臀av免费| 免费看日本二区| 国产白丝娇喘喷水9色精品| 日日撸夜夜添| 国产成人aa在线观看| 亚洲国产日韩欧美精品在线观看| 热99在线观看视频| 成人av在线播放网站| 国产亚洲精品综合一区在线观看| avwww免费| 亚洲欧美清纯卡通| 免费av观看视频| av国产免费在线观看| 在线观看午夜福利视频| 日韩欧美在线乱码| 国内揄拍国产精品人妻在线| 国产亚洲av嫩草精品影院| 成人一区二区视频在线观看| www日本黄色视频网| 亚洲五月天丁香| 亚洲av成人精品一区久久| 日韩一本色道免费dvd| 国产精品三级大全| 色av中文字幕| 日韩欧美 国产精品| 欧美性感艳星| 国产精品永久免费网站| 亚洲av中文av极速乱| 日日干狠狠操夜夜爽| 午夜久久久久精精品| 国产女主播在线喷水免费视频网站 | 亚洲精品456在线播放app| 亚洲经典国产精华液单| 亚洲无线在线观看| 亚洲av不卡在线观看| 亚洲国产高清在线一区二区三| 精品久久久久久久久av| 国产精品久久电影中文字幕| 日韩人妻高清精品专区| 欧美成人a在线观看| 国产色爽女视频免费观看| 22中文网久久字幕| 国产精品久久视频播放| 美女被艹到高潮喷水动态| 国产一区二区三区av在线 | 尤物成人国产欧美一区二区三区| 亚洲精品在线观看二区| 给我免费播放毛片高清在线观看| 成人永久免费在线观看视频| 国产精品人妻久久久影院| 99热全是精品| 在线a可以看的网站| 久久99热这里只有精品18| 亚洲av熟女| 级片在线观看| 日本免费一区二区三区高清不卡| 日韩av在线大香蕉| 天堂av国产一区二区熟女人妻| 国产午夜精品久久久久久一区二区三区 | 干丝袜人妻中文字幕| 变态另类成人亚洲欧美熟女| 亚洲性夜色夜夜综合| 蜜桃久久精品国产亚洲av| 国产免费一级a男人的天堂| 欧美一区二区亚洲| 精品一区二区三区av网在线观看| 美女大奶头视频| 免费观看的影片在线观看| 日韩在线高清观看一区二区三区| 亚洲av免费在线观看| 国产日本99.免费观看| 成年版毛片免费区| 成年女人永久免费观看视频| 亚洲第一电影网av| 国产男靠女视频免费网站| 国模一区二区三区四区视频| 久久久久免费精品人妻一区二区| 波多野结衣高清作品| 亚洲成a人片在线一区二区| 三级经典国产精品| av在线天堂中文字幕| 直男gayav资源| 国产高清视频在线播放一区| 中国美女看黄片| 国产在线男女| 亚洲自偷自拍三级| 国产单亲对白刺激| 日韩人妻高清精品专区| 美女cb高潮喷水在线观看| 亚洲国产日韩欧美精品在线观看| 天堂动漫精品| 国产精品伦人一区二区| 又粗又爽又猛毛片免费看| 69av精品久久久久久| 联通29元200g的流量卡| 丰满的人妻完整版| 久久精品国产99精品国产亚洲性色| 插逼视频在线观看| 狠狠狠狠99中文字幕| 啦啦啦观看免费观看视频高清| 亚洲国产精品sss在线观看| 亚洲婷婷狠狠爱综合网| 搡老熟女国产l中国老女人| 精品乱码久久久久久99久播| 国产精品久久电影中文字幕| 国产精品无大码| 久久午夜亚洲精品久久| 亚洲最大成人中文| 精品国产三级普通话版| 日本黄大片高清| 色5月婷婷丁香| 高清午夜精品一区二区三区 | 欧美成人a在线观看| 看黄色毛片网站| 久久久久久久久大av| 麻豆精品久久久久久蜜桃| 亚洲人成网站在线播放欧美日韩| а√天堂www在线а√下载| 啦啦啦韩国在线观看视频| avwww免费| 午夜激情欧美在线| 你懂的网址亚洲精品在线观看 | 哪里可以看免费的av片| 老师上课跳d突然被开到最大视频| 国产男靠女视频免费网站| 禁无遮挡网站| .国产精品久久| 乱人视频在线观看| 99久久精品一区二区三区| 久久婷婷人人爽人人干人人爱| 久久精品夜色国产| 两个人的视频大全免费| 亚洲精品国产av成人精品 | 插阴视频在线观看视频| 免费看光身美女| 久久久久久国产a免费观看| 尤物成人国产欧美一区二区三区| 少妇丰满av| 精品无人区乱码1区二区| av.在线天堂| 日本a在线网址| 国产av麻豆久久久久久久| 久久久成人免费电影| 国产亚洲精品av在线| 亚洲乱码一区二区免费版| 国产亚洲精品久久久com| 少妇熟女aⅴ在线视频| 国产av不卡久久| 99热这里只有精品一区| 美女免费视频网站| 亚洲成a人片在线一区二区| 亚洲一区二区三区色噜噜| 久久6这里有精品| 久久久久久久久中文| 日日撸夜夜添| 如何舔出高潮| 深夜a级毛片| 老司机影院成人| 三级经典国产精品| 亚洲aⅴ乱码一区二区在线播放| 国产精品人妻久久久久久| 日韩三级伦理在线观看| 乱码一卡2卡4卡精品| 黄片wwwwww| 99热全是精品| 日韩欧美 国产精品| 99久久无色码亚洲精品果冻| 亚洲最大成人中文| 天美传媒精品一区二区| 国产亚洲精品av在线| АⅤ资源中文在线天堂| 久久久精品大字幕| 久久中文看片网| 成年av动漫网址| 日本与韩国留学比较| 国产精品一区www在线观看| 99视频精品全部免费 在线| 男女之事视频高清在线观看| av在线亚洲专区| 亚洲精品粉嫩美女一区| 日韩大尺度精品在线看网址| 亚洲自偷自拍三级| 国产在线精品亚洲第一网站| 亚洲一级一片aⅴ在线观看| 成人亚洲精品av一区二区| 自拍偷自拍亚洲精品老妇| 乱系列少妇在线播放| 你懂的网址亚洲精品在线观看 | 欧美性猛交黑人性爽| 男女那种视频在线观看| 日韩欧美一区二区三区在线观看| 99热这里只有精品一区| 最新中文字幕久久久久| 欧美3d第一页| 日韩欧美精品v在线| 国产成人aa在线观看| 寂寞人妻少妇视频99o| 97热精品久久久久久| 亚洲最大成人中文| 一区二区三区四区激情视频 | 2021天堂中文幕一二区在线观| 午夜爱爱视频在线播放| 国内少妇人妻偷人精品xxx网站| 久久国内精品自在自线图片| 夜夜看夜夜爽夜夜摸| 一区二区三区免费毛片| 国产老妇女一区| 久久6这里有精品| 欧美人与善性xxx| 中文字幕熟女人妻在线| 国产精品不卡视频一区二区| 激情 狠狠 欧美| 小蜜桃在线观看免费完整版高清| 亚洲无线在线观看| 亚洲欧美成人精品一区二区| 淫秽高清视频在线观看| 国产精品不卡视频一区二区| 欧美一区二区亚洲| 精品少妇黑人巨大在线播放 | 免费不卡的大黄色大毛片视频在线观看 | 99久久久亚洲精品蜜臀av| 久久国内精品自在自线图片| 亚洲一区二区三区色噜噜| 国产精华一区二区三区| 色哟哟哟哟哟哟| 禁无遮挡网站| 国产免费一级a男人的天堂| 日本a在线网址| 蜜桃久久精品国产亚洲av| 国产一级毛片七仙女欲春2| 性色avwww在线观看| 变态另类成人亚洲欧美熟女| 国产成人影院久久av| 亚洲专区国产一区二区| 性色avwww在线观看| 在线a可以看的网站| 亚洲高清免费不卡视频| 国产视频一区二区在线看| av卡一久久| 黄色一级大片看看| 99久久无色码亚洲精品果冻| 三级男女做爰猛烈吃奶摸视频| 男女视频在线观看网站免费| 亚洲av二区三区四区| 色播亚洲综合网| 国内精品一区二区在线观看| av卡一久久| 婷婷精品国产亚洲av| 天天躁日日操中文字幕| 欧美最新免费一区二区三区| 一级毛片我不卡| 一级黄色大片毛片| 亚洲精品国产av成人精品 | 秋霞在线观看毛片| 日日啪夜夜撸| 国产单亲对白刺激| 最新中文字幕久久久久| 尤物成人国产欧美一区二区三区| 97超视频在线观看视频| 午夜精品一区二区三区免费看| 国产精品国产三级国产av玫瑰| 午夜久久久久精精品| av免费在线看不卡| 亚洲人成网站高清观看| 九色成人免费人妻av| 免费观看精品视频网站| a级毛片免费高清观看在线播放| 中文字幕av在线有码专区| 狂野欧美激情性xxxx在线观看| 看黄色毛片网站| 舔av片在线| 国产伦一二天堂av在线观看| av在线播放精品| 又黄又爽又免费观看的视频| 一个人观看的视频www高清免费观看| 天天一区二区日本电影三级| 亚洲高清免费不卡视频| av.在线天堂| 国产精品嫩草影院av在线观看| 午夜福利在线观看免费完整高清在 | 熟女人妻精品中文字幕| 国产男靠女视频免费网站| 欧美丝袜亚洲另类| 91av网一区二区| 人妻久久中文字幕网| 欧美日韩精品成人综合77777| 亚洲欧美精品综合久久99| 一a级毛片在线观看| 欧美高清性xxxxhd video| 精品一区二区免费观看| 黄色欧美视频在线观看| 国产精品爽爽va在线观看网站| 97超碰精品成人国产| 黄色视频,在线免费观看| 搞女人的毛片| 亚洲高清免费不卡视频| 亚洲一区二区三区色噜噜| 精品人妻熟女av久视频| 国产精品福利在线免费观看| 中文字幕免费在线视频6| 久久亚洲精品不卡| 国产在线精品亚洲第一网站| 一级毛片电影观看 | 99热6这里只有精品| 99国产极品粉嫩在线观看| 女人被狂操c到高潮| 欧美bdsm另类| 中文在线观看免费www的网站| 国产精品人妻久久久影院| 啦啦啦韩国在线观看视频| a级毛片a级免费在线| 亚洲无线观看免费| 国产成人a∨麻豆精品| 成人亚洲欧美一区二区av| 亚洲四区av| 日韩欧美 国产精品| 秋霞在线观看毛片| eeuss影院久久| 国产av一区在线观看免费| 亚洲av免费在线观看| 99久久精品一区二区三区| 成人漫画全彩无遮挡| 一个人看视频在线观看www免费| 丝袜美腿在线中文| 亚洲第一区二区三区不卡| 亚洲欧美中文字幕日韩二区| 人人妻人人澡欧美一区二区| 九九爱精品视频在线观看| 亚洲最大成人av| 国产精品99久久久久久久久| videossex国产| 精品一区二区三区视频在线观看免费| 51国产日韩欧美| 村上凉子中文字幕在线| 亚洲第一电影网av| 亚洲熟妇熟女久久| 日韩成人伦理影院| 亚洲高清免费不卡视频| 国产高潮美女av| 夜夜夜夜夜久久久久| 日韩中字成人| 国内久久婷婷六月综合欲色啪| 国内揄拍国产精品人妻在线| 天堂影院成人在线观看| 女生性感内裤真人,穿戴方法视频| 国产亚洲精品综合一区在线观看| 丝袜美腿在线中文| 欧美日韩一区二区视频在线观看视频在线 | 狂野欧美激情性xxxx在线观看| 久久精品国产亚洲av涩爱 | 在线播放国产精品三级| 亚洲18禁久久av| 欧美高清成人免费视频www| 国产黄色小视频在线观看| 亚洲av二区三区四区| 欧美色视频一区免费| 99国产极品粉嫩在线观看| 中文字幕免费在线视频6| 日韩三级伦理在线观看| 日韩成人伦理影院| 一区二区三区免费毛片| 国产乱人视频| 欧美成人精品欧美一级黄| 国内揄拍国产精品人妻在线| 久久久久久久亚洲中文字幕| 久久久精品94久久精品| 少妇熟女aⅴ在线视频| 中国美女看黄片| 国产免费一级a男人的天堂| 久久久久性生活片| 精品国产三级普通话版| 精品一区二区三区av网在线观看| or卡值多少钱| 亚洲av五月六月丁香网| 国产精品嫩草影院av在线观看| 日韩精品青青久久久久久| 一级av片app| 国产精品久久久久久精品电影| 国产色婷婷99| 噜噜噜噜噜久久久久久91| 成人永久免费在线观看视频| 久久午夜福利片| 不卡一级毛片| 日本黄色片子视频| 国产精品久久久久久精品电影| 青春草视频在线免费观看| 18禁在线播放成人免费| av天堂中文字幕网| 久99久视频精品免费| 无遮挡黄片免费观看| 内地一区二区视频在线| 免费不卡的大黄色大毛片视频在线观看 | 亚洲色图av天堂| 日本欧美国产在线视频| 亚洲精品一区av在线观看| 午夜精品国产一区二区电影 | 亚洲一区二区三区色噜噜| 国产精品一二三区在线看| 男人舔女人下体高潮全视频| 国产成人a区在线观看| 噜噜噜噜噜久久久久久91| 黄色一级大片看看| 国内精品宾馆在线| 久久欧美精品欧美久久欧美| 别揉我奶头 嗯啊视频| 十八禁网站免费在线| 国产精品亚洲美女久久久| videossex国产| 久久热精品热| 欧美极品一区二区三区四区| 亚洲av成人av| 亚洲性久久影院| 中国美女看黄片| 日韩人妻高清精品专区| 成熟少妇高潮喷水视频| 日韩三级伦理在线观看| 91狼人影院| 一区二区三区免费毛片| 中文字幕av成人在线电影| 精品午夜福利视频在线观看一区| 日日撸夜夜添| 亚洲精华国产精华液的使用体验 | 精品无人区乱码1区二区| 午夜a级毛片| 黄色欧美视频在线观看| 国产黄色小视频在线观看| 你懂的网址亚洲精品在线观看 | 一级毛片久久久久久久久女| 国产精品亚洲一级av第二区| 久久人人爽人人片av| 91av网一区二区| 国产高清三级在线| 欧美性猛交╳xxx乱大交人| 成人亚洲欧美一区二区av| 午夜激情福利司机影院| 国产蜜桃级精品一区二区三区| 18+在线观看网站| 99riav亚洲国产免费| 免费看a级黄色片| 久久久a久久爽久久v久久| 综合色丁香网| 日本黄大片高清| 亚洲av电影不卡..在线观看| 国产成人福利小说| .国产精品久久| aaaaa片日本免费| 97超视频在线观看视频| 亚洲欧美日韩东京热| 亚洲欧美日韩高清专用| 男人舔女人下体高潮全视频| 亚洲av中文字字幕乱码综合| 一边摸一边抽搐一进一小说| 亚洲美女黄片视频| 国产色婷婷99| 国产精品久久久久久av不卡| av天堂在线播放| 国产成人a区在线观看| 亚洲av熟女| 亚洲激情五月婷婷啪啪| 乱码一卡2卡4卡精品| 日本免费a在线| 日韩欧美 国产精品| 别揉我奶头 嗯啊视频| 听说在线观看完整版免费高清| 国产熟女欧美一区二区| 久久草成人影院| 精品久久久久久久久av| 免费av不卡在线播放| 日本黄色片子视频| 哪里可以看免费的av片| 亚洲专区国产一区二区| 亚洲一区高清亚洲精品| 哪里可以看免费的av片| 变态另类成人亚洲欧美熟女| 欧美丝袜亚洲另类| 免费高清视频大片| .国产精品久久| 干丝袜人妻中文字幕| 少妇的逼好多水| 小说图片视频综合网站| 成人二区视频| 国国产精品蜜臀av免费| 在线天堂最新版资源| 如何舔出高潮| a级毛片a级免费在线| 国产午夜福利久久久久久| 99热这里只有精品一区| 最近视频中文字幕2019在线8| 亚洲中文字幕一区二区三区有码在线看| 欧美成人免费av一区二区三区| 亚洲无线在线观看| 精品一区二区三区视频在线观看免费| 午夜精品国产一区二区电影 | 悠悠久久av| 精品无人区乱码1区二区| 国产一区亚洲一区在线观看| 欧美不卡视频在线免费观看|