20xx年醫(yī)學(xué)專題—局解緒論及顱部20xx-在線瀏覽
2024-11-14 18:26本頁面
【正文】 r tooth extractions,34yearold man with diabetes mellitus, but otherwise healthy and with no previous record of drug addiction, had two molars of the upper jaw removed. Three days later he developed a swelling and redness in his left temple and periorbital region. He was tender to palpation and not able to open his left eye . His general condition was good with no fever, but C reactive protein was 301 when he was admitted to hospital 7 days after surgery. MRI scan showed an abscess located lateral to the alveolar crista of the upper jaw and upwards deep to the temporal fascia . Eye functioning was unaffected and the MRI scan did not show any orbital involvement.,第二十七頁，共七十六頁。,顱前窩anterior cranial fossa： 骨折(gǔzh233。qiāng) The cranial cavity,第二十九頁，共七十六頁。gǔ)體背面結(jié)構(gòu)包括： 鞍背、 垂體窩、 前床突、 視交叉溝、 后床突等,顱中窩: 骨折(gǔzh233。,顱后窩posterior cranial fossa,第三十一頁，共七十六頁。)與顱腔的分區(qū)：,Cerebral dura mater 幕上區(qū) 幕下區(qū),小腦(xiǎonǎo)幕,大腦(d224。,硬膜外隙(顱頂和外側(cè)區(qū))：硬膜外血腫(xu232。,小腦(xiǎonǎo)幕切跡疝,枕骨(zhěngǔ)大孔疝,疝的原因、位置、壓迫(yāp242。,第三十五頁，共七十六頁。) 主要結(jié)構(gòu)： 蝶鞍、 垂體hypophysis 鞍隔diaphragma sellae 視神經(jīng)與視交叉optic n. and chiasma 海綿竇cavernous sinus,第三十六頁，共七十六頁。i c232。,垂體與視交叉的位置(w232。n me)改變？,第三十八頁，共七十六頁。iy,毗鄰(p237。n)及穿行結(jié)構(gòu)：外側(cè)壁：III、IV、VV2 內(nèi)側(cè)壁：與垂體相鄰 竇腔內(nèi)：頸內(nèi)動(dòng)脈、VI,Oculomotor n Trochlear n Ophthalmic n Maxillary n Hypophysis Internal carotid a Abducent n,第四十頁，共七十六頁。,海綿(hǎimi225。,海綿(hǎimi225。b236。n)竇段頸內(nèi)動(dòng)脈瘤破裂,第四十三頁，共七十六頁。ngm224。)面靜脈與翼叢的交通,通過(tōnggu242。,第四十五頁，共七十六頁。教練(ji224。n)初步檢查發(fā)現(xiàn)未有頭皮破損，但顳窩有一腫塊。其左側(cè)瞳孔中度擴(kuò)大，對(duì)光反應(yīng)遲鈍。,Clinicoanatomical Problems,Which of the signs mentioned above indicate a possible cranial fracture and extradural hematoma?（上述那些表現(xiàn)提示有顱骨骨折和硬膜外血腫？） What arterial branch was most likely torn?Where is it located?（那條動(dòng)脈最可能破裂？）What type of cranial fracture is likely present?Where would the blood accumolate? （象那類顱骨骨折） If you were present at the time of injury and noted the above signs,what would you do?（如果你在場(chǎng)，你如何處理？） How do you think the neurosurgeon might remove the hematoma?（需要手術(shù)(shǒush249。,Test1 Which muscle will not be affected when mendibulary division of t
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