牙源性粘液瘤误诊8例分析

现将我科临床上误诊的 8例牙源性粘液瘤报告分析如下。1　临床资料本组男 5例 ,女 3例 ,年龄最小 6岁 ,最大 6 2岁 ,平均年龄2 7岁。病程最短为 3个月 ,最长为 3a。发病部位 6例发生于下颌骨 ,2例发生于上颌骨。 8例均表现为颌骨膨隆的无痛性包块 ,其中 3例伴有反复发作的牙痛 ,1例为长期不愈的牙槽窝感染 ,1例伴有鼻塞症状。误诊为造釉细胞瘤 4例 ,误诊为颌骨囊肿 2例 ,误诊为骨纤维异常增殖症 1例 ,误诊为上颌窦癌 1例。本组其中 3例采用保留下颌骨边缘的部分切除术 ,1例行下颌骨体部切除 ,自体肋骨移植修复缺损 ,1例行上颌骨次全切除术 ,…     

牙源性黏液瘤误诊2例分析

牙源性黏液瘤是一种较少见的良性肿瘤，好发生于20～30岁的女性青年，我科2003-02～2006-07误诊2例，现分析如下。     

颌骨牙源性粘液瘤的螺旋CT和MRI影像表现

目的：探究颌骨牙源性粘液瘤的螺旋CT及MRI的影像特征。 方法: 回顾性分析经病理证实的40例牙源性粘液瘤患者, 40例均行CT检查，其中11例行CT增强检查；5例行MRI检查，其中2例行MRI增强检查。观察40例的病灶部位、大小、内部结构、密度、信号、强化特点。 结果：40例中女22例（55%），男18例（45%），年龄10～66岁，平均（33.5±13.5）岁；上颌骨11例，下颌骨29例；临床表现为颌骨缓慢生长的无痛性肿块（29例 72.5%）；主要影像学表现：40例均呈膨胀性改变，2例呈局灶性骨质破坏。特征性表现为多房伴垂直或成角分隔（21例52.5%）,分隔朝向肿瘤周边。邻近牙齿脱落（18例45.0%）多见。CT增强上多数病灶可有边缘强化，MRI检查对病灶范围及成分的显示具优势。 结论：牙源性粘液瘤的CT表现具有特征性，联合MRI检查对颌骨OM病变诊断具重要意义。     

颌骨牙源性黏液瘤1例

患者男性 ,38岁。右上颌部肿物 3年。患者于 3年前无意中发现右上颌部有一类圆形肿物 ,约小指头大小 ,质硬 ,固定 ,无压痛 ,皮温及肤色正常。后肿物进行性增大 ,近 1年已增至童拳大 ,且口腔内右上牙龈肿胀 ,伴咀嚼障碍 ,舌体活动不灵活 ,发音含混。专科检查 :右上颌可扪及类圆形肿物 1个 ,大小为 7cm× 7cm× 5cm ,表面光滑 ,质硬、固定 ,无压痛 ,边界不清 ,肿物向口腔内右上牙龈 8～ 4牙槽突部突出 ,黏膜光滑 ,无溃破 ,悬雍垂右偏伴伸舌偏右 ,咽反射存在 ;乳突、颈部等表浅淋巴结无肿大。CT示右上颌骨齿槽突膨胀畸形 ,邻近牙槽缺损 ,右上…     

侵袭性血管粘液瘤的临床病理分析

目的：研究侵袭性血管粘液瘤的临床特点与病理特征，以免误诊漏诊。方法：对侵袭性血管粘液瘤3例行手术切除，并行光镜和免疫组化检查。结果：术中见肿瘤呈无包膜生长，剖面苍白色、胶质样，有粘液性间质分隔。病检示瘤细胞呈梭形或星形排列于粘液样背景中，核无异型性或分裂相，其间有中等以上厚壁血管。免疫组化染色示Vimentin（＋）、S-100（-）。结论：侵袭性血管粘液瘤罕见，侵袭性与复发性是其重要的临床特点。治疗以扩大的局部切除为宜，并需长期随访。     

表浅性血管粘液瘤临床病理表现

目的:探讨表浅性血管粘液瘤(SA)的临床病理、免疫组织化学特点及生物学行为。方法:对3例表浅性血管粘液瘤进行临床病理学观查,并对三例标本石蜡切片行Vimentin、CD34、Desmin和S-100免疫组织化学染色观察,并结合文献复习分析。结果:3例肿瘤均位于皮肤表浅部位,界限较清楚,切面分叶状,质软,部分呈胶冻状。镜下肿瘤呈分叶状,间质内含较多粘液和薄壁血管并伴有少许炎细胞浸润,肿瘤细胞呈梭形和星形,无异型性。未见核分裂像。免疫组织化学染色肿瘤细胞表达Vimentin和CD34,不表达S-100和Desmin。结论:表浅性血管粘液瘤是一种少见的粘液性肿瘤,位于皮肤表浅部位,可局部复发但不转移,瘤细胞表达CD34和Vi-mentin。诊断时应注意和其它粘液性软组织肿瘤鉴别。     

牙源性腺样瘤10例临床病理分析

目的 探讨牙源性．腺样瘤的临床病理特征。方法 对10例牙源性腺样瘤的临床表现、病理形态进行分析。结果 肿瘤X射线表现病变呈单房性透明阴影，含未萌出的牙齿，部分囊性肿瘤囊壁内衬立方上皮、扁平上皮或复层鳞状上皮，上皮增殖并突入囊腔内，并查见类似于前成釉细胞的立方状或柱状上皮细胞所增生形成的条索状或筛孔状结构。结论 牙源性腺样瘤在临床表现、病理形态和治疗结果等方面均有其独立的特点。     

下颌骨牙源性囊肿X线表现134例分析

对我院1990-1998年初经手术治疗、组织学证实又保管较完整的下颌骨牙源性囊肿（简称囊肿）134例X线表现分析如下。     

侵袭性血管粘液瘤1例

侵袭性血管粘液瘤是一种罕见的妇科肿瘤,我院病理科迄今仅遇到二例,其中一例未进行CT检查,现将最近行CT检查并有手术病理结果的一例报导如下。 患者周××,女性,41岁,住院号012。患者4年前妇科普查发现阴道壁肿块,此后自觉逐渐长大,因无     

Pediatric intraosseous cranial myxoma: A case report and review of literature

While intraosseous cranial myxoma is a rare pathology, it is important for providers to be aware of it, as early diagnosis and treatment is imperative for prognosis. Long‐term follow‐up is needed as high rates of recurrence have been documented.     

Surgical resection of atrial myxomas

Myxomas are the most common form of benign cardiac tumors; these tumors occur primarily in the atria. Most myxomas are idiopathic in origin, but in rare cases, patients have a family history of myxomas. Although these tumors are benign, myxomas have the potential to cause serious complications, including embolic events and partial or complete obstruction of intracardiac blood flow. Currently, there is no effective medical treatment, and surgical excision of the tumor is necessary. Typically, surgical resection of an atrial myxoma is performed via a median sternotomy with the patient on cardiopulmonary bypass. Recurrence of a myxoma after surgical excision is extremely rare, and most patients have an excellent prognosis after surgery.     

心脏粘液瘤的超声心动图诊断价值

目的　应用超声心动图观察心脏粘液瘤的声像图特点 ,评价其临床应用价值。方法　对 2 5例经手术证实的心脏粘液瘤病人的超声心动图进行诊断和分析 ,总结其声像图特点和规律。结果　超声心动图可对粘液瘤的好发部位、形态、大小、数目及心脏相关改变作出判断。结论　超声心动图对心脏粘液瘤具有独特的诊断价值 ,是诊断心脏粘液瘤的首选方法。     

Cardiac myxoma shedding leads to lower extremity arterial embolism: A case report

BACKGROUNDLeft cardiac myxoma (CM) is the most common benign tumor of primary cardiac tumors, but because of its special position caused by pathological physiology change, caused by the complications of the heavier, the surface is often accompanied by blood clots, once fall out, it causes peripheral vascular embolization, such as acute lower limb artery embolization, harmfulness is large, high morbidity, and easy to occur repeatedly.CASE SUMMARYA 67-year-old male patient suddenly appeared numbness and weakness of the left lower limb and could not walk without obvious incentive. The patient was finally diagnosed as left CM complicated with acute lower limb arterial embolism after completing cardiac ultrasound, computer tomography angiography, and histopathological analysis, such as hematoxylin-eosin stain staining, immunohistochemistry and special staining including alcian blue staining and periodic acid schiff staining. Arterial thrombosis was removed successfully by femoral artery thrombectomy, postoperative numbness and weakness of the patient''s left lower limb disappeared, skin temperature became warm, and dorsal foot artery pulsation was accessible. The patient was readmitted to the hospital 8 mo after discharge for left atrial mass resection, and was diagnosed as CM by postoperative histopathological examination. CONCLUSIONAlthough CM is rare, it may be considered as the source of embolism in patients with acute limb ischemia. Repeated loss of thrombus on the tumor and its surface may lead to repeated embolism of peripheral vessels. Cardiac ultrasound is helpful for early diagnosis. Here, we use this case report to highlight left CM as an important cause of acute limb ischemia and to report our experience in the diagnosis and treatment of lower limb arterial embolism caused by CM detachment.     

Laryngeal myxoma: A case report

BACKGROUNDMyxomas are benign tumors of mesenchymal origin that rarely occur in the larynx.CASE SUMMARYWe report a case of a laryngeal myxoma that presented as a right vocal cord mass in a 54-year-old man.CONCLUSIONLaryngeal myxoma is a rare benign tumor in the larynx. It is difficult to distinguish glottis myxoma from vocal cord polyps on laryngoscopy. We recommend that otolaryngologists acquire a better understanding of this disease. If a laryngeal myxoma is suspected, dynamic laryngoscopy, acoustic voice analysis, and pathological biopsy should be performed.     

A survivor of near sudden death caused by giant left atrial myxoma

Sudden hemodynamic collapse occurred in a 20-year-old man after an Emergency Department visit with a complaint of dizziness and chest discomfort. A left atrial myxoma was demonstrated by echocardiography. Resuscitation procedures followed by surgical repair resulted in an excellent outcome. Although sudden death is a serious manifestation of cardiac myxoma, reports of survivors of near sudden death caused by this tumor have been rare.     

An unusual cause of sudden death: Cardiac myxoma

Primary tumors of the heart are rare; the most common cardiac tumor is atrial myxoma. Sudden death may occur in patients with atrial myxoma, tumor embolization, or obstruction of blood flow at the mitral or tricuspid valve. This report describes an unusual cause of sudden death and the autopsy findings for a 73-year-old man with left atrial myxoma.     

A variant of Takotsubo syndrome concomitant with left atrial myxoma

We treated an 80‐year‐old Japanese woman who had Takotsubo syndrome (TTS) concomitant with a left atrial (LA) tumor. Left ventriculography revealed a variant of TTS. In cardiac surgery, the LA mass was successfully resected without embolism, with the pathological diagnosis of myxoma.     

Recurrence of nonfamilial cardiac myxoma in the left ventricle: A case report

A left atrial myxoma was found and removed in a 47‐year‐old woman admitted for acute ischemic cerebrovascular disease, without family history of cardiac tumor. Follow‐up echocardiography, 15 months later, demonstrated a new myxoma in the left ventricle. © 2014 Wiley Periodicals, Inc. J Clin Ultrasound 42 :576–577, 2014