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- ameloblastic odontoma 成釉细胞性牙瘤
- The biological behavior of ameloblastic carcinoma (AC) is unclear. 对于造釉细胞癌的临床生物学行为尚缺乏足够的认识。
- Abstract: The biological behavior of ameloblastic carcinoma (AC) is unclear. 文摘:对于造釉细胞癌的临床生物学行为尚缺乏足够的认识。
- However, the molecular mechanism of ameloblast differentiation remains unclear. 但是,有关成釉细胞分化的分子机制仍未明确。
- The exudation of enamel matrix almost stop in ameloblast secretory phase. 在成釉细胞分泌期,釉基质分泌几乎中断;
- In this article, a compound odontoma and an impacted lateral incisor were diagnosed by radiographs. 本报告之病例即为藉由牙科放射检查诊断出混合性齿瘤及阻生侧门齿。
- Ameloblastic fibro-odontoma is a tumor of mixed odontogenic origin infrequently encountered within the jaw. 摘要造釉细胞纤维齿瘤为一罕见之混合齿源性颚骨肿瘤,好发于儿童及年轻人。
- Interference with the eruption of impacted permanent incisors by odontoma is occasionally detected but difficult to manage in children and adolescents. 摘要在儿童及青少年时期,因齿瘤而阻碍恒门牙之萌发,虽偶尔发现但不容易处理。
- Herein we reported a case of mandibular ameloblastic fibro-odontoma in a 12-year-old boy. 本病例为一12岁男性患者,于下颚骨后牙区发生之造釉细胞纤维齿瘤,直径约5.;5公分。
- Odontoma was enucleated surgically and the impacted maxillary lateral incisor was bonded with a lingual button and attached with a traction hook under general anesthesia. 在全身麻醉状态下将齿瘤剜出,并于阻生侧门齿装置舌侧钮及结扎线。
- We reveal a case of ameloblastic carcinoma of the mandible and report present illness, clinical exam, surgical therapy treatment and post-operation follow up in particulars. 本文提出一例罹患下颚造釉细胞癌的患者,就其发病过程、临床检查、手术治疗方式及追踪情形作一完整之报告。
- These results indicate that MAPK signaling functions, at least in part, as the inducer of ameloblast differentiation. 这些结果说明MAPK信号至少部分的诱导了成釉细胞的分化。
- At 10mg/L, their expression deregulated in ameloblast following 4-day fluoride exposure. 加10mg/L氟培养人牙胚4天后,成釉细胞中Bcl-2和Bax蛋白表达即有下调。
- In general, ameloblastic carcinoma is a highly aggressive tumor with rapid growth, and cases of distant metastasis had been reported. 一般认为,造釉细胞癌是生长快速并具有高度侵犯性的肿瘤,亦曾有发生远端转移的病例被报导。
- Compared with ameloblastic fibroma, AFS showed much higher PCNA labeling index, suggesting higher proliferation activity of AFS. 与成釉细胞纤维瘤比较,AFS间叶细胞具备较高的PCNA阳性标记率,提示AFS的增生活性较高。
- The ameloblast differentiation is controlled by sequential epithelial-mesenchymal interactions during tooth morphogenesis. 成釉细胞的分化是由牙齿形态发生期上皮和间充质的一系列相互作用调控的。
- Ameloblastin is a specific enamel matrix protein.It is synthesized and secreted by ameloblast and distributed around the enamel rods. 成釉蛋白是釉基质特异蛋白之一,由成釉细胞合成分泌,主要分布于釉柱周围。
- The epidemiology, treament modality, and prognosis are not well-understood because there are few literatures of ameloblastic carcinoma reported up to date. 目前仅有少数造釉细胞癌的病例被文献所记载,因此对于该疾病的流行病学,治疗方式及预后仍不是相当清楚。
- Ameloblastic carcinoma is a rare odontogenic tumour of the jaws, the most commonly involved area is the posterior portion of the mandible, occurs in the mean age of 30.1 years and there is no apparent sex predilection. 摘要造釉细胞癌为一罕见的颚骨齿源性肿瘤,好发于下颚骨后方区域,好发年龄平均为30.;1岁,无性别上之差异。
- Keywords tooth germs;ameloblast;odontoblast; 牙胚;成釉细胞;成牙本质细胞;