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‘Y’ Shaped right Parotid duct - a rare anatomical presentation

机译:呈“ Y”字形的右腮腺管-罕见的解剖学表现

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The parotid gland with two ducts is a rare anomaly and very few cases have been reported in the literature. The Present study was conducted in the postgraduate Department of Anatomy at Government Medical College Srinagar to study the variations in the pattern and number of ducts of parotid gland during routine dissection for academic purposes between 2001 -20014. Both parotid glands of 36 Indian cadavers were dissected out for routine anatomic teaching and simultaneously recording observations. In this study we also included 10 formalin preserved specimens of parotid gland. It was observed that in one of the cadavers two ducts emerged from the anterior border of right parotid gland. These ducts D1 (superior) and D2 (inferior) joined after crossing the anterior border of the masseter muscle and formed a common duct (D3) in the form of letter ‘Y’, which pierced the buccal pad of fat, buccopharngeal fascia, buccinator muscle and mucous membrane before opening inside the vestibule of mouth. This anomalous duct pattern though rare is of great academic and clinical significance in Otorhinology, Maxillofacial and Plastic surgery, where it may explain the occurrence of post traumatic/iatrogenic parotid fistulas and need for preoperative sialography during surgical procedures of this region.
机译:具有两个导管的腮腺是一种罕见的异常,文献报道的病例很少。本研究是在斯利那加政府医学院的解剖学研究生院进行的,目的是研究常规解剖期间腮腺导管的样式和数量在2001 -20014之间的变化。解剖了36具印度尸体的两个腮腺,以进行常规解剖学教学并同时记录观察结果。在这项研究中,我们还包括10个福尔马林保存的腮腺标本。观察到,在其中一具尸体中,右腮腺的前缘出现了两条导管。这些导管D1(上)和D2(下)在穿过咬肌的前边界后连接在一起,并以字母“ Y”的形式形成了一条普通导管(D3),该导管刺穿了脂肪的颊垫,颊神经筋膜,腹腔镜肌肉和粘膜在前庭内侧张开之前。这种异常的导管模式虽然很少见,但在耳鼻咽喉科,颌面外科和整形外科中具有重要的学术和临床意义,它可以解释该区域手术过程中创伤后/医源性腮腺瘘的发生以及术前唾液造影的必要性。

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