泪器疾病-教学课件.ppt
医学课件园 www.yxkjy.com,Diseases of lacrimal apparatus,北京大学人民医院眼科 陈晶华,医学课件园 www.yxkjy.com,Lacrimal gland 泪腺,医学课件园 www.yxkjy.com,Lacrimal passages 泪道,医学课件园 www.yxkjy.com,Neurocontrol,Feeling: facial nerve Secretion: sympathic parasympathic,医学课件园 www.yxkjy.com,The blood supply,泪腺动脉(眼动脉分支),医学课件园 www.yxkjy.com,Tear,泪膜Components: 脂质层 水液层(主泪腺和krause & wolfring) 粘蛋白层(结膜杯状细胞) Function: Protection Lubricating Inhibition Nutrition,医学课件园 www.yxkjy.com,Tearing,Epiphora 泪溢 Lacrimation 流泪 Reflactive secration,医学课件园 www.yxkjy.com,Chronic Dacryocystitis 慢性泪囊炎,Cause: 泪液滞留伴发感染 Manifestation: 泪溢、脓性分泌物、泪囊扩张 Danger Treatment: medicine and surgery,医学课件园 www.yxkjy.com,Acute Dacryocystitis急性泪囊炎,Cause: 链球菌 Manifestation: 流泪、红、脓性分泌物、泪囊红肿硬疼 Treatment: 热敷 消炎 切开排脓 Newborn,医学课件园 www.yxkjy.com,Left upper lid canaliculitis with diverticuli formation of the canaliculus,医学课件园 www.yxkjy.com,Discussion (1),A 17-year-old male with a 1-week history of pain and swelling over the right lacrimal gland. A. Clinical photograph demonstrating inflammation of the right lacrimal gland with minimal erythema and edema of adjacent soft tissues. B. Axial computed tomograph demonstrating the poorly demarcated, oblong lesion associated with inflammation of the lacrimal gland,医学课件园 www.yxkjy.com,Discussion (2),医学课件园 www.yxkjy.com,Summery,The anatomy of lacrimal apparatus The function of the tear The test of Lacrimal passages The cause, manifesitation,diagnosis and treatment of acute and chronic dacryocystitis,