双语班专用Diseases of lids and lacrimal apparatus.ppt

* * Squamous cell carcinoma鳞状细胞癌 Sebaceous gland carcinoma Anatomy of the lacrimal apparatus泪器的解剖 Secretory分泌 component: the lacrimal gland, the accesory副 lacrimal gland (Krause, Wolfring) Excretory排出 component: lacrimal punctum泪点, canaliculus泪小管, common canaliculus泪总管, lacrimal sac泪囊, nasolacrimal duct鼻泪管 The production and drainage of tears Disorders of the secretory system Alacrima无泪: congenital, represent dry eye symptoms; tumor; inflammation Lacrimal hypersecretion泪液分泌过多: rare, must be distinguished from tearing due to obstruction of the excretory ductules Paradoxic lacrimation: crocodile tears, tearing while eating, aberrant regeneration of the facial nerve Bloody tears: bleeding in conjunctiva or lacrimal sac Acute dacryoadenitis急性泪腺炎: As complication of mumps流行性腮腺炎, measles麻疹, influenza流感 in children In association with gonorrhea淋病 in adults Disorders of the secretory system Chronic dacryoadenitis慢性泪腺炎: Benigh良性 lymphocytic 淋巴细胞infiltration Lymphoma 淋巴瘤 Leukemia 白血病 Tuberculosis 结核 Disorders of the secretory system Disorders of the secretory system Chronic dacryoadenitis Chronic dacryoadenitis: Disorders of the secretory system Lacrimal Gland Enlargement in a Patient with Sarcoidosis肉瘤样病 Tumors of lacrimal glands Disorders of the secretory system Pleomorphic多形性 adenoma腺瘤 of lacrimal gland Excision of the lacrimal glands Tumors Disorders of the secretory system Dacryocystitis泪囊炎 Infants Acute Chronic Canalicular泪小管 disorders Congenital: imperforate puncta, accessory puncta, canalicular fistulas瘘管 Acquired: stenosis狭窄, obstruction Disorders of the excretory system Disorders of the excretory system Dacryocystitis of Infants Nasolacrimal duct obstruction of infants Occurs in approximately 5-6% of infants. A sticky, watery eye with positive regurgitation反流 on pressure over the lacrimal sac confirms the diagnosis. As there is a high spontaneous rate of remission (60-90%) in the first year of life, probing探通 should be delayed until 10-12 months of