PURPOSE To examine structural changes in the lacrimal sac epithelium and associated lymphoid tissue of rabbits with experimentally induced dacryocystitis. METHODS Experimental dacryocystitis was induced by an inoculation of Staphylococcus aureus into the lacrimal sac. The histological changes of the inflamed lacrimal sac epithelium and associated lymphoid tissue were studied by light and elec...

The objective of this paper is to review the main findings of the largest studies on the etiopathogenesis and microbiology of the development of dacryocystitis and to formulate clinical and surgical guidelines based on said studies and on our experience at Cruces Hospital, the Basque Country, Spain. The most common sign of this entity is the distal nasolacrimal duct obstruction, and this should...

OBJECTIVES To investigate the etiopathogenic role of sinus inflammatory disease in primary acquired dacryocystitis and other chronic obstructive diseases of the lachrymal drainage system. STUDY DESIGN Noninterventional controlled study. SETTING Tertiary care center. SUBJECTS AND METHODS Sixty consecutive patients with primary acquired dacryocystitis and other chronic obstructive diseases ...

PURPOSE To investigate nonidiopathic causes of external dacryocystorhinostomy (DCR) failure. METHODS The medical records of all patients with acute or chronic dacryocystitis who underwent external dacryocystorhinostomy performed by the senior author over a 5-year period were retrospectively reviewed, with attention to microbiology, pathology, and associated medical and history. RESULTS A to...