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Is It Really Less Successful?

Arch Ophthalmol. 2004;122:108-110.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

DACRYOCYSTORHINOSTOMY (DCR) IS A straightforward operation in terms of anatomic goals: the surgery is designed to bypass a blocked nasolacrimal duct by creating a fistula that allows the internal common punctum to communicate directly into the nasal vault through the lateral nasal wall (Figure 1). To accomplish this redirection of lacrimal drainage, tissue must be removed from the conjoined medial lacrimal sac and lateral nasal wall. Removing the tissue is the easy part, and there is no reason that a skilled surgeon with the right tools who is familiar with the regional anatomy (and its many variations) cannot remove the identical tissue from either the transnasal or the external approach.

Figure appears in full text version. Endoscopic view of healed dacryocystorhinostomy ostium. The dots outline the region of anastamosis of the nasolacrimal sac mucosa to the lateral nasal wall mucosa. The arrow points to the internal common punctum, which now has direct access to . . . [Full Text of this Article]

REASONS WHY DCR FAILS


ANALYSIS OF THE PROBLEMS FACING SUCCESSFUL DCR

CONCLUSION
Robert Alan Goldberg, MD
Los Angeles, Calif