The practice of surgery . , and to convey alterative and stimulating fluidsto the congested membrane. For overcoming structural obstruction inthe nasal duct, any such injection is quite inadequate. FiS. 25. Fistula Lachrymalis. How this condition is produced, has already been explained. Ob-struction takes place in the nasal duct; thelachrymal sac inflames, suppurates, andulcerates—the ulcerated aperture discharg-ing externally; and the wound, only con-tracting, does not heal. This train of eventsmay originate in the lachrymal passages,and usually does so. But the origin maybe in the subcutaneo
The practice of surgery . , and to convey alterative and stimulating fluidsto the congested membrane. For overcoming structural obstruction inthe nasal duct, any such injection is quite inadequate. FiS. 25. Fistula Lachrymalis. How this condition is produced, has already been explained. Ob-struction takes place in the nasal duct; thelachrymal sac inflames, suppurates, andulcerates—the ulcerated aperture discharg-ing externally; and the wound, only con-tracting, does not heal. This train of eventsmay originate in the lachrymal passages,and usually does so. But the origin maybe in the subcutaneous areolar tissue, asalready stated; or in the bone and perios-teum, in those with a mercurio-syphilitictaint of system. The greater number ofcases, however, are of a simple nature ;originating in the lachrymal passages, and involving the deeper partssecondarily, if at all. The essential parts of the disease are, obstruction in the nasal duct,and an external opening in the lachrymal sac. In treatment, it is our Fie. Fistula Lachrymalis. The chronic stageestablished; and the aperture small.
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