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Jornal de Pediatria
On-line version ISSN 1678-4782
SARAIVA, Fabio P. et al. Ophthalmomyiasis as a cause of canalicular lesion. J. Pediatr. (Rio J.) [online]. 2005, vol.81, n.1, pp. 85-87. ISSN 1678-4782. http://dx.doi.org/10.1590/S0021-75572005000100016.
OBJECTIVE: Myiasis is the invasion of human tissues by Diptera larvae. Ocular involvement is uncommon. Trauma is the major cause of lacrimal apparatus lesions. However, it is rarely associated with parasitic infestation. The objective of this paper is to report a case of canalicular laceration caused by Dermatobia hominis larva. DESCRIPTION: An eight-year-old girl presented preseptal cellulitis that was refractive to antibiotics. A Dermatobia hominis larva was observed inside the lacrimal sac. Surgical extraction was performed and laceration of the lacrimal drainage system was noted. COMMENTS: Parasitic infection of the lacrimal apparatus is rare. Surgical extraction is the treatment of choice in such cases. Despite being uncommon, ophthalmomyiasis should be considered as a possible diagnosis when cellulitis is not responsive to antibiotics, especially in endemic areas. This is the first description of lacrimal drainage system injury by Dermatobia hominis larva.
Keywords : Miasis; cellulitis; parasitic eye infections; lacerations; lacrimal apparatus.