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Nasal myiasis: review of 10 years experience
H Sharma1, D Dayal, S P Agrawal
1Department of ENT, K.G.'s Medical College, Lucknow, India.
Abstract:
Nasal myiasis is a manifestation of the nasal cavities by larvae of the fly of genus Chrysomia. It is prevalent in tropical countries. Atrophic rhinitis is the most commonest predisposing factor for this condition. The maggots can cause extensive erosion of the nose, face and intra-cranial structures occasionally causing meningitis and death. Conservative management by packing the nose with a chloroform and turpentine (1:4) mixture followed by manual removal of the dead maggots is an effective method. Recurrence is known but partial closure of both nostrils to improve the condition of nasal mucosa is the important part of management.
Insights
Nasal myiasis, a fly larvae infestation in tropical regions, can cause severe facial and intracranial erosion. Conservative management involving a chloroform-turpentine mixture and maggot removal is effective, with nostril closure aiding recovery.
Area of Science:
- Otorhinolaryngology
- Tropical Medicine
- Parasitology
Background:
- Nasal myiasis is caused by Chrysomia fly larvae, prevalent in tropical areas.
- Atrophic rhinitis is a common predisposing factor for nasal myiasis.
- Severe complications include facial erosion, intracranial invasion, meningitis, and mortality.
Purpose of the Study:
- To describe the clinical presentation and management of nasal myiasis.
- To highlight the effectiveness of conservative treatment methods.
- To emphasize strategies for preventing recurrence.
Main Methods:
- Nasal packing with a chloroform and turpentine (1:4) mixture.
- Manual removal of dead maggots.
- Partial closure of nostrils to improve nasal mucosa condition.
Main Results:
- Conservative management with chloroform-turpentine mixture and manual removal proved effective.
- Nostril closure was identified as crucial for managing nasal mucosa and preventing recurrence.
- The study underscores the potential severity and management of this parasitic infestation.
Conclusions:
- Conservative management is an effective approach for nasal myiasis.
- Partial nostril closure is key to improving nasal mucosa and preventing recurrence.
- Prompt diagnosis and management are vital to prevent severe complications.