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Hydraulic Expulsion of Tumbu Fly Larvae

Eric Dybbro, BS1; Polly Fordyce, PhD2; Maya Ponte, MD, PhD3; Sarah T. Arron, MD, PhD3
[+] Author Affiliations
1School of Medicine, University of California, San Francisco
2Department of Biochemistry and Biophysics, University of California, San Francisco
3Department of Dermatology, University of California, San Francisco
JAMA Dermatol. 2014;150(7):791-792. doi:10.1001/jamadermatol.2013.9571.
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Furuncular myiasis is rarely observed outside of endemic areas, which may hamper accurate diagnosis. Herein we report 2 cases of Cordylobia anthropophaga larval removal using a hydraulic expulsion technique.

Article InformationCorresponding Author: Sarah T. Arron, MD, PhD, Dermatology Clinical Research Unit, University of California, San Francisco Dermatologic Surgery and Laser Center, 1701 Divisadero St, Third Floor, PO Box 316, San Francisco, CA 94115-0316 (arrons@derm.ucsf.edu).

Published Online: March 19, 2014. doi:10.1001/jamadermatol.2013.9571.

Conflict of Interest Disclosures: None reported.

Funding/Support: Dr Arron received funding from the Department of Dermatology, University of California, San Francisco.

Role of the Sponsor: The sponsor had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.

Additional Contributions: The authors wish to thank Douglas J. Wear, MD, who was with the Armed Forces Institute of Pathology, Washington, DC, for assistance with positive identification of the larva.

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Figures

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Figure 1.
Case 1 Skin Lesion at Presentation

A 1.5-cm nodule on presentation with visible larval body in central operculum.

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Figure 2.
Fly Larvae on Extraction

Fly larvae identified as Cordylobia anthropophaga.

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The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
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Examples of the Hydraulic Expulsion Of Tumbu Fly Larvae

Expulsion occurs after application of lidocaine, 1%, solution.

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