Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
Case Reports
. 2017 Mar 14;11(1):166-170.
eCollection 2017 Mar.

Pharyngeal Myiasis Caused by Sheep Botfly, Oestrus ovis (Diptera: Oestridae) Larva, Tabriz, East Azarbaijan Province, Iran: a Case Report

Teimour Hazratian  1 , Ali Tagizadeh  2 , Mohammad Chaichi  3 , Madineh Abbasi  1
Affiliations
Case Reports

Pharyngeal Myiasis Caused by Sheep Botfly, Oestrus ovis (Diptera: Oestridae) Larva, Tabriz, East Azarbaijan Province, Iran: a Case Report

Teimour Hazratian et al. J Arthropod Borne Dis. .

Abstract

Myiasis is caused by the larvae of flies infesting animal or human tissues and organs. This report aims to present a case of pharyngeal myiasis caused by the larvae of Oestrus ovis (Diptera: Oestridae). A 55-yr old drug addict living in the Shahindeje village of Western Azerbaijan Province, northwestern Iran was referred to the Emam Reza Hospital in Tabriz, having a medical history of Chronic Obstructive Pulmonary Disease (COPD) and hospitalized due to respiratory distress, 20 days ago. He was intubated with a mechanical ventilator (MV) because of his respiratory distress condition. There was an evidence of the presence of pulmonary nodules in his lungs following diagnosis, and a CT scan revealed a cavity in his lung. During the nasogastric intubation procedure, a larva was seen emerging from the patient's mouth by one of the staff of the intensive care unit of the hospital. A laboratory diagnosis was performed in the Entomology Department of the School of Medicine, Tabriz University of Medical Sciences. Interestingly, larvae of O. ovis were identified and confirmed following the laboratory proceedings.

Keywords: Iran; Myiasis; Oestrus ovis; Pharyngeal myiasis.

PubMed Disclaimer

Figures

Fig. 1.
Fig. 1.
The pair of sharply curved mouth hooks and stout spines of the larva of Oestrus ovis according to the laboratory diagnosis
Fig. 2.
Fig. 2.
Posterior spiracles in larvae of Oestrus ovis without 3 distinct slits and not divided into several plates
See this image and copyright information in PMC

References

    1. Akbarzadeh K. ( 2012) Estimation of geographical distribution, biodiversity and species richness of myiasis inducing flies in Fars Province. Tehran University of Medical Sciences, School of Public Health, Tehran, Iran.
    1. Alizadeh M, Mowlavi Gh, Kargar F, Nateghpour M, Akbarzadeh K, Hajenorouzali M. ( 2014) A review of myiasis in Iran and a new nosocomial case from Tehran Iran. J Arthropod Borne Dis. 8( 2): 124– 131. - PMC - PubMed
    1. Amendt J, Lee Goff M, Campobasso Cp, Grassberger M. ( 2010) Current concepts in forensic Entomology. Springer, Dordrecht: Chapt 16. p. 355.
    1. Bhatt AP, Jayakrishnan A. ( 2000) Oral myiasis: a case report. Int J Paediatr Dent. 10( 1): 67– 70. - PubMed
    1. Capelle Kenneth J. ( 1966) The Occurrence of Oestrus ovis L. in the Bighorn Sheep from Wyoming and Montana. J Parasitol. 52( 3): 618– 621. - PubMed

Publication types

LinkOut - more resources