Case Report

Nasal Nosocomial Myiasis Infection Caused by Chrysomya bezziana (Diptera: Calliphoridae) Following the Septicemia: A Case Report


A 74 yr old woman from Gonabad, southern part of Khorasan Razavi Province of Iran was admitted to a Hospital of Gonabad, because of respiratory distress, exertional dyspnea and fever. Close contact with domes­tic animals, history of chronic obstructive pulmonary disease (COPD), and completely resolved pulmonary tuberculosis (TB) in remote past, were nota­ble parts of her past medical history. Due to clinical, paraclinical and radio­graphic findings and because of recent hospitalization, she was admitted to internal medicine ward with the diagnosis of health care associated pneumo­nia (HCAP). Despite the application of broad-spectrum antibiotics and ap­propriate supportive care, she had a poor response to the treatment. During the daily visit in Intensive Care Unit (ICU), numerous white larvae were de­tected in both nostrils. Further investigation of oropharynx and tracheal tube aspiration, showed no more larvae in mentioned parts. An hour later, nasal spontaneous bleeding occurred. Otorhinolaryngology consultation was per­formed and led to surgical procedure. In ENT examination, there were nu­merous larvae and massive clot formation in both inferior meatuses and distal nasal septum perforation. Thirty-seven extracted larvae were transferred to Medical Entomology lab by vial 70% ethanol and 5 live larvae for rearing. After pre­cise investigation by aid of light microscopy, the larvae were identified as Chrysomya bezziana. Due to discovered 2nd larvae stage and duration of hospitalization, this infestation was identified as nasal myiasis.

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IssueVol 11 No 2 (2016) QRcode
SectionCase Report(s)
Chrysomya bezziana Septicemia Nasal myiasis Iran

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How to Cite
MIRCHERAGHI SF, MIRCHERAGHI SF, RAMEZANI AWAL RIABI H, PARSAPOUR A. Nasal Nosocomial Myiasis Infection Caused by Chrysomya bezziana (Diptera: Calliphoridae) Following the Septicemia: A Case Report. Iran J Parasitol. 11(2):284-289.