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We report a forensic entomology case associated with human myiasis in Chiang Mai Province, northern Thailand. The remains of a 53-yr-old-male were concurrently infested with third instars of the two blow fly species, Chrysomya megacephala (F.) and Chrysomya rufifacies (Macquart), near a severe tumor lesion presented on the lower right leg. The presence of third instars, approximately 5 d old, on the day following postmortem indicated that myiasis occurred before death. This is the first report of both fly species acting as a myiasis-producing agent in Thailand. Unsynchronized data between the age of fly larvae due to myiasis premortem and verified age/ condition of the corpse suggest a potential complication and error in the estimation of postmortem interval if other predisposition fly infestations are not considered.
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http://dx.doi.org/10.1093/jmedent/42.4.702 | DOI Listing |
Klin Mikrobiol Infekc Lek
June 2025
Clinic of Infectious Diseases, University Hospital Brno and Faculty of Medicine, Masaryk University, Brno, Czech Republic, e-mail:
Myiasis is a parasitic infestation caused by the larvae of dipteran flies, affecting living or necrotic tissues in humans and animals. It is classified into obligatory and facultative forms, depending on the relationship between the parasite and the host. Clinically, myiasis may present as cutaneous, wound, cavity, intestinal, urogenital, or blood-feeding larval infestations.
View Article and Find Full Text PDFJ Emerg Med
July 2025
Department of Emergency Medicine, Cleveland Clinic Akron General, Akron, Ohio; Northeast Ohio Medical University, Rootstown, Ohio. Electronic address:
Background: Furuncular myiasis is a rare parasitic infestation caused by fly larvae in the skin, typically presenting as painful, inflammatory nodules. In the United States, the most common causative agent is Dermatobia hominis (human botfly), though autochthonous cases are exceedingly rare. These are caused by the rodent botfly Cuterebra, which is endemic to North America.
View Article and Find Full Text PDFGenome Biol Evol
July 2025
Research Centre for Veterinary Science, Organization Research for Health, The National Research and Innovation Agency. BRIN, Cibinong, West Java Province 16911, Indonesia.
Chrysomya bezziana, the Old-World Screwworm, is a parasitic blowfly that causes myiasis, an infestation where larvae feed on live tissues of vertebrate hosts. Myiasis caused by C. bezziana poses a threat for public health and livestock economy in Asia with a potential risk of global spread by human travelers and animals.
View Article and Find Full Text PDFSwiss Med Wkly
July 2025
Division of Intensive Care, Department of Anaesthesiology, Clinical Pharmacology, Intensive Care and Emergency Medicine, Geneva University Hospital, Geneva, Switzerland.
Nosocomial myiasis is seldom reported in Europe, and intensive care unit (ICU)-acquired myiasis is even rarer. Here, we describe the first report of hospital-acquired oral myiasis caused by Lucilia sericata occurring in a Swiss ICU. We provide a review of all European cases of oral ICU-acquired myiasis published since 1997 and discuss entomological aspects as well as treatment and prevention of this entity.
View Article and Find Full Text PDFWe report the case of a 50-year-old Hispanic man with recent travel to El Salvador, who developed two painful nodules on his right lower extremity following a fishing trip. Upon medical evaluation, the nodules were diagnosed as cutaneous myiasis, likely caused by . Videos demonstrating a minimally traumatic larval extraction technique are included.
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