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Journal of Indian Association of... 2024
PubMed: 38912011
DOI: 10.4103/jiaps.jiaps_12_24 -
Cureus May 2024A case of severe blepharoconjunctivitis in the last three weeks diagnosed the slit lamp as external ophthalmomyiasis. On ocular examination, numerous pupae were present...
A case of severe blepharoconjunctivitis in the last three weeks diagnosed the slit lamp as external ophthalmomyiasis. On ocular examination, numerous pupae were present on the lid margins, firmly adhering to the lid lashes bilaterally. All of them were removed mechanically under topical anesthesia. They were 67 in number. Healing occurred without any complications. In such cases of blepharoconjunctivitis, physicians should consider the possibility of ophthalmomyiasis externa, especially in places where high numbers of livestock are found. Otherwise, there is a chance of missing the diagnosis, which can be met with a more serious condition called ophthalmomyiasis interna.
PubMed: 38882962
DOI: 10.7759/cureus.60424 -
World Journal of Emergency Medicine 2024
PubMed: 38855368
DOI: 10.5847/wjem.j.1920-8642.2024.038 -
Journal of Surgical Case Reports Jun 2024Myiasis is infestation of live human tissue by larva. It usually involves immunocompromised people or people living in unsanitary conditions. The cutaneous myiasis is...
Myiasis is infestation of live human tissue by larva. It usually involves immunocompromised people or people living in unsanitary conditions. The cutaneous myiasis is most common type and can enter the skin with a pre-existing wound. Herein we present a case of an 18-year-old girl known case of Dystrophic Epidermolysis Bullosa with cutaneous myiasis affecting the knee managed surgically with full recovery. Such case has not reported previously in the literature, and detailed management plan is described.
PubMed: 38832055
DOI: 10.1093/jscr/rjae257 -
Cureus Apr 2024Human myiasis is caused by the invasion of tissue or organs by maggots of certain dipterous flies. The present case is of an eight-year-old boy complaining of painful...
Human myiasis is caused by the invasion of tissue or organs by maggots of certain dipterous flies. The present case is of an eight-year-old boy complaining of painful swelling in the scrotum with localized discharge. A maggot was removed and sent to a specialized laboratory for identification. The case was diagnosed as a scrotal myiasis caused by . The wound was cleaned with antiseptics, then antibiotic treatment was applied. Two days later, the wound healed completely. All previously documented cases of scrotal myiasis were associated with . We document here the first case of scrotal myiasis in children caused by and the necessity to raise awareness of myiasis among health professionals.
PubMed: 38826592
DOI: 10.7759/cureus.59417 -
TheScientificWorldJournal 2024Ophthalmomyiasis is the result of fly larvae feeding on the tissues of the eye. Commonly associated with poor hygiene and open wounds, this condition is rare and often...
Ophthalmomyiasis is the result of fly larvae feeding on the tissues of the eye. Commonly associated with poor hygiene and open wounds, this condition is rare and often stigmatized. Treatment can be straightforward, and full recovery is common. Identifying the species responsible for ophthalmomyiasis is important for the medical, forensic, and entomological communities. Here, we present a case of ophthalmomyiasis where 30-40 blow fly (Diptera: Calliphoridae) larvae were removed from the eye of a human male. A representative subsample of five larvae was used for taxonomic identification via two approaches (a) DNA analysis, via sequencing of the complete mitochondrial genome (mtGenome) and comparison of the mtGenome and mitochondrial barcode region to GenBank, and (b) morphology, examination of the posterior spiracles using microscopy, and comparison to published larval descriptions of blow flies. Two species of blow flies were identified from the DNA analysis: and . Morphological examination could only confirm as being present. To our knowledge, finding two blow fly species causing ophthalmomyiasis in a single individual has not been previously reported in the scientific literature. Neither nor prefers living tissue for larva development, but since they fill similar ecological niches, perhaps this was a show of competition rather than a normal feeding habit. Knowing these blow fly species can resort to this behavior, and that it can affect human populations, is valuable to the education of patients and providers.
Topics: Animals; Calliphoridae; Male; Humans; Larva; Myiasis; North America; Phylogeny; Diptera; Genome, Mitochondrial
PubMed: 38774420
DOI: 10.1155/2024/2209301 -
Animal Welfare (South Mimms, England) 2024Tail docking is a husbandry practice widely incorporated in sheep farms around the world. It is an irreversible mutilation that impairs animal welfare, both immediately...
Tail docking is a husbandry practice widely incorporated in sheep farms around the world. It is an irreversible mutilation that impairs animal welfare, both immediately and in the longer term. The defence of tail docking as a practice is centred around the perception that doing so contributes to the promotion of local hygiene, allowing the use of the wool, facilitating reproductive management and reducing the chances of myiasis, a disease caused by the invasion of blowfly larvae in the tissues of warm-blooded animals. However, current understanding of farm animal welfare questions the need to maintain practices such as tail docking. Thus, the aim of this study was to evaluate the effect of tail docking on the incidence of myiasis in sheep in an experimental flock in Brazil during a six-year retrospective cohort study. Relative risk, odds ratio and incidence rate ratio were the association measures adopted. A total of 4,318 data-points were collected and supplied the analytical model. Tail docking did not decrease the risk and, on the contrary, was found to increase the chances of sheep being affected by myiasis. The results support the hypothesis that tail docking is not a protective factor against the occurrence of myiasis and further fuel calls for a rethink of tail docking being deployed as a blanket measure in the prevention of myiasis in sheep.
PubMed: 38751799
DOI: 10.1017/awf.2024.21 -
Animals : An Open Access Journal From... Apr 2024Nasopharyngeal myiasis in European roe deer is a pathological condition caused by the larval stages of , a fly from the Oestridae family. These larvae reside in the...
Nasopharyngeal myiasis in European roe deer is a pathological condition caused by the larval stages of , a fly from the Oestridae family. These larvae reside in the host's upper respiratory tract for months, inducing significant tissue damage and clinical symptoms. The lifecycle of is complex, involving three larval stages before maturation into adult flies, with each stage contributing to the progressive pathology observed in the host. Despite their prevalence, the histopathological effects of these larvae in the nasal and nasopharyngeal cavities have been understudied. Our study fills this knowledge gap by providing a detailed histopathological analysis of the affected tissues, using various staining techniques to reveal the extent and nature of the damage caused by these parasitic larvae. This histopathological examination reveals significant alterations within the nasopharyngeal mucosa and nasal cavity, including erythematous changes, mucosal metaplasia, fibrosis, and tissue necrosis. Parasitic cysts and eosinophilic infiltration further characterize the impact of the infestation, compromising not only the mucosal integrity but also potentially the olfactory function of the affected animals. This research is crucial for understanding the impact of myiasis on both the health and olfactory capabilities of roe deer populations and could have significant implications for wildlife management and conservation.
PubMed: 38731301
DOI: 10.3390/ani14091297 -
IDCases 2024•Tracheostomy wound myiasis is rarely observed in unconscious and immobile patients.•Maggots in the vicinity of the tracheostomy site should be closely...
•Tracheostomy wound myiasis is rarely observed in unconscious and immobile patients.•Maggots in the vicinity of the tracheostomy site should be closely monitored.•Controlling myiasis in hospitals requires fly control and patient fluid management.
PubMed: 38681076
DOI: 10.1016/j.idcr.2024.e01969 -
Genes Apr 2024The Australian sheep blowfly, , is a major sheep ectoparasite causing subcutaneous myiasis (flystrike), which can lead to reduced livestock productivity and, in severe...
The Australian sheep blowfly, , is a major sheep ectoparasite causing subcutaneous myiasis (flystrike), which can lead to reduced livestock productivity and, in severe instances, death of the affected animals. It is also a primary colonizer of carrion, an efficient pollinator, and used in maggot debridement therapy and forensic investigations. In this study, we report the complete mitochondrial (mt) genome of from the Northern Territory (NT), Australia, where sheep are prohibited animals, unlike the rest of Australia. The mt genome is 15,943 bp in length, comprising 13 protein-coding genes (PCGs), two ribosomal RNAs (rRNAs), 22 transfer RNAs (tRNAs), and a non-coding control region. The gene order of the current mt genome is consistent with the previously published mt genomes. Nucleotide composition revealed an AT bias, accounting for 77.5% of total mt genome nucleotides. Phylogenetic analyses of 56 species/taxa of dipterans indicated that and are the closest among all sibling species of the genus , which helps to explain species evolution within the family Luciliinae. This study provides the first complete mt genome sequence for derived from the NT, Australia to facilitate species identification and the examination of the evolutionary history of these blowflies.
Topics: Animals; Genome, Mitochondrial; Calliphoridae; Phylogeny; Northern Territory; Myiasis; RNA, Transfer; RNA, Ribosomal; Diptera; Sheep
PubMed: 38674440
DOI: 10.3390/genes15040506