MyMedR

A case of intestinal myiasis in Malaysia

Cheong WH, Mahadevan S, Lie Kian Joe

Southeast Asian J Trop Med Public Health, 1973 Jun;4(2):281.

PMID: 4749090

Matched MeSH terms: Myiasis*

Screwworm myiasis caused by Chrysomyia bezziana in zoo and domestic animals in Malaysia: a report of 3 cases

Werner RM, Dohany AL, Vanniasingham JA, Huxsoll DL

Proc Annu Meet U S Anim Health Assoc, 1980;84:339-42.

PMID: 6947291

Matched MeSH terms: Myiasis/diagnosis; Myiasis/epidemiology; Myiasis/veterinary*

First report of canine cutaneous myiasis caused by Chrysomya bezziana Villeneuve (Diptera: Calliphoridae) in Thailand

Prachasilchai W, Sanit S, Sontigun N, Chaithong U, Sukontason K, Sukontason KL

Trop Biomed, 2020 Mar 01;37(1):251-257.

PMID: 33612736

Although myiasis caused by the blow fly, Chrysomya bezziana Villeneuve (Diptera: Calliphoridae), has been reported in Thailand, all of the cases were human. This study described three cutaneous myiasis cases caused by C. bezziana in dogs in Chiang Mai province, northern Thailand. The removal of fly larvae together with specific treatment to cure all cases in this study was represented.

Matched MeSH terms: Myiasis/veterinary*

Fulltext A case of human enteric myiasis due to larvae of Hermetia illucens (Family: Stratiomyiadae): first report in Malaysia

Lee HL, Chandrawathani P, Wong WY, Tharam S, Lim WY

Malays J Pathol, 1995 Dec;17(2):109-11.

PMID: 8935136

A case of true enteric myiasis in a 7-year-old girl is reported. Two larvae were obtained from the vomitus of the patient. After processing and identification, the larvae were found to be those of Hermetia illucens (Soldier Fly). This is the first case of true enteric myiasis due to these larvae in Malaysia.

Matched MeSH terms: Myiasis/etiology; Myiasis/pathology*

Fulltext A case of human nasopharyngeal myiasis caused by Chrysomya bezziana Villeneuve, 1914 (Diptera: Calliphoridae) in Malaysia

Lee HL, Krishnasamy M, Jeffery J

Trop Biomed, 2005 Jun;22(1):87-8.

PMID: 16880761

Matched MeSH terms: Myiasis/diagnosis*; Myiasis/parasitology

Fulltext Human aural myiasis

Lee HL, Yong YK

Southeast Asian J Trop Med Public Health, 1991 Jun;22(2):274-5.

PMID: 1948291

Matched MeSH terms: Myiasis/parasitology*

Warble-fly (Hypoderma sp.) infestation in imported cattle in West Malaysia

Rajamanickam C, Ananthan VN, Arunasalam V, Thuraisamy M

Southeast Asian J Trop Med Public Health, 1973 Jun;4(2):282.

PMID: 4749092

Matched MeSH terms: Myiasis/veterinary*

Two new records of flies causing myiasis from Saudi Arabia with a survey of flies parasitizing goats and sheep in Jazan Region

Alahmed AM, Nasser MG, Sallam MF, Dawah H, Kheir S, AlAshaal SA

Trop Biomed, 2020 Jun 01;37(2):499-512.

PMID: 33612819

Despite the medical, veterinary and forensic relevance of myiasis-causing flies, knowledge of their diversity in Saudi Arabia is limited especially in the southern region. Therefore, a survey of myiasis-causing flies in the Jazan region was carried out using Red Top Fly Catcher traps baited with either decomposing beef liver or a lure composed primarily from fishmeal during the period April 2013-March 2014. Twelve known species were identified and recorded in this study, seven species of them belonging to Calliphoridae (Chrysomya, Lucilia, and Hemipyrella) and five species belonging to Sarcophagidae (Sarcophaga). Two of these species were recorded for the first time for Saudi Arabia, namely Hemipyrella pulchra (Wiedemann, 1830) and Sarcophaga (Liosarcophaga) exuberans Pandellé, 1896. Images of the species recorded are also provided for the first time. The results expand the knowledge of geographical distribution, fauna, and habitat of the myiasis-causing flies in Saudi Arabia. Biological information and world-wide geographical distribution of these species are included together with some taxonomic remarks.

Matched MeSH terms: Myiasis/veterinary*

Fulltext Massive airway myiasis: an extreme rarity

Teah MK, Chu YM, Shanmuganathan SD, Yeap TB

BMJ Case Rep, 2020 Dec 09;13(12).

PMID: 33298493 DOI: 10.1136/bcr-2020-237764

Intubations are important live saving skills to maintain adequate ventilation and oxygenation. Common indications include impending upper airway obstruction, respiratory failure and impaired conscious level. Oral myiasis is an infrequently found disease which is characterised by ectoparasitic infestation of body tissues by fly maggots.We present a case report and share valuable experiences on a patient with massive airway myiasis causing upper airway obstruction which require emergency intubation.

Matched MeSH terms: Myiasis/diagnosis*; Myiasis/parasitology*; Myiasis/therapy

Urogenital myiasis caused by Chrysomya bezziana (Diptera: Calliphoridae) in peninsular Malaysia

Ramalingam S, Nurulhuda A, Bee LH

Southeast Asian J Trop Med Public Health, 1980 Sep;11(3):405-7.

PMID: 7444582

A case of urogenital myiasis caused by Chrysomya bezziana (Diptera: Calliphoridae) was diagnosed in a 76-year old patient who had carcinoma of the rectum. A total of 35 larvae were obtained from ulcers near the external genitalia and urethra opening. Larvae pupated within 1 to 2 days and 6 days later emerged as adult males. These were identified as Chrysomya bezziana. Female flies possibly attracted by the fetid odour, laid eggs in the existing lesions in the urogenital area, the larvae invading and feeding on living tissue. Lack of personal hygiene was the contributing factor for the cause of urogenital myiasis in this patient.

Matched MeSH terms: Myiasis/parasitology*

Chrysomya bezziana (Diptera: Calliphoridae) infestation: case report of three dogs in Malaysia treated with spinosad/milbemycin

Han HS, Sharma R, Jeffery J, Noli C

Vet Dermatol, 2017 Apr;28(2):239-e62.

PMID: 27918123 DOI: 10.1111/vde.12403

BACKGROUND: Infestation of wounds with the larvae of Callophorid flies is relatively common in countries where these parasites are found. The most common species associated with infections in Southeast Asia is Chrysomya bezziana (Ch. bezziana), the Old World screw worm. Treatment consists of either subcutaneous injection of ivermectin or oral administration of nitenpyram combined with aggressive tissue debridement under general anaesthesia.

OBJECTIVES: To describe the treatment of cutaneous myiasis in three dogs caused by the larvae of Ch. bezziana in Malaysia and their treatment with spinosad plus milbemycin.

RESULTS: In all dogs, a single oral dose of spinosad plus milbemycin at the recommended dosage of 31-62 mg/kg and 0.5-1.0 mg/kg, respectively, was able to kill all larvae within 8 h. Most dead larvae fell off the host and those remaining on the host were dead and easily removed with simple saline flushing and gentle debridement. Neither general anaesthesia nor aggressive mechanical debridement were needed in any patient.

CONCLUSIONS AND CLINICAL IMPORTANCE: Oral spinosad plus milbemycin is a safe, licensed and effective treatment at the recommended dose for the rapid elimination of Ch. bezziana myiasis, with no need for sedation or anaesthesia.

Matched MeSH terms: Myiasis/drug therapy; Myiasis/epidemiology; Myiasis/veterinary*

Fulltext Aural myiasis in a neonate in peninsular Malaysia

Ahmad NW, Ismail A, Jeffery J, Ibrahim S, Hadi AA, Ibrahim MN, et al.

Parasit Vectors, 2009;2(1):63.

PMID: 20003466 DOI: 10.1186/1756-3305-2-63

Myiasis is a pathological condition in humans and animals caused by various species of dipterous larvae. Myiasis which occurs in a newborn baby is referred as neonatal myiasis. It is a rare condition and there are only a few reports to date. A case of neonatal aural myiasis in a two day old infant is reported in this paper.

Matched MeSH terms: Myiasis

Cattle herd inspections and fly trapping for the detection of the Old World screw-worm fly (Chrysomya bezziana)

Urech R, Muharsini S, Tozer RS, Sumartono, Green PE, Brown GW, et al.

Aust Vet J, 2014 Jan;92(1-2):28-32.

PMID: 24471879 DOI: 10.1111/avj.12142

To compare the sensitivity of inspections of cattle herds and adult fly trapping for detection of the Old World screw-worm fly (OWS).

Matched MeSH terms: Myiasis/epidemiology; Myiasis/parasitology; Myiasis/veterinary*

Dermal myiasis in man caused by Sarcophaga krameri (Boettcher) (Diptera: Sarcophagidae) in Malaysia

Thomas V, Smith KG, Dear JP

Southeast Asian J Trop Med Public Health, 1980 Mar;11(1):140.

PMID: 7403944

Matched MeSH terms: Myiasis/complications; Myiasis/parasitology*

Fulltext Perioperative challenges in managing a patient with COVID-19 undergoing debridement for massive scalp myiasis

Lo SY, Teah MK, Ho YZ, Yeap TB

BMJ Case Rep, 2021 Feb 05;14(2).

PMID: 33547110 DOI: 10.1136/bcr-2020-241189

A young man presented to our centre needing an urgent debridement of his postcraniotomy wound due to massive myiasis during the COVID-19 pandemic in October 2020. Prior to the surgery, his nasopharyngeal swab real-time PCR test result was unknown. One day later, it returned as SARS-CoV-2 positive. All healthcare workers who were involved in the patient management avoided cross infection as they wore appropriate personal protective equipment. This article depicts the importance of adequate preparations when handling potentially infectious patients and the perioperative issues associated with it.

Matched MeSH terms: Myiasis/complications*; Myiasis/surgery*

Fulltext A case of auricular myiasis in Malaysia

Rohela M, Jamaiah I, Amir L, Nissapatorn V

Southeast Asian J Trop Med Public Health, 2006;37 Suppl 3:91-4.

PMID: 17547059

Many cases of myiasis have been reported in Malaysia. This is the second reported case of auricular myiasis caused by Chrysomya bezziana. The patient was a 41-year-old, mentally retarded, Orang Asli man. He was brought to the clinic by his mother with a complaint of pain and bleeding in his right ear for 3 days. On examination, blood and multiple maggots were seen packed in the external auditory canal of the right ear. A total of 39 live maggots were removed and maintained until they developed into 3rd instar larvae, which were later processed and identified as Chrysomya bezziana. The patient was discharged with amoxicillin 500 mg three times a day for 1 week.

Matched MeSH terms: Myiasis/diagnosis*; Myiasis/drug therapy

Fulltext Nosocomial nasal myiasis in an intensive care unit

Nazni WA, Jeffery J, Lee HL, Lailatul AM, Chew WK, Heo CC, et al.

Malays J Pathol, 2011 Jun;33(1):53-6.

PMID: 21874753 MyJurnal

A 73-year-old Chinese man was admitted to the Accident and Emergency Premorbid Ward of a local hospital in Malaysia. The patient complained of shortness of breath with cough and was in a semi-conscious state. He was later admitted to an intensive care unit (ICU) of the hospital. Six days after admission 5-6 maggots were recoverd from the nasal cavity. The maggots were identified as the third-instar larvae of Lucilia cuprina Wiedmann (Diptera: Calliphoridae) based on the morphological characteristics. This patient was classified as having nosocomial myiasis. The presence of the third instar larvae indicated that the infestation was not more than three to four days. An adult sarcophagid identified as Parasarcophaga ruficornis (Fabricius) caught in the ICU where the patient was warded provided further evidence of the potential for the nosocomial infestation.

Matched MeSH terms: Myiasis/etiology*; Myiasis/pathology

Intestinal Myiasis in a Malaysian Patient Caused by Larvae of Clogmia albipunctatus (Diptera: Psychodidae)

Mokhtar AS, Braima KA, Peng Chin H, Jeffery J, Mohd Zain SN, Rohela M, et al.

J Med Entomol, 2016 Apr 25.

PMID: 27113101 DOI: 10.1093/jme/tjw014

We report a case of human intestinal myiasis in a 41-yr-old female patient presented at a clinic in Seri Kembangan, Selangor, Malaysia. Larvae passed out in the patient's feces were sent to the Department of Parasitology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia. DNA barcoding confirmed the second case of intestinal myiasis in Malaysia involving the larvae of Clogmia albipunctatus (Duckhouse) (Diptera: Psychodidae). We review reported cases of myiasis and discuss the present case of intestinal myiasis in an urban patient.

Matched MeSH terms: Myiasis

Chrysomya bezziana: a case report in a dog from Southern China and review of the Chinese literature

Fang F, Chang Q, Sheng Z, Zhang Y, Yin Z, Guillot J

Parasitol Res, 2019 Dec;118(12):3237-3240.

PMID: 31655903 DOI: 10.1007/s00436-019-06464-x

Chrysomya bezziana is an obligate, myiasis-causing fly in humans and warm-blooded animals throughout the tropical and subtropical Old World. We report a case of cutaneous myiasis due to C. bezziana in a dog from Guangxi province in China. A total of 35 maggots were removed from the lesions. Direct sequencing of the mitochondrial cytochrome b gene showed that the specimen belonged to haplotype CB_bezz02, which was previously reported in Malaysia and the Gulf region. This paper also reviews reported cases of screwworm myiasis from humans and animals in China. Geographical records indicate that the distribution of C. bezziana is expanding, suggesting that an integrated pest management control should be taken into consideration in China.

Matched MeSH terms: Myiasis

Fulltext Research notes on the prevalence and ovipositional tendency of forensically important scuttle fly (Diptera: Phoridae) found in an urban area in Malaysia

Tan, Yap Hoon, Raja Muhammad Zuha, Baharudin Omar

Jurnal Sains Kesihatan Malaysia, 2012;10(1):57-60.

MyJurnal

Phorid flies play an important role in forensic cases and can cause myiasis in humans. Studies on phorid flies species diversity are still limited in Malaysia. This research was carried out to collect information about species and frequency distribution of phorid flies as to provide more information on their roles in forensic and medical entomology. Bait trap was used with 100 g beef liver as baits. The species of the flies were identified using identification keys from Disney as well as Brown and Oliver. There were 449 phorid flies found in Kepong, Kuala Lumpur including Megaselia scalaris, Megaselia spiracularis, Megaselia sp. and phorid flies of genus X. Female phorid flies (98.89%) were found more prone to be trapped compared to male phorid flies (1.11%). Most phorid flies trapped in Kepong, Kuala Lumpur were from genus Megaselia and consisted of female flies. A total of five species of phorid flies probably new to science were also discovered. This study showed that Megaselia flies were found indoors rather than in open spaces. This was corresponding to their discoveries among the decomposing corpse found inside premises.

Matched MeSH terms: Myiasis

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