An Unusual Cause of Rectal Bleeding: Intestinal Myiasis

S. haemorrhoidalis was the commonest maggot involved. A high index of suspicion is required for clinical diagnosis when the patient complains of passing wriggling worms in faeces for a long period without any response to antihelminthics. The reason for long duration of illness and recurrence of infestation is baffling. The nearest to cure was colonic wash. We feel prevention is of utmost importance, which is to avoid eating food articles with easy access to flies.

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“…[3,5] Our fi rst case also had ulcers in colonic mucosa. Haemorrhagic vomiting [24] and rectal bleeding [25] have also been reported.…”

Section: [Figures 2 3]mentioning

confidence: 99%

Intestinal myiasis

Udgaonkar

Dharamsi

Kulkarni

et al. 2012

Indian Journal of Medical Microbiology

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“…Among flies associated with this are the rat-tailed maggot, E. tenax (L.) (Syrphidae); latrine fly, F. scalaris (Fabricius) (Fanniidae); false stable fly, M. stabulans (Fallen) (Muscidae); and lesser housefly, Fannia canicularis (L.) (Fanniidae). Various cases of rectal myiasis had been reported in literature due to M. stabulans (Aspock 1972), E. tenax (Hira 1977), F. scalaris (Leclercq and Laurent 1973) and F. canicularis (Aspock 1972;Karabiber et al 2010). Myiasis of a rectocutaneous fistula due to Sarcophaga sp.…”

Section: Rectal Myiasismentioning

confidence: 99%

Incidence of myiasis among humans—a review

Singh

2015

Parasitol Res

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Myiasis, the infestation of tissues of live humans and other vertebrate animals with dipteran larvae (maggots), is a phenomenon of widespread occurrence throughout the tropical regions of the world. It is commonly seen in domestic and wild animals but occurs rarely in man also. The tissue invasion in man by maggots is generally a well-recognized complication of neglected wounds. The condition may be asymptomatic but occasionally results in more or less severe problems and even death when larvae invade body cavities or areas that forbid their direct visual examination. Many cases of myiasis, however, usually do not reach the attention of medical practitioners because of the tendency of the mature larvae to migrate out of the lesion for pupation. In the present study, the authors reviewed the past literature describing the cases of human myiasis, causative fly species and predisposing factors for the onset of the same. The aim of the present manuscript is to provide a database for the future reference of medical entomologists, medical practitioners and veterinarians. Review of literature revealed that 37 fly species belonging to ten families were responsible worldwide for the onset of human myiasis. The incidence of myiasis among humans can be correlated to increasing fly populations, poor hygienic conditions and presence of domestic animals in the close vicinity. Other factors responsible for myiasis include neglected open wounds and foul-smelling discharge from natural body openings. Moreover, ignorance plays a key role in its occurrence since people are generally unaware about the actual cause and often correlate the condition to their superstitious beliefs. It is emphasized that the patients should not neglect their wounds and should take proper medical care; otherwise, myiasis may supervene.

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“…Symptoms range from asymptomatic cases, where the larvae are identified in the stools, to abdominal pain, nausea, vomiting, anal pruritus, or rectal bleeding (179). The presence of the maggots may cause an inflammation of the intestinal mucosa and justify the symptoms.…”

Section: Francesconi and Lupimentioning

confidence: 99%

“…The presence of the maggots may cause an inflammation of the intestinal mucosa and justify the symptoms. In some cases, the origin of the symptoms may be confusing, because patients may have a concomitant parasitic enteric infection, such as Ascaris lumbricoides (55,133), or antiparasitic drugs (albendazole [179] or mebendazole [346]) may have been used before the diagnosis of pseudomyiasis. On the other hand, the relief of symptoms after the elimination of the maggots is incontestable proof that intestinal myiasis may be responsible for these symptoms (85).…”

Section: Francesconi and Lupimentioning

confidence: 99%

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Myiasis

2012

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SUMMARY Myiasis is defined as the infestation of live vertebrates (humans and/or animals) with dipterous larvae. In mammals (including humans), dipterous larvae can feed on the host's living or dead tissue, liquid body substance, or ingested food and cause a broad range of infestations depending on the body location and the relationship of the larvae with the host. In this review, we deeply discuss myiasis as a worldwide infestation with different agents and with its broad scenario of clinical manifestations as well as diagnosis techniques and treatment.

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An Unusual Cause of Rectal Bleeding: Intestinal Myiasis

Cited by 12 publications

References 7 publications

Intestinal myiasis

Intestinal myiasis

Incidence of myiasis among humans—a review

Myiasis

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