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PubMed2001

Cutaneous myiasis of the breast: mammographic and us features-report of five cases.

Five patients with breast myiasis underwent mammography, and three also underwent ultrasonography (US). Mammography revealed indistinct masses in all patients, with associated pairs of microcalcifications in three. US showed each larva as a fusiform hyperechoic mass surrounded by a hypoechoic halo, which included larval movement in one patient. These imaging features of breast myiasis facilitate correct diagnosis.

Breast Diseases↗
PubMed2000

Endoscopy in nasal myiasis.

Nasal myiasis is a common disease in tropical and developing countries. The maggots cause extensive necrosis, sloughing and destruction of intranasal tissue and reach to deep and inaccessible areas of the nose and paranasal sinuses. In such a situation removal of maggots is difficult by manual extraction and several sittings are required. To overcome this problem nasal endoscope is being used for removal of maggots under direct vision. In comparing both methods nasal endoscopic procedure is found to be superior to the manual extraction method for removal of maggots. The maggots located in deep and inaccessible area can be approached more easily by endoscopic procedure. The disease is being controlled in shorter time and in few sittings. Thus quick and complete eradication of myiasis is possible before the maggots cause irreparable damage to the intranasal tissues.

Adult↗
PubMed2000

Human auricolar myiasis caused by Wohlfartia magnifica (Schiner) (Diptera: Sarcophagidae): first case found in Sardinia.

The authors report a case of myiasis of the middle ear caused by Wohlfartia magnifica Schiner (Diptera: Sarcophagidae). The entomological aspects, the clinical epidemiological characteristics and the therapeutic solutions of this disease are evaluated. In particular, they underline the rarity of myiasis both because of the aetiologic agent and the anatomical site. The therapeutic aspects are also reported and discussed.

Animals↗
PubMed2001

Traumatic myiasis of horses caused by Wohlfahrtia magnifica.

A survey was carried out in three stud farms with grazing animals, in order to gather data on the prevalence and clinical manifestation of, and the fly species involved in, traumatic myiasis of horses in Hungary. This parasitic disease was recorded in each farm. On the whole, 9.0% (14) of the inspected horses were infested with fly larvae. The affected horses had one infested lesion only, located at the mucosa of the vulva or the vaginal vestibule. The clinical symptoms depended on the age of infestation. Wohlfahrtia magnifica (Diptera: Sarcophagidae) was the only myiasis-causing fly species identified. It was assumed that unknown volatile chemicals might be responsible for the attraction of gravid females to the undamaged vulvar region. These odours are supposed to be produced during different physiological and/or pathological events associated with oestrus, prolonged puerperal period or inflammation of tissues. Daily inspection of grazing horses and early treatment of the affected areas are needed to avert significant damage to the infested horses.

Animals↗
PubMed2004

Oral myiasis treated with ivermectin: case report.

Oral myiasis is a rare pathology and a risk to the patient's life. Conventional treatment is mechanical removal of the larvae (maggots) one by one, which is painful, distressing, and embarrassing both to the patient and to the dentist. We present a case report of a patient with cerebral palsy that had oral myiasis treated successfully with ivermectin. The use of this antibiotic in humans, its mechanism of action and indications are discussed.

Administration, Oral↗
PubMed1995

A case of myiasis gingiva.

A case of myiasis gingiva was diagnosed in an investigation designed to evaluate the histopathological features of the adjacent tissues of 100 advanced periodontal lesions. The patient was a 36-year old female and her chief complaint was discomfort and swelling in the area between the upper left central and lateral incisors. The patient's medical history, review of the symptoms, and family history were non-contributory and her oral hygiene was acceptable. The surgeon was not aware of anything unusual during the operation. Although the Parasitology Department was unable to define the entomologic identification of the infesting parasite from histopathological tissue slides, it was agreed that this case of myiasis might be produced by larvae of genus Sarcophaga or Enterobius vermicularis.

Adult↗
PubMed1996

[A human case of internal myiasis in Korea].

A 71-year old male patient was admitted in Inha hospital due to right facial palsy, quadriplegia and aphasia. This patient was operated to replace his heart values 7 years ago and has been treated with Coumarin, an anti-coagulant drug, to prevent the formation of thrombus in the heart. A number of fly maggots continuously crawled out from the nasogastric tube set up for supplying a liquid diet and patient's mouth for 2 days until his death in the intensive care unit of hospital. These maggots were about 11.5 mm long on the average and identified as genus Lucilia belonging to family Calliphoridae. The lesion of this myiasis case might be regarded in the gastro-intestinal system of patient. This is the first report of an internal myiasis case in Korea.

Aged↗
PubMed2002

Vulvar myiasis.

BACKGROUND: To report a rare case of vulvar myiasis caused by Wohlfartia magnifica, including clinical and microscopic observations. CASE: A vulvar lesion was found in a 31-year old married female villager with the history of dropping fly larvae from vulva, vulvar pain and itching sensation. The larvae were identified as the species of Wohlfartia magnifica. The lesion was washed with batticon over a period of five days and the patient was discharged. CONCLUSION: Vulvar myiasis should be considered in the differential diagnosis of genital lesions. The diagnosis can be easily established based on microscopic features of the maggots, especially those relating to stigma structures.

Adult↗
PubMed2006

Urogenital myiasis due to Chrysomyia bezziana.

Genitourinary myiasis, associated with ulcerating lesions and poor hygiene of the local site, has been infrequently reported. We report a case of 45 year-old urinary incontinent female suffering from carcinoma cervix, who presented with genitourinary myiasis. The larva was identified as of Chrysomyia bezziana Villeneuve (C. bezziana).

Animals↗
PubMed1997

Short report: one case of nasal human myiasis caused by third stage instar larvae of Oestrus ovis.

This is a report of a case of human nasal myiasis caused by third instar larvae of the sheep nasal bot fly, Oestrus ovis. Female flies rarely deposit first instar larvae in the eye, nostrils, and external auditory canal of humans, where they usually survive only a few days without further development. One human infestation by third instar larvae of O. ovis has been recorded in an patient infected with human immunodeficiency virus (HIV) in the United Kingdom. Our report describes a new case of nasal myiasis caused by the third instar larvae of the sheep bot fly in a patient without HIV or signs of any other disease.

Adult↗
PubMedDate not supplied

A case of aural myiasis in Australia.

A case of aural myiasis that involved Calliphora nociva in an 18-month-old boy is reported. This is thought to be its first documentation. Medical practitioners are encouraged to preserve entomological material from all cases of human myiasis so as to improve the knowledge of the species which are responsible for the condition in Australia.

Australia↗
PubMedDate not supplied

Exotic myiasis with Lund's fly (Cordylobia rodhaini).

After a four-week holiday in East Africa, a woman was diagnosed with furuncular myiasis: a third-instar larva of the fly Cordylobia rodhaini (Lund's fly) was found in a skin lesion. This is the first report of exotic myiasis and importation of this species of fly into Australia, and reflects the increasing risk of introducing exotic flies of public health and veterinary importance to Australia.

Africa, Eastern↗
PubMed1990

Furuncular myiasis.

Two cases of cutaneous myiasis are described. The first, acquired in West Africa, consisting of 36 furuncle-like lesions, was caused by the larvae of Cordylobia anthropophaga. An adult fly was raised from one larva. In the second patient, the infestation was caused by five larvae of Dermatobia hominis acquired in Central America. Neither patient was aware of any infestation, but the clinical presentation, although also suggestive of bacterial skin infection, showed a typical course and symptoms of cutaneous myiasis in both patients.

Adult↗
PubMed1976

[Wohlfahrtia magnifica (Schiner, 1862) Diptera: Sacrophagidae) causing a vaginal myiasis in domesticated two-humped camels in the Mongolian People's republic].

Wohlfahrtia magnifica (Schiner, 1862) [Diptera: Sarcophagidae] was established as the causal agent of a vaginal myiasis in female camels in the Mongolian Democratic Republic. Changes of the genitals occur nearly the beginning of June, 4-6 weeks after foaling, a spontaneous recovery is seen at the beginning of October. Clinical signs of the vaginal myiasis and morphology of the three stages of larvae are described in detail.

Animals↗
PubMed2001

[Imported myiasis: 7 cases of cutaneous parasitism caused by Dermatobia hominis flie larvas].

Myiasis is the parasitism of organs and tissues of warm-blooded vertebrates by flies larvae. D hominis is a flie geographically restricted to tropical America from Mexico to northern Argentina. The adult flie, which is not hematophagous, needs to put its eggs on the abdominal surface of hematophagous arthropods which serve as carriers of future larvae which are deposited on the skin of the hosts (mammals, birds and accidentally men) when biting. Seven patients (two females) aged 7 to 35 years old, of different nationalities, recalled receiving mosquito bites, after staying in tropical American areas in the previous forty days. They presented furuncle-like lesions in exposed surfaces of the body. These lesions, 2-3 cm long, pruritic and mildly tender, broke and released a serous or serohematic fluid. Through the resulting opening, it was possible to partially observe the larva. Larvae were extracted by manual pressure (4) or surgical incision (3) and identified as D hominis larvae. Diagnosis of dermatobiasis, an imported myiasis, must be based on the characteristics of lesions and the previous residence in endemic areas of America.

Adult↗
PubMed1976

Myiasis due to Cordylobia anthropophaga in Zambia.

Dermal or subdermal myiasis due to larvae of the African tumbu fly Cordylobia anthropophaga is described from Zambia for the first time. Differential diagnosis from the closely allied C. rodhaini is considered. A patient presenting with the lesion on the penis is described. Multiple infection with different developmental stages is discussed in relation to multiple exposure or immunity. Many cases of myiasis may not reach the attention of medical personnel because of the tendency of the mature larvae to migrate out of the lesion which subsequently heals; traditional healers, to whom the condition has been known for long, also successfully extract the larvae.

Adolescent↗
PubMed2002

Intestinal myiasis due to Musca domestica: a report of two cases.

Myiasis is the infestation of live human and vertebrate animals with dipterous larvae, which, at least for a certain period, feed on the host's dead or living tissue, liquid body substances, or ingested food. Intestinal myiasis is usually an accidental phenomenon, which occurs due to the ingestion of eggs or larvae present in food. Usually the patient is asymptomatic and the larvae are excreted harmlessly in the feces. In some cases, however, the passage of larvae may be associated with symptoms. The present paper describes two such cases.

Adult↗
PubMed1992

[Human genital myiasis due to Sarcophaga].

Human myiasis are infestations produced by fly larvae which invade human tissues or cavities. We report a case of semi-specific myiasis which consisted in infestation of the vulvar region of an eighty-six-year old, diabetic patient who was admitted in a clinical center for elderly. The development from larva to adult fly was carried out in the laboratory and it was identified as Sarcophaga. The infestation was resolved extracting the larvae and washing the affected area with an antiseptic solution.

Aged↗