Ectopic cutaneous schistosomiasis - Case report

Nunes, Kathia Monielly Tenorio; Cardoso, Alberto Eduardo Cox; Pereira, Fabio; Batista, Luiz Henrique Carvalho; Houly, Ricardo Luiz Simoes

doi:10.1590/abd1806-4841.20132848

Cited by 9 publications

(4 citation statements)

References 6 publications

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“…Accordingly, the helminthes would travel in the opposite direction to that of blood flow, thus reaching the terminal portal venules. [17]. Other mechanisms that have been proposed are (a) embolization of the S. mansoni eggs through the network of arteries as a consequence of the presence of congenital cardiovascular defects or arteriovenous shunts and (b) egg-laying after the migration of the helminthes [17].…”

Section: Discussionmentioning

confidence: 99%

Genital Schistosomiasis: A Report on Two Cases of Ovarian Carcinomas Containing Viable Eggs ofSchistosoma mansoni

Amorim

Pagio

Ferreira

et al. 2014

Case Reports in Obstetrics and Gynecology

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Schistosomiasis is a parasitic infection that is highly prevalent worldwide, with a variety of species being responsible for causing the disease. In Brazil, however, the only identified species is Schistosoma mansoni. The adult parasites inhabit the blood vessels of the hepatic portal system of the main host. The disease may range from being asymptomatic to provoking liver damage or portal hypertension. Furthermore, ectopic schistosomiasis may develop, and several hypotheses have been raised to explain the occurrence of the disease. This paper describes two cases, one in a 39-year-old woman and the other in a 47-year-old woman. Both had similar symptoms of pain and abdominal distension caused by a large abdominal/pelvic mass. Histopathology of the ovary showed a mucinous cystadenocarcinoma of the intestinal type in the first patient and a papillary serous carcinoma in the second, with both tumors containing viable eggs of Schistosoma mansoni. The neoplasms probably serve as a migratory route for the adult parasites and the embolization of eggs. Nevertheless, there is insufficient evidence to confirm the malignization of a benign lesion due to the presence of Schistosoma mansoni. Few cases have been reported in the international literature on the association between ovarian schistosomiasis and neoplasms.

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Section: Discussionmentioning

confidence: 99%

Genital Schistosomiasis: A Report on Two Cases of Ovarian Carcinomas Containing Viable Eggs ofSchistosoma mansoni

Amorim

Pagio

Ferreira

et al. 2014

Case Reports in Obstetrics and Gynecology

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“…Clinical disease in South America is exclusively attributed to S. mansoni 15,16 . Brazil is the source for nearly all infections (Figure 2).…”

Section: Epidemiologymentioning

confidence: 99%

“…8,13 Clinical disease in South America is exclusively attributed to S. mansoni. 15,16 Brazil is the source for nearly all infections (Figure 2). Brazilian states that border or contain parts of the São Francisco River (with great opportunity for recreational freshwater swimming) have higher prevalence rates of schistosomiasis.…”

Section: Epidemiologymentioning

confidence: 99%

Cutaneous schistosomiasis: epidemiological and clinical characteristics in returning travelers

Marks

2022

Int J Dermatology

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The clinical manifestations of parasitic diseases are well‐covered in the infectious disease literature; however, cutaneous manifestations often receive limited attention. There is a need to update existing knowledge and improve reporting of disease characteristics. Given continued increases in travel and transportation, more individuals are acquiring cutaneous infections while traveling abroad. Schistosomiasis is the second most important tropical disease among returning travelers and affects more than 200 million individuals worldwide. The literature classically describes three forms of skin disease in those infected with Schistosoma: the immediate pruritic eruption of cercarial dermatitis, the urticarial response of Katayama syndrome, and the granulomatous lesions of late cutaneous schistosomiasis. Over the last two decades, more atypical presentations have been described. Travelers returning from Africa, South America, and Asia are at highest risk given these are the continents in which the parasite is endemic. This review highlights the cutaneous manifestations of schistosomiasis, with a focus on international travelers with atypical presentations. Additionally, genital schistosomiasis will be reviewed given its significant morbidity. The aim of this review is to update the current body of literature. Dermatologists and other physicians evaluating the skin should be aware of the following principles regarding schistosomal infections: (i) the importance of an early skin biopsy in making the diagnosis; (ii) the necessity of adding schistosomiasis to the differential diagnosis for zosteriform lesions; (iii) the resemblance of chronic cutaneous schistosomiasis of the genitals to sexually transmitted infections; and (iv) the need to revise definitions for early and late infection, specifically for cutaneous disease.

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“…[2][3][4] Ectopic schistosomiasis has been reported in the cecal appendix, gallbladder, pancreas, peritoneum, urogenital system, central nervous system, myocardium, skin, esophagus, stomach, thyroid, and adrenal glands. [2][3][4][5][6][7][8][9][10][11][12] Ectopic lesions, to which eggs or worms may migrate and cause granulomas on the skin and extragenital or rectal mucosae are rare in every form of schistosomiasis, even in regions where parasitosis is highly endemic. 2,3,5,6 Identification of Schistosoma eggs at the anatomopathological examination is mandatory for diagnosis.…”

Section: Introductionmentioning

confidence: 99%

Ectopic Schistosoma mansoni Eggs Inside a Lipoma

Sabino¹,

Nunes²,

Petroianu³

2016

The American Society of Tropical Medicine and Hygiene

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Abstract. Ectopic schistosomiasis is uncommon and tends to occur when the parasite's eggs or adult forms are located far from their normal site. This report presents the first described case of ectopic Schistosoma mansoni eggs inside a subcutaneous lipoma far from the tissues of this worm's life cycle and with no connection to either portal veins or any other vascular system. These eggs were found inside giant cells surrounded by inflammatory cells. In conclusion, in humans, ectopic S. mansoni eggs can be found far from the tissues of the described life cycle of this worm, with no connection to portal veins or other blood vessels used for their migration.

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Ectopic cutaneous schistosomiasis - Case report

Cited by 9 publications

References 6 publications

Genital Schistosomiasis: A Report on Two Cases of Ovarian Carcinomas Containing Viable Eggs ofSchistosoma mansoni

Genital Schistosomiasis: A Report on Two Cases of Ovarian Carcinomas Containing Viable Eggs ofSchistosoma mansoni

Cutaneous schistosomiasis: epidemiological and clinical characteristics in returning travelers

Ectopic Schistosoma mansoni Eggs Inside a Lipoma

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