Sparganosis of brain and spinal cord: Unusual tapeworm infestation (report of two cases)

Kudesia, Sandip; Indira, Devi B; S, Das; Santosh, Vani; Yasha, T C; Jayakumar, P. N.; Shankar, S K

doi:10.1016/s0303-8467(98)00027-4

Cited by 33 publications

(25 citation statements)

References 8 publications

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“…Other routes of infection include drinking contaminated water or applying the flesh of an infected host as a poultice to an open wound, such as the eye, skin, mucosa, or the wall of an abscess. [3][4][5] Most infections in humans usually invade the subcutaneous tissue or muscles 6 but may also occur in the abdominal cavity, 7 pleura, 8 genitourinary tract, 9 eye, 10 spinal canal, 11 and brain. Cerebral infection is the most serious complication without characteristic clinical manifestations; it causes headache, seizure, hemiparesis, or other neurologic deficits.…”

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confidence: 99%

“…It is difficult to make a preoperative diagnosis, and most cerebral sparganoses are diagnosed by surgical resection of the worm and pathologic examination. [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17] However, with the development of serologic techniques and radiologic instruments, proper diagnosis of cerebral sparganosis could be established before surgery. To date, to our knowledge imaging findings of cerebral sparganosis have been reported sporadically, most of which 4,5,17,18 were published in the 1990s, but the features on CT and MR examinations had not previously been described in detail.…”

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confidence: 99%

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CT and MR Characteristics of Cerebral Sparganosis

Song

Wang²,

Zhou³

et al. 2007

American Journal of Neuroradiology

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confidence: 99%

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confidence: 99%

CT and MR Characteristics of Cerebral Sparganosis

Song

Wang²,

Zhou³

et al. 2007

American Journal of Neuroradiology

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“…The presence of this string-knots sign -particularly in young patients living in regions that are endemic for this parasitic infection (such as China, Southeast Asia, Japan and Korea), where uncooked or partially cooked freshwater fish, frog or snake are eaten -should suggest a diagnosis of cerebral sparganosis. 12 The most common clinical manifestations of sparganosis in humans are slowly growing, migratory subcutaneous or muscle nodules, although these nodules may also involve the abdominal cavity, pleura, [12][13][14][15][16][17][18] Infestation of the central nervous system (CNS) is rare: a fact that can be explained by the long length of the cestode worm (which prevents it from directly entering the CNS via the bloodstream). However, the much smaller procercoid stage of larva may reach the CNS and grow to the plerocercoid stage.…”

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confidence: 99%

Magnetic resonance imaging features of pathologically proven cerebral sparganosis

Wang

et al. 2013

J Int Med Res

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Objective: The purpose of this study was to identify characteristic magnetic resonance imaging (MRI) features of cerebral sparganosis, a rare parasitic disease caused by the plerocercoid larva of Spirometra mansoni. Methods: This retrospective study reviewed medical records, computed tomography (CT) and MRI scans and pathological specimens from patients with pathologically proven cerebral sparganosis. The location, signal intensity and contrast enhancement characteristics of the lesions were assessed. Results: Records of 12 patients (seven male and five female; age range 8-35 years) were reviewed. A total of 13 lesions were identified: of the 10 patients with supratentorial lesions, nine had a single lesion and one had bilateral hemispheric lesions. Two patients had a single lesion in the ependyma of the 4 th ventricle. All lesions were iso-hypointense on T1-weighted images, slightly hypointense on T2-weighted images and surrounded by extensive oedema. Ten of the 13 lesions demonstrated a 'string-knots sign', characterized by a tangled string in a knot-like shape on contrast-enhanced MRI. Conclusion: A string-knots sign enhancement pattern in cortical-subcortical regions should suggest the diagnosis of cerebral sparganosis.

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“…to continue the lifecycle (Lee et al, 1990). Infection in humans (known as sparganosis) generally occurs from ingesting uncooked mammalian, reptilian or amphibian meat where pleurocercoids migrate into tissues, which may localise in vital organisms such as an eye, the spinal cord, or brain (Kudesia et al, 1998;Li et al).…”

Section: Spirometra Erinaceimentioning

confidence: 99%

Prevalence, risk factors, and geographical distribution of zoonotic pathogens carried by peri-urban wild dogs

Harriott¹

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Established wildlife populations within peri-urban and urban environments provide an opportunity for the spread of zoonotic pathogens to and from human-associated environments. Wild dogs, including dingoes (Canis lupus dingo), feral domestic dogs (Canis lupus familiaris), and their cross breeds (hybrids) are common across the Australian mainland, and hybrid populations are particularly frequent within peri-urban environments. Previous studies have shown that wild dogs carry zoonotic pathogens of public health significance, however, data relating to peri-urban wild dogs has been limited to a few studies with a small geographical range and / or small sample size.To address the potential public health implications of peri-urban wild dogs, information regarding pathogen diversity, prevalence, risk factors and geographical distribution are required.To investigate the diversity and prevalence of zoonotic pathogens in peri-urban wild dogs, a cross sectional survey was undertaken. Utilising council management programs and private trappers, 201 wild dogs were collected for necropsy. Analysis of faecal and blood samples indicated that helminth parasites were common, detected within 79.6  5.4 % of wild dogs tested, however bacterial pathogens were much less prevalent. Echinococcus granulosus was the most prevalent parasite detected by necropsy, (prevalence 50.7  6.9 %). Hookworms were found to comprise the second most common pathogen of zoonotic significance with an overall prevalence of 28.8% ( 7.1%).Molecular characterisation identified the majority as Ancylostoma caninum. Several pathogens of zoonotic interest were not detected during the study, namely Brucella suis and Neospora caninum.This study provided essential baseline data on the prevalence of pathogens carried by peri-urban wild dog populations in north-eastern Australia, which is required to inform the management of wild dogs in peri-urban areas.Characteristics of the most prevalent parasitic pathogens and their lifecycles suggested possible associations between the diet composition of wild dogs and their infection status. Whole stomachs were collected during necropsy and analysed for dietary composition and biomass. The majority of food items detected were mammalian prey species, most commonly: swamp wallaby (20.6  6.08%); canine species (prey) (10.6  4.62%); eastern grey kangaroo (10.0  4.51 %); and deer species (10.0  4.51%). Wild dogs that consumed swamp wallaby (OR 1.79, p<0.05) or unidentified species of macropods (OR 4.18, p<0.01) were found to be significantly more likely to be infected with E. granulosus than dogs who had consumed non-macropod species. Wild dogs that had consumed various bird (OR 7.80, p<0.01) or bandicoot species (OR 3.09, p<0.01) were found to be significantly more likely to be infected with hookworm compared to dogs that had consumed ii macropods. These findings suggest that diet composition is an important contributing factor to the infection status of wild dogs.To explore the geographical distribution of pathogens a...

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Sparganosis of brain and spinal cord: Unusual tapeworm infestation (report of two cases)

Cited by 33 publications

References 8 publications

CT and MR Characteristics of Cerebral Sparganosis

CT and MR Characteristics of Cerebral Sparganosis

Magnetic resonance imaging features of pathologically proven cerebral sparganosis

Prevalence, risk factors, and geographical distribution of zoonotic pathogens carried by peri-urban wild dogs

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