Human schistosomiasis: A diagnostic imaging focused review of a neglected disease

Sah, Vivek Kumar; Wang, Liang; Min, Xiangde; Rizal, Rajiv; Zan, Ke; Deng, Ming; Li, Liang; Zhang, Dongliang

doi:10.1016/j.jrid.2015.11.007

Cited by 35 publications

(28 citation statements)

References 56 publications

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“…Chronic infection can also result in scarring of mesenteric or vesicular blood vessels leading to portal hypertension, portocaval shunting [36] along with capsular calcifications extending towards the center of the liver with "turtleback appearance" due to massive fibrosis can also be observed in most cases [37] which are typical for hepatic schistosomiasis. There were no liver calcifications observed in the NSA group.…”

Section: Pathophysiological Correlation Of Radiological Featuresmentioning

confidence: 99%

Analysis of CT characteristics in the diagnosis of Schistosoma japonicum associated appendicitis with clinical and pathological correlation: a diagnostic accuracy study

et al. 2019

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Purpose To clarify unique non-contrast CT (NCCT) characteristics for early recognition of Schistosomal associated appendicitis (SAA) differentiating from Non-schistosomal associated appendicitis (NSA). Material and methods Clinical and pathological data of 50 cases with SAA and 60 cases with NSA who underwent emergency appendectomy were retrospectively compared to pre-surgical NCCT features such as direct and indirect signs of acute appendicitis as well as appendicoliths, colon calcifications as diagnostic criteria. Statistical methods such as Chi-square (χ 2), t-tests, Principal component analysis (PCA), Binary Logistic regression (LR) and Factor Analysis (FA) were utilized to observe differences and isolate recognizable CT features of SAA. Pre and post hoc diagnostic performance of all criteria was calculated as sensitivity, specificity, and the Odds Ratio (OR). Results Age > 50 years, diameter > 13 mm, pneumatosis, peri appendiceal abscess, focal wall defect, perforation; Orbital, linear and point types of appendicular wall calcifications; sigmoid colon and cecal curvilinear calcifications were observed as unique characteristics with a sensitivity of 84-95% and specificity of 91-98% in predicting SAA by OR of 6.2 times. Pre and post hoc hypothetical analysis did not show any significance for all other factors. Conclusion Factors such as elderly age, CT features such as larger appendicular diameter, appendicular wall calcifications along with sigmoid colon, and cecal calcifications, signs of perforation or abscess are characteristic for early recognition of SAA. Keywords Schistosoma japonicum • Intestinal Schistosomiasis • Multislice computed tomography • curvilinear calcifications • Peri appendiceal abscess Abbreviations AIR score Appendicitis inflammatory response score SAA Schistosomal associated acute appendicitis Bimbadhar Valluru, Zhou Zhou contributed equally to this work.

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Section: Pathophysiological Correlation Of Radiological Featuresmentioning

confidence: 99%

Analysis of CT characteristics in the diagnosis of Schistosoma japonicum associated appendicitis with clinical and pathological correlation: a diagnostic accuracy study

et al. 2019

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“…He denied urinary incontinence. On neurological examination, the patient Brain cysts (4 stages): vesicular, colloidal, nodular/granular, & calcified granulomas; 13 seizures/epilepsy; headaches; focal neurological deficits 17 1) Vesicular stage: well-defined scolex; 13,17 2) colloidal stage: ring enhancement, loss of scolex, edema; 13,17 17,49 Kato-Katz thick-smear, ELISA, IHA, or immunofluorescence, neuroimaging 48 Praziquantel & corticosteroids, artemether (prophylaxis) 48 Echinococcosis…”

Section: Casementioning

confidence: 99%

Parasitic infections of the spine: case series and review of the literature

Majmundar¹,

Patel²,

Dodson³

et al. 2019

Neurosurgical Focus

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OBJECTIVEAlthough parasitic infections are endemic to parts of the developing world and are more common in areas with developing economies and poor sanitary conditions, rare cases may occur in developed regions of the world.METHODSArticles eligible for the authors’ literature review were initially searched using PubMed with the phrases “parasitic infections” and “spine.” After the authors developed a list of parasites associated with spinal cord infections from the initial search, they expanded it to include individual diagnoses, using search terms including “neurocysticercosis,” “schistosomiasis,” “echinococcosis,” and “toxoplasmosis.”RESULTSTwo recent cases of parasitic spinal infections from the authors’ institution are included.CONCLUSIONSKey findings on imaging modalities, laboratory studies suggestive of parasitic infection, and most importantly a thorough patient history are required to correctly diagnose parasitic spinal infections.

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“…The history and grade of the disease were recorded and paired with the observed imaging data. The image diagnosis was performed according to the clinical morbidity: acute, chronic, urinary, intestinal, hepatosplenic, and ectopic schistosomiasis, following the latest standardization and reviewed classification (Richter et al, 2000;Sah et al, 2015).…”

Section: Clinical and Ultrasound Examinationmentioning

confidence: 99%

“…Ultrasonography is an important imaging tool in the diagnosis of schistosomiasis, providing information on the lesions in the target tissues and their pattern, and delineating the possible prognosis after treatment; moreover it is a low-cost, non-invasive, and portable system (Sah et al, 2015;Abdel-Wahab et al, 1992). With a portable ultrasound, it was possible to examine patients in areas without electricity, constituting a great support for diagnosis.…”

Section: Schistosomiasis In Madagascar and The Situation In Maevatanamentioning

confidence: 99%

Usefulness of environmental DNA for detecting Schistosoma mansoni occurrence sites in Madagascar

Sato

Rafalimanantsoa

Ramarokoto

et al. 2018

International Journal of Infectious Diseases

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Human schistosomiasis: A diagnostic imaging focused review of a neglected disease

Cited by 35 publications

References 56 publications

Analysis of CT characteristics in the diagnosis of Schistosoma japonicum associated appendicitis with clinical and pathological correlation: a diagnostic accuracy study

Analysis of CT characteristics in the diagnosis of Schistosoma japonicum associated appendicitis with clinical and pathological correlation: a diagnostic accuracy study

Parasitic infections of the spine: case series and review of the literature

Usefulness of environmental DNA for detecting Schistosoma mansoni occurrence sites in Madagascar

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