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Case Reports
. 2023 Jul 31:11:2050313X231190013.
doi: 10.1177/2050313X231190013. eCollection 2023.

Unexpected rapid symptom response after praziquantel to intestinal Schistosoma mansoni symptoms: A case report from Rwanda

Affiliations
Case Reports

Unexpected rapid symptom response after praziquantel to intestinal Schistosoma mansoni symptoms: A case report from Rwanda

Jean Pierre Sibomana et al. SAGE Open Med Case Rep. .

Abstract

The clinical effect of praziquantel on chronic intestinal schistosomiasis in the literature is lacking. We report a patient who presented with 3 years of non-specific abdominal pain and underwent colonoscopy, which revealed colon polyps that, on biopsy, were confirmed to be due to Schistosoma mansoni. The patient was given a single dose of praziquantel, and his abdominal symptoms disappeared within 24 h. Patients with abdominal pain in the setting of chronic Schistosoma infection should be given praziquantel and assess response clinically.

Keywords: Schistosomiasis; polyp; praziquantel; symptom.

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Conflict of interest statement

The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

Figures

Figure 1.
Figure 1.
Colonic schistosomiasis. Contrast-enhanced (a) axial CT images illustrating focal nodular thickening enhancement of the ascending colon (yellow arrows), pericolic fat standing (white arrows), and lymph nodes (red arrow). (b) A colonoscopy screen shot by a portable phone shows multiple nodules in the colon. (c) Periportal fibrosis with ultrasound. CT: computed tomography.

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References

    1. Andrews P, Thomas H, Pohlke R, et al.. Praziquantel. Med Res Rev 1983; 3(2): 147–200. - PubMed
    1. Erko B, Degarege A, Tadesse K, et al.. Efficacy and side effects of praziquantel in the treatment of Schistosomiasis mansoni in schoolchildren in Shesha Kekele Elementary School, Wondo Genet, Southern Ethiopia. Asian Pac J Trop Biomed 2012; 2(3): 235–239. - PMC - PubMed
    1. Park SK, Friedrich L, Yahya NA, et al.. Mechanism of praziquantel action at a parasitic flatworm ion channel. Sci Transl Med 2021; 13(625): eabj5832. - PMC - PubMed
    1. Yahya NA, Lanham JK, Sprague DJ. Molecular and cellular basis of praziquantel action in the cardiovascular system. Am J Physiol Cell Physiol 2023; 324(2): C573–C587. - PMC - PubMed
    1. Cupit PM, Cunningham C. What is the mechanism of action of praziquantel and how might resistance strike? Future Med Chem 2015; 7: 701–705. - PubMed

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