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Updated: May 10, 2026

Cercarial Transformation and in vitro Cultivation of Schistosoma mansoni Schistosomules
Published on: August 16, 2011
Omar I Jaber1, Patricia A Kirby
1Dept. of Pathology, University of Iowa Hospitals and Clinics, 200 Hawkins Dr, Iowa City, IA 52242, USA. omar-jaber@uiowa.edu
This case study reports a patient from Liberia with chronic hepatitis C who developed neurological symptoms and was later found to have spinal cord schistosomiasis at autopsy. The diagnosis was confirmed by finding Schistosoma mansoni eggs in the spinal cord vasculature. The patient’s history of travel to an endemic area is highlighted as a key factor in the diagnosis. The study emphasizes the importance of considering schistosomiasis in non-endemic regions for patients with neurological deficits and travel or origin histories from endemic areas.
Area of Science:
Background:
Schistosomiasis is a tropical disease caused by parasitic flatworms. It is typically diagnosed in endemic regions through stool or urine tests. Neurological complications are rare but can occur when parasite eggs migrate to the central nervous system. Prior research has shown that spinal cord involvement is uncommon and often overlooked in non-endemic countries. This gap motivated a closer look at diagnostic approaches for patients with travel or origin histories from endemic areas. No prior work had resolved how to identify spinal schistosomiasis in such settings. The lack of awareness may delay diagnosis and treatment. This case highlights the importance of considering schistosomiasis in neurological evaluations. The patient’s background and symptoms suggest a need for broader diagnostic criteria.
Purpose Of The Study:
This case study aimed to raise awareness of spinal cord schistosomiasis as a potential cause of neurological symptoms in non-endemic regions. The specific problem was the delayed diagnosis of a patient with a history of travel to an endemic area. The motivation was to provide a detailed account of clinical presentation and postmortem findings. The authors sought to emphasize the importance of considering schistosomiasis in patients with neurological deficits. The patient’s history of travel to Liberia and chronic hepatitis C infection provided context for the case. The goal was to highlight the diagnostic challenges in non-endemic areas. The study aimed to inform clinicians about the need for expanded differential diagnoses. The findings may help improve recognition of similar cases in the future.
Main Methods:
The study involved a retrospective analysis of a single patient’s clinical and postmortem data. The patient’s medical history was reviewed, including symptoms and laboratory results. The patient was transferred for management of retroperitoneal bleeding and died shortly after. Postmortem examination included histopathological analysis of the spinal cord. Schistosoma mansoni eggs were identified in the spinal cord vasculature. The case was compared to previously reported similar cases in the literature. Clinical symptoms and diagnostic approaches were analyzed for similarities. The study focused on the diagnostic implications of the postmortem findings.
Main Results:
The patient presented with acute neurological symptoms affecting the lower limbs. Severe retroperitoneal bleeding led to hospitalization and death within two days. Postmortem examination revealed multiple Schistosoma mansoni eggs in the spinal cord vasculature. No prior clinical tests had detected schistosomiasis during the patient’s lifetime. The diagnosis was confirmed only after death through histopathological analysis. The patient’s history of travel to Liberia suggested exposure to the parasite. The presence of eggs in the spinal cord indicated a rare complication of the disease. This case adds to the limited literature on spinal schistosomiasis in non-endemic regions.
Conclusions:
The authors propose that schistosomiasis should be considered in the differential diagnosis of spinal cord disease in patients from endemic areas. The postmortem findings suggest that the disease may remain undiagnosed in non-endemic countries. The case highlights the importance of travel and origin histories in neurological evaluations. The authors suggest that clinicians should be aware of the potential for spinal involvement in schistosomiasis. The findings may help improve diagnostic approaches in similar cases. The study emphasizes the need for expanded diagnostic criteria in non-endemic regions. The authors propose that further research is needed to understand the clinical presentation of spinal schistosomiasis. The case provides a valuable example for clinicians to consider in their practice.
The study reports a case of spinal cord schistosomiasis diagnosed postmortem in a patient from Liberia with neurological symptoms.
The diagnosis was confirmed through histopathological examination of the spinal cord at autopsy, revealing Schistosoma mansoni eggs.
Travel or origin history is important because schistosomiasis is endemic in certain regions, and patients from these areas may present with rare complications.
The patient exhibited acute neurological symptoms affecting the lower limbs and severe retroperitoneal bleeding.
Postmortem findings revealed Schistosoma mansoni eggs in the spinal cord vasculature, confirming a diagnosis missed during life.
The authors suggest that clinicians should consider schistosomiasis in the differential diagnosis of spinal cord disease in patients from endemic areas.