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Schistosoma Mansoni and S. Haematobium Infections in Egypt
IV. Hepatic Lesions
Ismail A. Kamel
Ismail A. Kamel
Department of Pathology, Faculty of Medicine, Cairo University, Department of Pathology, Naval Medical Research Unit Number 3, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases and Laboratory of Statistical and Mathematical Methodology, Division of Computer Research and Technology, National Institutes of Health, Cairo, Egypt
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Anwar M. Elwi
Anwar M. Elwi
Department of Pathology, Faculty of Medicine, Cairo University, Department of Pathology, Naval Medical Research Unit Number 3, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases and Laboratory of Statistical and Mathematical Methodology, Division of Computer Research and Technology, National Institutes of Health, Cairo, Egypt
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Allen W. Cheever
Allen W. Cheever
Department of Pathology, Faculty of Medicine, Cairo University, Department of Pathology, Naval Medical Research Unit Number 3, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases and Laboratory of Statistical and Mathematical Methodology, Division of Computer Research and Technology, National Institutes of Health, Cairo, Egypt
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James E. Mosimann
James E. Mosimann
Department of Pathology, Faculty of Medicine, Cairo University, Department of Pathology, Naval Medical Research Unit Number 3, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases and Laboratory of Statistical and Mathematical Methodology, Division of Computer Research and Technology, National Institutes of Health, Cairo, Egypt
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Ray Danner
Ray Danner
Department of Pathology, Faculty of Medicine, Cairo University, Department of Pathology, Naval Medical Research Unit Number 3, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases and Laboratory of Statistical and Mathematical Methodology, Division of Computer Research and Technology, National Institutes of Health, Cairo, Egypt
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We performed 400 consecutive autopsies in Cairo, Egypt. The intensity of schistosome infection in these cases was measured by counting adult worms recovered by perfusion and dissection and by counting eggs in the tissues of infected cases. Symmers' clay pipestem fibrosis of the liver was clearly related to the presence and intensity of Schistosoma mansoni, but not S. haematobium, infection. Morphologic findings in cases with Symmers' fibrosis were comparable to those in Brazilian cases, and the intensity of S. mansoni infection associated with Symmers' fibrosis was similar in Brazil and Egypt. The fine bilharzial periportal fibrosis described by Hashem was not identified in our material, and Symmers' fibrosis was present in all cases of portal hypertension caused by schistosomiasis. Schistosome eggs were found concentrated in areas of portal fibrosis of cases with Symmers' fibrosis. In the absence of Symmers' fibrosis, eggs did not concentrate in large portal areas regardless of the intensity of infection or the presence of lesser degrees of portal fibrosis. We thus feel it unlikely that Symmers' fibrosis is formed by the fusion of fibrotic granulomas around the schistosome eggs.
Author Notes
Department of Pathology, Cairo University.
Naval Medical Research Unit Number 3, Cairo, and Laboratory of Parasitic Diseases, NIAID, NIH.
Laboratory of Statistical and Mathematical Methodology, Division of Computer Research and Training, NIH.
| Past two years | Past Year | Past 30 Days | |
|---|---|---|---|
| Abstract Views | 484 | 239 | 5 |
| Full Text Views | 15 | 1 | 0 |
| PDF Downloads | 11 | 2 | 0 |