The Medical journal of Australia · 1993
A report of human parvovirus B19 infection in hydrops fetalis. First Australian cases confirmed by serology and immunohistology.
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Moore L, Chambers H M, Foreman A R, Khong T Y
Аннотация
OBJECTIVE: To present the first Australian cases of fetal hydrops induced by parvovirus B19.
CLINICAL FEATURES: Autopsies on two cases of intrauterine fetal death with hydrops fetalis and pallor revealed evidence of myocarditis and widespread characteristic inclusion-bearing cells, predominantly erythroblasts. The diagnosis of hydrops fetalis induced by parvovirus B19 was confirmed in both cases by immunohistological localisation of the viral inclusions by means of a monoclonal antibody to the VP1 and VP2 proteins of parvovirus B19. A low level of parvovirus B19 IgM antibodies was detected in the second case.
CONCLUSIONS: It is possible that our relatively small population and lack of familiarity with the histopathological features may have led to underdiagnosis rather than a true absence of fetal parvovirus B19 infection in Australia. The condition can be diagnosed and treated antenatally and therefore should be included in the differential diagnosis of causes of hydrops fetalis.
CLINICAL FEATURES: Autopsies on two cases of intrauterine fetal death with hydrops fetalis and pallor revealed evidence of myocarditis and widespread characteristic inclusion-bearing cells, predominantly erythroblasts. The diagnosis of hydrops fetalis induced by parvovirus B19 was confirmed in both cases by immunohistological localisation of the viral inclusions by means of a monoclonal antibody to the VP1 and VP2 proteins of parvovirus B19. A low level of parvovirus B19 IgM antibodies was detected in the second case.
CONCLUSIONS: It is possible that our relatively small population and lack of familiarity with the histopathological features may have led to underdiagnosis rather than a true absence of fetal parvovirus B19 infection in Australia. The condition can be diagnosed and treated antenatally and therefore should be included in the differential diagnosis of causes of hydrops fetalis.