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[Many faces of parvovirus].

2 women, aged 31 and 37 years, respectively, suffered from acute febrile illness due to acute infection with human parvovirus B19. 1 also had a maculopapular rash and articular symptoms after her fever stopped, a clinical picture typical of erythema infections. The other had leukopenia and thrombocytopenia and had received dipyrone. Although acute infection with human parvovirus usually occurs in childhood, it may also occur in adults, with protean manifestations.

Adult↗

Human parvovirus B19 infection mimicking systemic lupus erythematosus in an adult patient.

We report a case of widespread immune activation with moderate cytopenia during acute infection with human parvovirus B19 in an adult female patient, in whom five criteria for the diagnosis of systemic lupus erythematosus were present at disease onset. Our case is unusual due to the presence of a cutaneous rash mimicking leukocytoclastic vasculitis at presentation, moderate leukopenia with thrombocytopenia and the presence of a broad array of autoantibodies. Diagnosis was established on the grounds of serological tests confirming recent infection with human parvovirus B19; spontaneous regression of clinical and laboratory abnormalities was observed within 16 weeks, ruling out classic systemic lupus erythematosus. We conclude by proposing that human parvovirus B19 infection should be included in the differential diagnosis of lupus-like syndromes in adult patients.

Adult↗

Juvenile papular-purpuric gloves and socks syndrome.

Papular-purpuric gloves and socks syndrome (PPGSS) occurs mainly in young adults, but it should also be considered in the differential diagnosis of childhood exanthems. The case presented here is the youngest patient hitherto reported with PPGSS and supports the concept of a viral genesis.

Child, Preschool↗

Rashes among schoolchildren--14 states, October 4, 2001-February 27, 2002.

Fourteen states (Arizona, Connecticut, Florida, Georgia, Indiana, Mississippi, New York, Ohio, Oregon, Pennsylvania, Texas, Virginia, Washington, and West Virginia) have reported investigations of multiple schoolchildren who have developed rashes. This report summarizes the investigation by state and local health departments of these rashes, which have occurred during October 2001 through February 2002, and provides examples for four states. Preliminary findings indicate that further investigation is needed to determine whether a common etiology for these rashes exists.

Adolescent↗

TORCH Infections. Toxoplasmosis, Other (syphilis, varicella-zoster, parvovirus B19), Rubella, Cytomegalovirus (CMV), and Herpes infections.

Perinatal infections account for 2% to 3% of all congenital anomalies. TORCH, which includes Toxoplasmosis, Other (syphilis, varicella-zoster, parvovirus B19), Rubella, Cytomegalovirus (CMV), and Herpes infections, are some of the most common infections associated with congenital anomalies. Most of the TORCH infections cause mild maternal morbidity, but have serious fetal consequences, and treatment of maternal infection frequently has no impact on fetal outcome. Therefore, recognition of maternal disease and fetal monitoring once disease is recognized are important for all clinicians. Knowledge of these diseases will help the clinician appropriately counsel mothers on preventive measures to avoid these infections, and will aid in counseling parents on the potential for adverse fetal outcomes when these infections are present.

Chickenpox↗

Clinical and epidemiological aspects of human parvovirus B19 infection in an urban area in Brazil (Niterói city area, State of Rio de Janeiro, Brazil).

This study was designed to analyse the clinical and epidemiological data from human parvovirus B19 cases in a six-year study of rash diseases conduct in an urban area in Brazil (Niterói city area, State of Rio de Janeiro). A total of 673 patients with acute rash diseases were seen at two primary health care units and at a general hospital. A clotted blood sample was collected from all subjects at the time of consultation. Forty-nine per cent (330 cases) of the patients were negative for dengue, rubella and measles IgM or for low avidity IgG to HHV-6. Of these 330, 105 (31.8%) were identified as IgM positive to parvovirus B19 by using an antibody capture EIA. During the study period, three distinct peaks of parvovirus infection were detected, suggesting that the disease appears to cycle in approximately 4-5 years. B19 infection was characterized by variable combinations of fever, flu-like symptoms, arthropathy, and gastrointestinal symptoms. Frequency of fever and arthropathy was substantially higher in adults, 75% [chi2 (1 D.F.) = 11.39, p = 0.0007] and 62.5% [chi2 (1 D.F.) = 29.89, p = 0.0000], respectively. "Slapped-cheek" appearance and reticular or lace-like rash were seen in only 30.1% of the children. No adult presented this typical rash. The lack of the typical rash pattern in a large proportion of parvovirus B19 and the similarity of clinical manifestations to other rash diseases, specially to rubella, highlight the difficulty of diagnosing B19 infection on clinical grounds alone.

Adolescent↗

Viral exanthems.

Viral exanthems are mostly associated with self-limited diseases. However, in some cases diagnosis of an exanthem may be crucial to patients and their contacts. Certain exanthems have fairly characteristic morphology, but in many cases an accurate diagnosis cannot be made on the basis of morphology alone. Historical factors may be helpful when evaluating these patients, specifically their disease contacts, immunization record, previous exanthematous illnesses, and associated prodromal symptoms. Some illnesses are seasonal and this knowledge may be useful. This manuscript reviews a number of common childhood exanthems. We included the most common viral exanthems encountered by primary-care physicians and dermatologists.

Acrodermatitis↗