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Biomedical subjects

A A Wagner

Publications and source records attributed to A A Wagner.

4 recordsLinked to original sources

Double hepatitis B virus infection in a patient with HIV/hepatitis C virus coinfection and 'anti-HBc alone' as serological pattern.

Reported here is a case of double hepatitis B virus (HBV) infection in an HIV/hepatitis C virus (HCV)-coinfected patient with antibodies against hepatitis B core antigen as the only serological marker (anti-HBc alone). Two different HBV genotypes were identified in this patient. A search of the medical literature indicated this report is the first to describe a multiple silent HBV infection in an HIV/HCV-coinfected-patient. The elevated incidence of the anti-HBc alone pattern in HIV-positive patients and the increasing number of silent HBV infections detected in those patients demonstrate the need to carefully examine HIV-positive patients for occult HBV infection. In addition, it appears necessary to thoroughly study such patients in order to evaluate the impact of mixed HBV infection and triple HIV/HCV/HBV infection on morbidity.

DNA, Viral↗

Diagnostic imaging in children with urinary tract infection: the role of intravenous urography.

Ninety children referred to hospital with urinary tract infection (UTI) were investigated by iv urography (IVU), ultrasonography (US) and 99mTc dimercaptosuccinic acid scan (DMSA). Fifty-eight children also underwent micturating cystourethrography (MCUG). In 36 (40%) of the children, at least one result was abnormal. Abnormal findings were found in 29 children with IVU, in 10 with US and in 16 with DMSA. Six of the 58 children had vesicoureteric reflux (VUR) in 8 kidneys. In 16 children, IVU was the only examination with an abnormal result, and in 10 of these the findings were considered important for treatment or prognosis. IVU is an important supplement to US and DMSA in investigation programs for children with UTI. IVU should be performed in cases of renal scars, dilatations or in children with recurrent infections.

Adolescent↗

Papillary glioneuronal tumor--a new tumor entity.

Glioneuronal neoplasms of the CNS comprises a heterogeneous group of generally low-grade tumors expressing glial and neuronal cells of varying differentiation. Recently, a new variant of the glioneuronal tumors has been identified. We present a case of a glioneuronal tumor located in the left frontal lobe of a 16-year-old boy who developed seizures 6 months after brain concussion. MR scan demonstrated an irregular, but well circumscribed, mixed cystic and solid tumor with contrast enhancement in the solid part. Histology showed a papillary glioneuronal tumor. The tumor is indolent with no sign of recurrence after gross total resection.

Adolescent↗