Publications by authors named "Veronica Solernou"

Background: Epstein-Barr virus (EBV) is a DNA virus with oncogenic potential, especially in immunocompromised patients. EBV can promote smooth muscle proliferation, resulting in EBV-associated smooth muscle tumors (EBV-SMT).

Methods: We report a case of a 10-year-old child with end-stage renal disease secondary to hypoplastic crossed and fused kidneys who underwent kidney transplantation.

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Almost half the children who undergo kidney transplantation (KTx) have congenital abnormalities of the kidney and urinary tract (CAKUT). We compared patient, graft survival, and kidney function at last follow-up between CAKUT and non-CAKUT patients after KTx. We divided the analysis into two eras: 1988-2000 and 2001-2019.

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Juvenile xanthogranuloma is a bening pathology and it represents the most common form of non-Langerhans cell histiocytosis. It is characterized by the presence of papules or firm nodules of a pinkish or yellow-brownish nature, which mainly compromise the skin and, exceptionally, other organs. It is a self-limited entity having a spontaneous regression during the first five years of life.

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High levels of circulating EBV load are used as a marker of post-transplant lymphoproliferative disorders (PTLD). There is no consensus regarding the threshold level indicative of an increase in peripheral EBV DNA. The aim of the study was to clinically validate a developed EBV quantification assay for early PTLD detection.

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We report a retrospective review of patients with retinoblastoma and anterior segment invasion (ASI) as risk factors for extraocular relapse. Only those with ASI combined with postlaminar optic nerve invasion and/or scleral invasion received adjuvant chemotherapy and those with tumor at the resection margin received orbital radiotherapy. Those with only uveal invasion did not receive adjuvant therapy.

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We present a girl 21 months old with recurrent jaundice. Initially she presented fever of unknown origin but jaundice, white coloured stools and pruritus were observed 10 days later. She underwent endoscopic retrograde cholangiopancreatography with sphincterotomy; symptoms dissapeared.

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Importance: Different staging systems for extraocular retinoblastoma have been published, but to date they have not been validated in large cohorts.

Objective: To review 533 patients (and pathology slides) with retinoblastoma included in 4 protocols (January 1, 1988, to December 31, 2009) who received uniform treatment.

Design And Setting: Retrospective review in a hospital setting.

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Aim: To evaluate minimally disseminated disease (MDD) in cytologically negative cerebrospinal fluid (CSF) specimens of patients with high-risk retinoblastoma by the detection of the synthase of ganglioside GD2 mRNA by reverse transcriptase-polymerase chain reaction (RT-PCR).

Methods: The CSF was evaluated in 26 patients with high risk for CSF relapse: 14 with postlaminar optic nerve invasion, five of them with tumour at the resection margin, five with massive choroidal invasion, three with overt orbital extension and four patients with systemic metastasis. Serial CSF examinations were repeated at different time intervals according to stage and in the event of suspected relapse.

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Objectives: To evaluate the outcome of children with different degrees of choroidal invasion, to compare different systems for grading the extent of choroidal invasion, and to assess the role of concomitant prelaminar optic nerve and anterior segment invasion as predictors of extraocular relapse.

Design: Retrospective analysis of children included in 4 prospective protocols (January 1, 1989, through June 31, 2010). Children with postlaminar optic nerve or scleral involvement and overt extraocular disease were excluded.

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