Introduction Posterior reversible leukoencephalopathy syndrome (PRES) is a clinical syndrome of varying aetiologies, characterised by acute neurological symptoms of brain dysfunction with MRI abnormalities in posterior cerebral white and grey matter. In most cases, symptoms resolve without neurological consequences. Aim The aim of this paper is the analysis of predisposing factors, clinical outcomes and radiological features of PRES in eight children with hemato-oncological disease. Material and methods We analysed the medical records of eight hemato-oncological patients aged from 3.0 to 16.1 years. The mean of age at primary diagnosis was 8.5 years. Results All patients had both clinical and radiological PRES features. Seven out of eight underwent intensive chemotherapy regimens. Time elapsed from start of treatment to the occurrence of PRES ranged from 6 to 556 days. In one case, PRES occurred before chemotherapy and was the first symptom of cancer. Most (six of eight) patients had history of hypertension (> 95pc) and some (two of eight) occurred electrolyte imbalance-mainly hypomagnesaemia. Patients presented headache (seven of eight), disturbances of consciousness (six of eight), seizures (six of eight), visual changes (four of eight) and vomiting (three of eight). MRI demonstrated abnormalities in seven children: typical cerebral oedema in the white matter of the occipital to the parietal lobes. Most patient lesions in the MRI shrunk after 4 weeks, and clinical symptoms of PRES disappeared completely within a few hours to few days. Conclusion PRES may complicate oncological treatment in children. Hypertension is the most important risk factor of PRES. PRES should be included in differential diagnosis in all patients with acute neurological symptoms.
Increased angiogenesis is observed both in the inflammatory and in the neoplasmatic tissue. The aim of the study was to assess the diagnostic significance of serum concentration of vascular-endothelial growth factor (sVEGF) and basic fibroblast growth factor (sbFGF) in the various forms of lymphadenopathy in children. Ninety-four children with lymphadenopathy were studied: group A, 52 patients with lymphadenitis; group B, 42 patients with lymphomas. Group B was divided into subgroups: B(P), children with lymphomas in peripheral lymph nodes and B(M), children with lymphomas in peripheral lymph nodes and mediastinal tumor. The healthy control group was 20 children. Using enzyme-linked immunosorbent assays the authors quantified VEGF and bFGF in serum of healthy children and of children with lymphadenopathy. The sVEGF in group A was significantly higher than controls (313.8 versus 44.6 pg/mL; P <.05) and in group B was 633.4 pg/mL and was significantly higher than controls (P <.0001). The sVEGF and bFGF in group A versus subgroup B(P) were significantly lower (P(VEGF) <.05, P(bFGF) <.05), and sVEGF in subgroup B(P) versus B(M) was significantly lower (P <.05). These results show that the evaluation of serum VEGF concentration might be useful as noninvasive diagnosis of some chronic peripheral lymphadenopathies in children.
Objective: Evaluation of children's quality of life (QoL) after finished brain tumour treatment and the association of children's diseases on quality of their parents' life.Methods: The study group was consisted of 46 children after brain tumour treatment (aged 4, 5, to 29 years old). The control group was composed of 104 students of primary, secondary, and high schools. One hundred fifty (104 + 46) parents were included in the study. Standardised QoL questionnaires (PEDsQL-4.0, WHOQOL-BREF) were used. Survivors' QoL was assessed from patients' and their parents' point of view, also the association of children's diseases on quality of their parents' life was estimated.Results: QoL of children after brain tumour treatment was lower than in the control group according to the children (P < 0.001) and their parents (P < 0.001). The survivors worst rated their ability to social functioning (P < 0.0010) and physical functioning (P < 0.001) in comparison with self-assessment of healthy children. According to their parents, the functioning of children in all zones was worse than in the control group, mostly in social (P < 0.001) and physical sphere (P < 0.001), too. QoL of children with low-grade tumour was comparable with QoL of children with high-grade tumour).QoL of survivors' caregivers in study was higher than QoL of parents of control groups (P = 0.023). Conclusions:The quality of patients' life after brain tumour treatment is lower in comparison with healthy children. QoL of the parents of survivor is higher than the QoL of healthy children parents. The assessment of QoL of children after brain tumour treatment should be an inherent element of health monitoring. KEYWORDS brain tumour, children, cancer, oncology, quality of life 1 | BACKGROUND Central nervous system (CNS) tumours are the second most common group of cancers in children, accounting for a more than quarter (26%) of all childhood cancers. 1 Their reported incidence has been increasing over the past 30 years, probably due to improved diagnostics. Composed anticancer therapy usually involves at least one of three main modalities: localised surgical resection, radiotherapy, and/or chemotherapy. 2 Refinements in imaging, surgical technique, and adjunctive therapies have led to longer survival in children with CNS tumours. 3 Over the years, a 5-year survival rate for childhood CNS tumours increased, currently up to 72% owing to the introduction and ongoing modification of powerful treatment protocols. 4Aggressive treatment is often essential to cure this potentially lethal
Background. Angiogenesis is the process of new vessel formation originating from the existing vascular network. It plays an important role in the growth and spread of malignancies, including brain tumors. The process of angiogenesis is characterized by increased expression of vascular endothelial growth factor (VEGF) and basic fibroblast growth factor (bFGF), and by the release of their soluble forms into circulation.
It is crucial to monitor the functions of the thyroid gland in children treated for medulloblastoma because of the high risk of hypothyroidism resulting from the treatment. The change in the echogenicity of the thyroid gland may be an early marker for a dysfunction of this organ in children treated for medulloblastoma.
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