RESUMO
OBJECTIVE: Racial/ethnic patterning in the risk of obesity and overweight has been observed in early childhood; however, little research has compared these disparities between the United Kingdom (UK) and United States (US) using detailed ethnic classifications. We use comparable nationally representative cohort studies to examine racial/ethnic disparities in mean body mass index (BMI) and in the odds of obesity/overweight in the UK and US. The contribution of sociodemographic, cultural and family routine factors are assessed. METHODS: Data on BMI, obesity and overweight in 5-year-old children from the MCS (Millennium Cohort Study) and ECLS-B (Early Childhood Longitudinal Study, Birth Cohort) were examined. We investigated race/ethnic disparities in mean BMI and in the odds of obesity and overweight, as compared to normal weight. We assessed the independent contribution of sociodemographic, cultural and family routine factors to observed disparities. RESULTS: In the UK, after adjustment for sociodemographic, cultural and family routine factors and maternal BMI, we found Black Caribbean children to have higher odds ratio (OR=1.7, confidence interval (CI)=1.1-2.6), Pakistani children to have lower odds of obesity (OR=0.60, CI=0.37-0.96) and Black African children were more likely to be overweight (OR=1.40, CI=1.04-1.88). In the US, in fully adjusted models, there were no race/ethnic disparities in children's odds of obesity and overweight. CONCLUSION: Disparities for Bangladeshi children in the UK and Mexican, other Hispanic and American Indian children in the US can be explained by socioeconomic disadvantage, whereas a range of cultural and family characteristics partially explain disparities for other groups in the UK. Future public health initiatives focused on reducing risk of overweight and obesity should consider the diverse socioeconomic and cultural profiles of all race/ethnic groups.
Assuntos
Disparidades nos Níveis de Saúde , Hispânico ou Latino/estatística & dados numéricos , Indígenas Norte-Americanos/estatística & dados numéricos , Obesidade Infantil/etnologia , Fatores Etários , Bangladesh/etnologia , Índice de Massa Corporal , Região do Caribe/etnologia , Criança , Pré-Escolar , Estudos Transversais , Feminino , Humanos , Estudos Longitudinais , Masculino , Americanos Mexicanos/estatística & dados numéricos , Razão de Chances , Obesidade Infantil/epidemiologia , Obesidade Infantil/prevenção & controle , Fatores de Risco , Fatores Socioeconômicos , Reino Unido/epidemiologia , Estados Unidos/epidemiologiaRESUMO
Although pediatric stem cell transplantation is associated with elevated risks for quality-of-life (QOL) deficits, morbidity, and late effects, little is known about how supportive care needs are addressed across different pediatric centers. This study examined practice patterns among centers enrolled in the Pediatric Blood and Marrow Transplant Consortium. In all, 65 centers (response rate=82.2%) were surveyed regarding QOL screening, psychosocial intervention services, and long-term follow-up care. Approximately 80% of centers provided routine screening for psychological difficulties and pain. A smaller number screened for fatigue (69.2%), cognitive deficits (52.3%), sleep difficulties (60.0%) or spiritual concerns (38.5%). Screening was conducted predominantly via interview; little use was made of standardized measures. Community-based centers screened some deficits more frequently than did academic ones (all P's=0.09). In all, 60% of centers provided support groups and 49.2% offered arts-in-medicine programs. Most centers provided extended follow-up care. In some, follow-up continued until age 21 (45.4%), while in others it was sustained indefinitely (40.6%). Findings suggest that QOL screening would be enhanced by greater attention to domains that currently receive limited scrutiny, and by increased use of validated measures to supplement interview information. The proportion of centers that provide extended follow-up is encouraging, and offers opportunities to study long-term outcomes.
Assuntos
Instalações de Saúde/normas , Transplante de Células-Tronco Hematopoéticas/psicologia , Apoio Social , Adolescente , Adulto , Criança , Coleta de Dados , Atenção à Saúde/normas , Atenção à Saúde/estatística & dados numéricos , Seguimentos , Instalações de Saúde/estatística & dados numéricos , Transplante de Células-Tronco Hematopoéticas/efeitos adversos , Transplante de Células-Tronco Hematopoéticas/estatística & dados numéricos , Humanos , Programas de Rastreamento/estatística & dados numéricos , Transtornos Mentais/diagnóstico , Transtornos Mentais/etiologia , Transtornos Mentais/terapia , Dor/diagnóstico , Dor/etiologia , Manejo da Dor , Pediatria/normas , Qualidade de Vida/psicologiaRESUMO
Stem cell transplantation has assumed a prominent place in the treatment of multiple myeloma, but relative to patients with other malignancies there is surprisingly little information about the adjustment difficulties and quality-of-life changes that these patients experience. This study examined psychosocial and functional deficits among myeloma patients assessed at a uniform period during their initial diagnostic evaluation, prior to beginning protocols at a transplant center. Validated self-report measures and clinician rating scales were used to assess 213 patients. Outcomes evaluated included emotional distress (Hospital Anxiety and Depression Scale, Brief Symptom Inventory), depression (Hamilton Depression Rating Scale), physical functioning, pain, and energy (SF-12). A significant proportion of patients experienced compromised psychosocial and physical functioning. Roughly one-third reported clinically elevated levels of distress, anxiety, and depression. In all, 59% scored below age-adjusted norms for daily physical functioning, 58% reported at least moderate levels of pain, and over 80% noted at least moderate fatigue. Clinical and demographic correlates of these outcomes were examined. These findings are among the first to characterize quality-of-life outcomes among myeloma patients in the transplant setting, and indicate that many patients experience considerable supportive care needs even prior to beginning aggressive regimens. Results highlight the importance of early screening.
Assuntos
Mieloma Múltiplo/psicologia , Mieloma Múltiplo/terapia , Transplante de Células-Tronco/métodos , Transplante Autólogo/métodos , Adaptação Psicológica , Adulto , Idoso , Idoso de 80 Anos ou mais , Depressão , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Qualidade de Vida , Transplante de Células-Tronco/psicologia , Estresse Psicológico , Transplante Autólogo/psicologia , Resultado do TratamentoRESUMO
Growing attention has focused on associations between religious involvement and health outcomes for cancer patients. Unfortunately, research has been hampered by lack of measures suitable for use in oncology settings. This study examined the performance of one recently developed measure, the Santa Clara Strength of Religious Faith Questionnaire (SCSORF). Initial investigations with cancer patients in a bone marrow transplant program and with non-oncology patients yielded promising results. This study provided additional information about temporal stability and convergent validity. The measure was evaluated in two well-defined samples: (1) 95 breast cancer patients, and (2) 53 healthy young adults. Most of the cancer patients had recent diagnoses and localized or regional disease. In each sample, the instrument demonstrated high test-retest reliability (r's=0.82-0.93) and internal consistency (r's=0.95-0.97). It displayed strong correlations with measures of intrinsic religiosity (r's=0.67-0.82, p<0.0001), and moderate correlations with organizational religiosity (r's=0.61-069, p<0.0001), non-organizational religiosity (r's=0.52-0.55, p<0.0001), comfort from religion (r=0.58, p<0.0001), and ratings of self as religious (r=0.58, p<0.0001). Among cancer patients, scores were significantly associated with optimism (r=0.30, p<0.01), but not with openness of family communication about cancer or perceived social support. These data build on previous findings with cancer patients, and suggest that the SCSORF may be a useful measure of religious faith in oncology settings.
Assuntos
Neoplasias da Mama/psicologia , Cristianismo/psicologia , Nível de Saúde , Religião e Psicologia , Inquéritos e Questionários/normas , Adaptação Psicológica , Adulto , Neoplasias da Mama/terapia , Estudos de Casos e Controles , Comunicação , Família/psicologia , Feminino , Humanos , Pessoa de Meia-Idade , Negativismo , Autoimagem , Apoio Social , Estatísticas não Paramétricas , Resultado do TratamentoRESUMO
Lymphomatoid granulomatosis, a rare condition in children, affects the lungs primarily but may have significant extrapulmonary manifestations, especially in the central nervous system. We report a case of lymphomatoid granulomatosis with onset after the completion of chemotherapy for childhood acute lymphoblastic leukemia. Two months after treatment ended, the 7-year-old girl developed splenomegaly, cervical adenopathy, and bilateral interstitial pulmonary infiltrates. She improved on cefotaxime but experienced a seizure 1 month later. A computed tomography scan of the head was normal, but her pulmonary infiltrates had become nodular. A computed tomography-guided biopsy of 1 of the nodules revealed cellular interstitial pneumonitis. One month later, she had persistent pulmonary infiltrates, marked splenomegaly, and new seizures. Magnetic resonance imaging of the head revealed cerebral nodules. Itraconazole was begun, and the pulmonary infiltrates resolved. Five months after her initial symptoms, she developed tonic pupil and a decreased level of consciousness. Dexamethasone was initiated. Needle biopsies of the brain were carried out, yielding the diagnosis of severe chronic inflammatory changes focally consistent with granuloma. The child redeveloped splenomegaly and fever, and then suffered an acute decompensation with hypoxemia, tachypnea, splenomegaly, and cardiac gallop. Open-lung biopsy revealed lymphomatoid granulomatosis. Lymphoma-directed therapy was initiated, and the patient had complete resolution of pulmonary and cerebral nodules 5 months later. No intrathecal chemotherapy was administered, and radiation therapy was not necessary. Neuropsychological testing obtained after completion of therapy revealed an improvement in attention, coordination, and fine motor speed over time. She is now in good health and attending school.
Assuntos
Neoplasias Encefálicas/diagnóstico , Neoplasias Pulmonares/diagnóstico , Granulomatose Linfomatoide/diagnóstico , Segunda Neoplasia Primária/diagnóstico , Leucemia-Linfoma Linfoblástico de Células Precursoras/tratamento farmacológico , Antineoplásicos/uso terapêutico , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Biópsia , Neoplasias Encefálicas/tratamento farmacológico , Pré-Escolar , Feminino , Humanos , Neoplasias Pulmonares/tratamento farmacológico , Granulomatose Linfomatoide/tratamento farmacológico , Imageamento por Ressonância Magnética , Segunda Neoplasia Primária/tratamento farmacológicoRESUMO
BACKGROUND: Little is known about how patients cope with head and neck cancer despite its devastating impact on basic functioning. This study examined coping patterns among patients at different phases of illness. METHODS: Participants were 120 patients with advanced disease, who were grouped according to the following phases of illness: (1) pretreatment, (2) on treatment, (3) <6 months after treatment, and (4) >6 months after treatment. Coping was assessed with the COPE questionnaire, and outcome measures assessed general distress (Profile of Mood States) and illness-specific distress (Impact of Events Scale). RESULTS: Use of specific coping responses differed among the groups. Denial (p <.05), behavioral disengagement (ie, giving up or withdrawing, p <.05), suppression of competing activities (ie, focusing exclusively on the illness, p <.01), and emotional ventilation (p <.10) were most characteristic of patients who were receiving or had recently completed treatment. There were no differences in flexibility of coping or overall effort expended, but patients who were on treatment or who had recently completed treatment used the greatest number of strategies. Generally, denial, behavioral disengagement, and emotional ventilation were associated with greater distress. CONCLUSIONS: Results suggest that phase of illness may be important in shaping patients' responses to life-threatening illness.
Assuntos
Adaptação Psicológica , Neoplasias de Cabeça e Pescoço/psicologia , Neoplasias de Cabeça e Pescoço/terapia , Qualidade de Vida , Adaptação Fisiológica , Adulto , Fatores Etários , Idoso , Estudos Transversais , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Índice de Gravidade de Doença , Fatores Sexuais , Perfil de Impacto da Doença , Inquéritos e QuestionáriosRESUMO
Considerable evidence suggests that group interventions are a valuable resource for cancer patients, but few conceptual frameworks are available to guide decisions about which approaches might be most useful for which patients at what phases of illness. This article presents an integrative treatment model for group services. It describes different group interventions geared toward patients at different phases of illness to accommodate the shifting needs and concerns that evolve over the course of the disease. Recommendations are offered concerning further research and model development.
Assuntos
Neoplasias/psicologia , Equipe de Assistência ao Paciente , Psicoterapia de Grupo , Feminino , Humanos , Pessoa de Meia-Idade , Qualidade de Vida , Papel do Doente , Assistência Terminal/psicologiaRESUMO
OBJECTIVE: To evaluate the reliability and validity of a new, disease-specific quality-of-life measure for patients with head and neck cancer: the European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire--QLQ-H&N35. DESIGN: Cross-sectional study using questionnaire data and medical chart review. SETTING: Academic tertiary care otolaryngology clinic. PARTICIPANTS: One hundred twenty ambulatory patients, including 30 patients with advanced head and neck cancer in each of the following stages of treatment: (1) prior to treatment, (2) during active treatment, (3) within 6 months of completing treatment, and (4) more than 6 months after completing treatment. In addition, (5) a comparison group of 40 patients without malignant disease was included (total sample, N = 160). MAIN OUTCOME MEASURES: Scores on EORTC Quality of Life Core Questionnaire (QLQ-C30) and head and neck module (QLQ-H&N35), Profile of Mood States, and Impact of Events Scale. RESULTS: The QLQ-H&N35 demonstrated acceptable reliability (internal consistency). It successfully discriminated between cancer patients and the comparison group, and among subgroups of cancer patients at different phases of treatment (construct validity). The instrument was sensitive to the effects of radiation treatment and to site of disease. Its low-to-moderate correlations with the EORTC core questionnaire indicated that the QLQ-H&N35 provided unique information (discriminant validity). Scores were significantly associated with a number of demographic variables. CONCLUSION: Results support the use of this disease-specific measure to assess quality of life among patients with advanced head and neck cancer.
Assuntos
Neoplasias de Cabeça e Pescoço/psicologia , Qualidade de Vida , Inquéritos e Questionários , Atividades Cotidianas , Estudos de Casos e Controles , Estudos Transversais , Feminino , Neoplasias de Cabeça e Pescoço/epidemiologia , Indicadores Básicos de Saúde , Humanos , Masculino , Pessoa de Meia-Idade , Reprodutibilidade dos TestesRESUMO
Despite increasing interest in the relationship between religious involvement and health outcomes for cancer patients, research has been limited by the lack of appropriate measures. Few of the many instruments available are well suited to cancer patients. The current study examined the psychometric properties of one recently developed measure, the Duke Religious Index (DRI), which assesses several aspects of religious involvement. The DRI was evaluated in two distinct samples: 104 cancer patients receiving treatment at a bone marrow transplantation program and 175 gynecology clinic patients. The instrument demonstrated good internal consistency (coefficient alphas 0.87-0.94). Moderate to high correlations with other measures of religiosity provided support for convergent validity. Modest relationships with other measures commonly used in psychosocial oncology (e.g., optimism, social support, purpose in life) indicated that the instrument provides unique information (all rs's < 0. 42). Small relationships with social desirability response bias, negative affect, and relationship cohesion further supported the divergent validity of the instrument (all rs's < 0.22). The DRI was significantly associated with demographic characteristics but not with medical variables. Findings support the value of the DRI for use in oncology settings.
Assuntos
Neoplasias/psicologia , Avaliação de Resultados em Cuidados de Saúde , Religião e Medicina , Inquéritos e Questionários/normas , Assistência Terminal , Adulto , Arkansas , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Reprodutibilidade dos TestesRESUMO
OBJECTIVE: To test the hypothesis that perfluorocarbon (PFC) priming before surfactant administration improves gas exchange and lung compliance, and also decreases lung injury, more than surfactant alone. DESIGN: Prospective, randomized animal study. SETTING: Animal research laboratory of Children's Hospital of St. Paul. SUBJECTS: Thirty-two newborn piglets, weighing 1.55 +/- 0.18 kg. INTERVENTIONS: We studied four groups of eight animals randomized after anesthesia, paralysis, tracheostomy, and establishment of lung injury using saline washout to receive one of the following treatments: a) surfactant alone (n = 8); b) priming with the PFC perflubron alone (n = 8); c) priming with perflubron followed by surfactant (n = 8); and d) no treatment (control; n = 8). Perflubron priming was achieved by instilling perflubron via the endotracheal tube in an amount estimated to represent the functional residual capacity, ventilating the animal for 30 mins, and then removing perflubron by suctioning. After all treatments were given, animals were mechanically ventilated for 4 hrs. MEASUREMENTS AND MAIN RESULTS: We evaluated oxygenation, airway pressures, respiratory system compliance, and hemodynamics at baseline, after induction of lung injury, and at 30-min intervals for 4 hrs. Histopathologic evaluation was carried out using a semiquantitative scoring system and by computer-assisted morphometric analysis. After all treatments, animals had decreased oxygenation indices (p < .001) and increased respiratory system compliance (p < .05). Animals in PFC groups had similar physiologic responses to treatments as animals treated with surfactant only; both the PFC-treated groups and the surfactant-treated animals required lower mean airway pressures throughout the experiment (p < .001) and had higher pH levels at 90 and 120 mins (p < .05) compared with the control group. Pathologic analysis demonstrated decreased lung injury in surfactant-treated animals compared with animals treated with PFC or the controls (p < .02). CONCLUSIONS: Priming the lung with PFC neither improved the physiologic effects of exogenous surfactant nor improved lung pathology in this animal model.
Assuntos
Fluorocarbonos/uso terapêutico , Pré-Medicação , Surfactantes Pulmonares/uso terapêutico , Síndrome do Desconforto Respiratório do Recém-Nascido/tratamento farmacológico , Animais , Animais Recém-Nascidos , Lavagem Broncoalveolar , Emulsões/uso terapêutico , Hemodinâmica/efeitos dos fármacos , Humanos , Hidrocarbonetos Bromados , Recém-Nascido , Pulmão/patologia , Complacência Pulmonar/efeitos dos fármacos , Estudos Prospectivos , Troca Gasosa Pulmonar/efeitos dos fármacos , Distribuição Aleatória , Respiração Artificial , Síndrome do Desconforto Respiratório do Recém-Nascido/patologia , Síndrome do Desconforto Respiratório do Recém-Nascido/fisiopatologia , Mecânica Respiratória/efeitos dos fármacos , SuínosRESUMO
Research in psychosocial oncology has grown considerably. In this article, psychological interventions for cancer patients are reviewed. The following four areas are examined: (1) adjustment and quality of life, (2) symptom control, (3) immune function, and (4) disease progression. In each area, psychosocial dimensions of risk and resilience, the efficacy of current interventions, and the trajectory of future developments are considered.
Assuntos
Adaptação Psicológica , Neoplasias/psicologia , Psicofisiologia , Humanos , Qualidade de VidaRESUMO
OBJECTIVE: To evaluate the effect of prolonged partial liquid ventilation with perflubron (partial liquid ventilation), using conventional and high-frequency ventilatory techniques, on gas exchange, hemodynamics, and lung pathology in an animal model of lung injury. DESIGN: Prospective, randomized, controlled study. SETTING: Animal laboratory of the Infant Pulmonary Research Center, Children's Health Care-St. Paul. SUBJECTS: Thirty-six newborn piglets. INTERVENTIONS: We studied newborn piglets with lung injury induced by saline lavage. Animals were randomized into one of five treatment groups: a) conventional gas ventilation (n = 8); b) partial liquid ventilation with conventional ventilation (n = 7); c) partial liquid ventilation with high-frequency jet ventilation (n = 7); d) partial liquid ventilation with high-frequency oscillation (n = 7); and e) partial liquid ventilation with high-frequency flow interruption (n = 7). After induction of lung injury, all partial liquid ventilation animals received intratracheal perflubron to approximate functional residual capacity. After 30 mins of stabilization, animals randomized to high-frequency ventilation were changed to their respective high-frequency modes. Hemodynamics and blood gases were measured before and after lung injury, after perflubron administration, and then every 4 hrs for 20 hrs. Histopathologic evaluation was carried out using semiquantitative scoring and computer-assisted morphometric analysis on pulmonary tissue from animals surviving at least 16 hrs. MEASUREMENTS AND MAIN RESULTS: All animals developed acidosis and hypoxemia after lung injury. Oxygenation significantly (p < .001) improved after perflubron administration in all partial liquid ventilation groups. After 4 hrs, oxygenation was similar in all ventilator groups. The partial liquid ventilation-jet ventilation group had the highest pH; intergroup differences were seen at 16 and 20 hrs (p < .05). The partial liquid ventilation-oscillation group required higher mean airway pressure; intergroup differences were significant at 4 and 8 hrs (p < .05). Aortic pressures, central venous pressures, and heart rates were not different at any time point. Survival rate was significantly lower in the partial liquid ventilation-flow interruption group (p < .05). All partial liquid ventilation-treated animals had less lung injury compared with gas-ventilated animals by both histologic and morphometric analysis (p < .05). The lower lobes of all partial liquid ventilation-treated animals demonstrated less damage than the upper lobes, although scores reached significance (p < .05) only in the partial liquid ventilation-conventional ventilation animals. CONCLUSIONS: In this animal model, partial liquid ventilation using conventional or high-frequency ventilation provided rapid and sustained improvements in oxygenation without adverse hemodynamic consequences. Animals treated with partial liquid ventilation-flow interruption had a significantly decreased survival rate vs. animals treated with the other studied techniques. Histopathologic and morphometric analysis showed significantly less injury in the lower lobes of lungs from animals treated with partial liquid ventilation. High-frequency ventilation techniques did not further improve pathologic outcome.
Assuntos
Fluorocarbonos/uso terapêutico , Ventilação em Jatos de Alta Frequência/métodos , Síndrome do Desconforto Respiratório/terapia , Animais , Animais Recém-Nascidos , Modelos Animais de Doenças , Hemodinâmica , Hidrocarbonetos Bromados , Troca Gasosa Pulmonar , Síndrome do Desconforto Respiratório/patologia , Síndrome do Desconforto Respiratório/fisiopatologia , SuínosRESUMO
We compared the effects of surfactant and partial liquid ventilation (PLV), and the impact of administration order, on oxygenation, respiratory system compliance (Crs), hemodynamics, and lung pathology in an animal lung injury model. We studied four groups: surfactant alone (S; n = 8); partial liquid ventilation alone (PLV-only; n = 8); surfactant followed by partial liquid ventilation (S-PLV; n = 8); and partial liquid ventilation-followed by surfactant (PLV-S; n = 8). Following treatments, all animals had improved oxygenation index (OI) and Crs. Animals in PLV groups showed continued improvement over 2 h (% change OI: PLV-S -83% versus S -47%, p < 0.05; % change Crs: S-PLV 73% versus S 13%, p < 0.05). We also saw administration-order effects: surfactant before PLV improved Crs (0.92 ml/cm H2O after surfactant versus 1.13 ml/cm H2O after PLV, p < 0.02) without changing OI, whereas surfactant after PLV did not change Crs and OI increased (5.01 after PLV versus 8.92 after surfactant, p < 0.03). Hemodynamics were not different between groups. Pathologic analysis demonstrated decreased lung injury in dependent lobes of all PLV-treated animals, and in all lobes of S-PLV animals, when compared with the lobes of the S animals (p < 0.05). We conclude that surfactant therapy in combination with PLV improved oxygenation, respiratory system mechanics, and lung pathology to a greater degree than surfactant therapy alone. Administration order affected initial physiologic response and ultimate pathology: surfactant given before PLV produced the greatest improvements in pathologic outcomes.
Assuntos
Fluorocarbonos/farmacologia , Pneumopatias/fisiopatologia , Pulmão/efeitos dos fármacos , Surfactantes Pulmonares/farmacologia , Mecânica Respiratória/efeitos dos fármacos , Animais , Animais Recém-Nascidos , Gasometria , Complacência (Medida de Distensibilidade)/efeitos dos fármacos , Modelos Animais de Doenças , Hemodinâmica/efeitos dos fármacos , Pulmão/fisiopatologia , Pneumopatias/tratamento farmacológico , Pneumopatias/patologia , Lesão Pulmonar , Troca Gasosa Pulmonar/efeitos dos fármacos , Distribuição Aleatória , SuínosRESUMO
This report describes the features of unilateral cystic renal lymphangiectasia in a 2-year-old child who presented with hypertension, massive ascites, a left flank mass, and no evidence of familial renal cystic disease. The child became normotensive and is now asymptomatic more than 3 years after surgery. The clinical presentation and diffuse pathologic involvement are similar to findings for the few pediatric patients with cystic lymphangiectasia described in the literature and appear distinct from the more localized form of the disease seen in adults.
Assuntos
Doenças Renais Císticas/patologia , Linfangiectasia/patologia , Pré-Escolar , Humanos , MasculinoRESUMO
Hemangiopericytoma occurs infrequently in children, and mediastinal sites are exceedingly rare. We report a case of mediastinal hemangiopericytoma in a 4-year-old child, which resulted in the patient's death due to large size, anatomic location, and associated perioperative bleeding. The pathologic diagnosis was established on the basis of light microscopic, immunohistochemical, and electron microscopic features. The presentation and clinical course of this case contrast with those of congenital or infantile hemangiopericytoma, which generally has a favorable outcome. Hemangiopericytoma should be considered in the differential diagnosis of large mediastinal masses in children.
Assuntos
Hemangiopericitoma/patologia , Neoplasias do Mediastino/patologia , Pré-Escolar , Evolução Fatal , Humanos , Imageamento por Ressonância Magnética , MasculinoRESUMO
BACKGROUND: A unique case of primary testicular lymphoma in a child is reported. METHODS: Tumor tissue was studied using immunohistochemical techniques and southern blot hybridization to detect immunoglobulin and bcl-2 gene rearrangement and in situ hybridization for the Epstein-Barr virus (EBV) genome. RESULTS: Light microscopy revealed a lymphocytic infiltrate with a follicular pattern. Immunohistochemical staining revealed lambda light chain restriction and gene rearrangement studies revealed a clonal rearrangement of the immunoglobulin heavy chain, confirming a clonal neoplastic process. Immunostaining failed to detect bcl-2 protein expression, and no evidence of bcl-2 gene rearrangement was noted on southern blot analysis. In situ hybridization for EBV nucleic acid in tumor tissue was negative. CONCLUSIONS: To the authors' knowledge, this is the first report of a case of a primary testicular lymphoma with follicular histology in a child. Despite the follicular histology, no evidence of bcl-2 expression or gene rearrangement was detected.
Assuntos
Linfoma Folicular/diagnóstico , Neoplasias Testiculares/diagnóstico , Criança , Diagnóstico Diferencial , Regulação Neoplásica da Expressão Gênica , Rearranjo Gênico , Herpesvirus Humano 4/genética , Humanos , Técnicas Imunoenzimáticas , Hibridização In Situ , Linfoma Folicular/genética , Masculino , Neoplasias Testiculares/genéticaRESUMO
A non-immune complex-mediated glomerulonephritis associated with persistent hypocomplementemia occurred in a young boy. Measurement of complement components revealed complete factor H deficiency, inherited as an autosomal recessive trait. Evaluation of the renal lesion revealed extensive deposition of type III collagen suggestive of collagen type III glomerulopathy, a recently identified cause of chronic renal insufficiency in children and adults. This report represents the first association of inherited factor H deficiency with collagen type III glomerulopathy.
Assuntos
Doenças do Colágeno/genética , Colágeno/genética , Fator H do Complemento/deficiência , Glomerulonefrite/genética , Transtornos da Coagulação Sanguínea/genética , Transtornos da Coagulação Sanguínea/patologia , Fatores de Coagulação Sanguínea/metabolismo , Criança , Colágeno/metabolismo , Doenças do Colágeno/metabolismo , Doenças do Colágeno/patologia , Fator H do Complemento/análise , Proteínas do Sistema Complemento/metabolismo , Glomerulonefrite/metabolismo , Glomerulonefrite/patologia , Humanos , Rim/patologia , MasculinoRESUMO
Sacrococcygeal teratoma is the most common extragonadal germ cell tumor of infancy. Associated urological complications, most of which are reported in children with malignancy, include vesicoureteral reflux, ureteral and urethral obstruction, and neurogenic bladder. To evaluate the influence of tumor grade and type on adverse urological outcome we reviewed the charts of 29 children with sacrococcygeal teratoma and correlated urological problems to lesion type and grade. No correlation was noted between tumor grade and the incidence of urological complications. The most common urological complications were neurogenic bladder in 12% of the patients, ureteral obstruction in 10% and vesicoureteral reflux in 7%. The highest incidence of urological complications (81%) was seen in patients with type IV (presacral) disease. We recommend early radiographic and neurourodynamic evaluation in all children with sacrococcygeal teratoma.
Assuntos
Neoplasias de Tecidos Moles/complicações , Teratoma/complicações , Doenças Urológicas/etiologia , Feminino , Seguimentos , Humanos , Lactente , Recém-Nascido , Masculino , Estudos Retrospectivos , Região SacrococcígeaRESUMO
A 3-year-old girl received conventional-dose external beam posterior fossa irradiation (5400 cGy in 30 fractions over 40 days) for good-risk medulloblastoma. Soon thereafter, she experienced an extraneural (occipital scar, cervical lymph nodes) and central nervous system (CNS) recurrence. Intensive cisplatin and cyclophosphamide chemotherapy led to rapid disappearance of the extraneural disease. Methotrexate was administered via a ventricular reservoir. After 2 months of chemotherapy, CNS toxicity progressed rapidly from ataxia to paraplegia to quadriplegia to central respiratory failure. Radiographic scans and autopsy material revealed brain stem necrosis. This unusual toxicity raises concern about the safety of aggressive systemic chemotherapy and intrathecal therapy, when given after conventional radiotherapy.