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1.
Dermatology ; 240(2): 216-225, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38228125

RESUMO

BACKGROUND: Infants with infantile hemangioma (IH) have been effectively treated with propranolol or atenolol. Concerns were raised about the mental health of these children at school age, due to central nervous system effects of propranolol and visible nature of IH. OBJECTIVE: This study aimed to compare the mental health at school age of children treated with propranolol to children treated with atenolol for IHs and their parents. METHODS: This two-centered cross-sectional study included children aged ≥6 years and treated with either propranolol or atenolol for IH during infancy. Children's outcomes were performance-based affect recognition (Dutch version of the Developmental Neuropsychological Assessment-II [NEPSY-II-NL]), parent-reported emotional and behavioral functioning (Child Behavioral Checklist [CBCL]), and health-related quality of life (KIDSCREEN-27). Parents' outcome was parenting stress (Parenting Stress Questionnaire [OBVL]). RESULTS: Data of 105 children (36 propranolol, 69 atenolol; 6.0-11.8 years) were analyzed. Mental health outcomes did not differ between both ß-blocker groups. Although overall functioning was in line with norms, children presented specific problems concerning affect recognition, parent-reported attention, and social quality of life. Parents showed increased physical symptoms, depressive symptoms, and parent-child relationship problems. CONCLUSION: No difference in mental health at school age was found between children treated with propranolol or atenolol for IH. Although few overall mental health problems were found, specific problems require follow-up. Follow-up of children should be directed toward affect recognition, attention, and social functioning in daily life. Problems reported by parents could be ameliorated by mental health support during and after their infant's ß-blocker treatment.


Assuntos
Atenolol , Hemangioma Capilar , Lactente , Humanos , Criança , Atenolol/uso terapêutico , Propranolol/uso terapêutico , Saúde Mental , Estudos Transversais , Qualidade de Vida , Hemangioma Capilar/tratamento farmacológico , Antagonistas Adrenérgicos beta/uso terapêutico , Pais
2.
Acta Derm Venereol ; 103: adv5286, 2023 Aug 30.
Artigo em Inglês | MEDLINE | ID: mdl-37649330

RESUMO

Parents of infants treated with beta-blockers for infantile haemangioma are often concerned about the long-term aesthetic outcome. This cross-sectional study assessed the influence on the long-term aesthetic outcome of characteristics of the infantile haemangioma, the beta-blocker treatment, and the infant. The study included 103 children aged 6-12 years, treated with beta-blockers (propranolol or atenolol) for infantile haemangioma during infancy (age at treatment initiation ≤1 year) for ≥6 months. Dermatologists and parents scored the Patient Observer Scar Assessment Scale, and the child scored a visual analogue scale. Dermatologists identified whether telangiectasia, fibrofatty tissue, and atrophic scar tissue were present. The long-term aesthetic outcome of infantile haemangioma was judged more negatively by dermatologists and parents in case of a superficial component, ulceration, older age at treatment initiation, higher cumulative dose, and/or shorter follow-up time. According to children, infantile haemangioma located on the head had better aesthetic outcome than infantile haemangioma located elsewhere. Close monitoring, particularly of infantile haemangioma with a superficial component, is essential for early initiation of treatment, and to prevent or treat ulceration. These outcome data can support parental counselling and guide treatment strategy.


Assuntos
Cicatriz , Hemangioma Capilar , Criança , Lactente , Humanos , Estudos Transversais , Prognóstico , Antagonistas Adrenérgicos beta/efeitos adversos , Estética
5.
Clin Transl Sci ; 16(5): 781-796, 2023 05.
Artigo em Inglês | MEDLINE | ID: mdl-36824030

RESUMO

The clinical presentation of patients with slow-flow vascular malformations is very heterogeneous. High clinical burden and subsequent reduced health-related quality of life is something they have in common. There is an unmet medical need for these patients for whom regular treatments like surgery and embolization are either insufficient or technically impossible. Sirolimus has been reported to be effective and overall well-tolerated in most patients. However, the main limitation of sirolimus is the reported high toxicity, especially when target levels of 10-15 ng/mL are being used. We report the results of a phase IIB single-arm open-label clinical trial consisting of 68 (67 in the challenge phase and 68 in the rechallenge phase) evaluable patients (children n = 33 and adults n = 35) demonstrating that treatment with low sirolimus target levels (4-10 ng/mL) is effective in 79.1% of the patients. When sirolimus treatment was stopped, the majority of patients experienced a recurrence of symptoms, supporting prolonged or even lifelong treatment requirement. Adults experienced a higher baseline pain score compared with children, having an estimated marginal mean of 6.2 versus 4.1, p < 0.05; however, they showed a similar decrease to children. Furthermore, the pediatric population experienced less often a sirolimus-related grade I-IV adverse event (35.9% vs. 64.1%, p > 0.05) compared with adults. Additionally, response rates were higher in children compared with adults (93.8% vs. 65.7%, p < 0.05), and children responded faster (28 vs. 91 days, p < 0.05). These results suggest benefits of sirolimus in patients with slow-flow vascular malformations and support its initiation as young as possible.


Assuntos
Sirolimo , Malformações Vasculares , Adulto , Criança , Humanos , Qualidade de Vida , Sirolimo/efeitos adversos , Resultado do Tratamento , Malformações Vasculares/tratamento farmacológico , Malformações Vasculares/induzido quimicamente
6.
Eur J Pediatr ; 182(2): 757-767, 2023 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-36478294

RESUMO

The purpose of this study was to compare long-term neurocognitive functioning (working memory, processing speed, and attention) between children who had been treated with either propranolol or atenolol for infantile hemangioma during infancy. All eligible children (n = 158) aged 6 years or older and treated with propranolol or atenolol as infants were invited to participate in this two-center cross-sectional study. The primary outcome was the Wechsler Intelligence Scale for Children-V Cognitive Proficiency Index (CPI), a measure of working memory, processing speed, and attention. Secondary outcomes were general intelligence, auditory, visuospatial, and narrative memory, as well as executive functioning and sleep. A total of 105 children, of whom 36 had been treated with propranolol (age 6.0-11.8 years, follow-up time 1.6-9.7 years, 19% male) and 69 had been treated with atenolol (age 6.9-9.7 years, follow-up time 4.5-8.4 years, 19% male), were analyzed. The CPI and other neurocognitive outcomes did not differ between the propranolol and atenolol groups and were in line with general population test norms. Post hoc analyses revealed lower CPI scores for males, both compared to participating females (10.3 IQ points, medium effect size) and compared to matched test norms (12.4 IQ points, medium effect size). CONCLUSIONS:  Long-term neurocognitive functioning did not differ between children treated with propranolol and those treated with atenolol for IH. Overall, propranolol and atenolol appear to be safe treatments for IH regarding long-term neurocognitive functioning. The substantially lower CPI scores in males warrant further investigation. TRIAL REGISTRATION:  Netherlands Trial Register, NL7703 https://www.trialregister.nl/trial/7703 What is Known: • Infants with infantile hemangioma are effectively treated with propranolol or atenolol. • Parents and professionals are concerned about long-term neurocognitive effects. WHAT IS NEW: • No long-term (≥ 6 years) differences in neurocognitive functioning were found between children treated with propranolol or atenolol. • Males treated with beta-blockers had substantially lower IQ scores than treated females and males from the general population, which is a matter of concern and should be considered when evaluating the risk/benefit ratio in less severe forms of infantile hemangioma.


Assuntos
Hemangioma Capilar , Hemangioma , Lactente , Feminino , Humanos , Masculino , Criança , Propranolol/efeitos adversos , Atenolol/efeitos adversos , Estudos Transversais , Antagonistas Adrenérgicos beta/efeitos adversos , Resultado do Tratamento
8.
Acta Derm Venereol ; 102: adv00788, 2022 Oct 11.
Artigo em Inglês | MEDLINE | ID: mdl-35506358

RESUMO

Infantile haemangiomas are common benign tumours of infancy, which can be treated effectively with beta-blockers such as propranolol and atenolol. Different types of beta-blockers may result in different long-term aesthetic outcomes. This study evaluated the difference in long-term aesthetic outcomes between infantile haemangiomas treated with either propranolol or atenolol, including the perspective of physicians, parents, and children. Children, aged ≥6 years, treated with propranolol or atenolol for infantile haemangioma during infancy, participated in this 2-centre cross-sectional study. The primary endpoint was change in appearance of the infantile haemangioma from pre-treatment to follow-up, using a physician-rated visual analogue scale (VAS). Secondary outcomes were the Patient Observer Scar Assessment Scale (physician- and parent-rated) and a VAS (child-rated), assessing the residual lesion. In total, 103 children (35 treated with propranolol, 68 with atenolol) were analysed. No differences were found between children treated with propranolol and children treated with atenolol on physician-rated VAS (p = 0.10) or any secondary outcomes. Physicians indicated a large aesthetic improve-ment from pre- treatment to follow-up. Physicians, parents and children were positive about the current state of the residual lesion. Minor sequelae were common (86%). These results, in combination with the favourable safety profile of atenolol, should be considered when choosing beta-blocker treatment for infantile haemangioma.


Assuntos
Hemangioma Capilar , Hemangioma , Antagonistas Adrenérgicos beta/efeitos adversos , Atenolol/efeitos adversos , Estudos Transversais , Estética , Hemangioma/tratamento farmacológico , Hemangioma/patologia , Humanos , Lactente , Propranolol/efeitos adversos , Resultado do Tratamento
9.
Eur J Paediatr Neurol ; 38: 66-72, 2022 May.
Artigo em Inglês | MEDLINE | ID: mdl-35461064

RESUMO

BACKGROUND: Patients with Sturge-Weber syndrome type 1 (SWS1) have a port-wine birthmark (PWB) as cutaneous hallmark. Up to 35% of neonates with a high risk PWB develop SWS1. Clinical manifestations are severe and often progressive. Especially early onset seizures are associated with worse neurocognitive outcome. Identification of pre-symptomatic SWS1 patients is hampered because brain MRI in the first months of life does not always show the for SWS1 characteristic leptomeningeal capillary malformation (LMC). OBJECTIVES: Identification of sensitive and specific MRI predictors for early SWS1 diagnosis. METHODS: In this retrospective single centre study, we included 24 SWS1 patients and 20 controls. We studied specificity and sensitivity for SWS1 diagnosis of LMC and indirect MRI signs such as choroid plexus (CP) size and thickness, abnormal white matter signal, lobar cerebral atrophy, ischemia and cortical calcifications. RESULTS: In SWS1 patients CP thickness and CP thickness ratio on non-contrast brain MRI was significantly increased. The optimal cut-off value of 5.6 mm on the affected side corresponded with a sensitivity of 91.7% and a specificity of 100% for confirmation of SWS1 diagnosis. In 21% of children aged ≤3 months with a later confirmed SWS1 diagnosis, LMC on initial MRI could not be discerned but CP thickness ≥5.6 mm on the affected side confirmed SWS1 diagnosis. CONCLUSIONS: In this study, CP size ratio and thickness were found to be sensitive and specific signs additional to earlier described criteria to support SWS1 diagnosis in neonates and infants which need to be confirmed in other series.


Assuntos
Mancha Vinho do Porto , Síndrome de Sturge-Weber , Criança , Diagnóstico Precoce , Humanos , Lactente , Recém-Nascido , Imageamento por Ressonância Magnética , Mancha Vinho do Porto/diagnóstico , Estudos Retrospectivos , Síndrome de Sturge-Weber/diagnóstico por imagem
10.
Cleft Palate Craniofac J ; 59(4_suppl2): S74-S83, 2022 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-34293942

RESUMO

OBJECTIVE: Life can be challenging for children with a visible difference due to a medical condition, and they might be at risk for emotional and behavioral problems. This study examines emotional and behavioral problems in children with a cleft lip with or without palate (CL ± P) or an infantile hemangioma (IH) in relation to the visibility of the condition, the presence of additional condition-related problems, and parental affect. SETTING: This cross-sectional study took place in an academic medical hospital in the Erasmus MC Sophia Children's Hospital, the Netherlands. PARTICIPANTS: A total of 309 parents (mean age = 40.34, 44.00% male) of 182 children with CL ± P and 48 parents (mean age = 39.21, 37.50% male) of 33 children with an IH completed questionnaires. Children were 1.5 to 12 years old. RESULTS: Parents reported fewer child emotional and behavioral problems compared to normative data. Problems reported were mainly related to learning difficulties and parent gender, while visibility of the condition had no significant influence. Parental negative affect was related to child internalizing problems. Parental positive affect was not related to any of the outcome measures. CONCLUSIONS: Parents reported fewer problems for their children compared to normative data. This is inconsistent with previous research, showing similar or worse scores for these children compared to peers. Our findings may be explained by a protective parenting style, a response shift in parents, or problems developing at a later point in life.


Assuntos
Fenda Labial , Fissura Palatina , Hemangioma , Comportamento Problema , Criança , Pré-Escolar , Fenda Labial/psicologia , Fissura Palatina/psicologia , Estudos Transversais , Feminino , Humanos , Lactente , Masculino , Pais/psicologia
12.
Neurosurg Focus ; 47(4): E3, 2019 10 01.
Artigo em Inglês | MEDLINE | ID: mdl-31574477

RESUMO

OBJECTIVE: Myelomeningocele (MMC) is the most common form of spina bifida, with a lifelong impact on the quality of life for infants born with this condition. In recent decades, fetal surgery has evolved from an experimental therapy to standard of care for many centers in the world. In this study, the authors aimed to provide an overview of the current management and outcomes for infants with MMC managed at their institution. This then provides a center-specific historical cohort for comparison with future antenatal-treated MMC cases. METHODS: This is a retrospective, single-institution cohort study including all consecutive MMC cases between January 1, 2000, and June 1, 2018, at Erasmus MC. Outcome data included closure of the defect (location, timing, and surgical parameters), hydrocephalus management, Chiari malformation type II (CMTII) management, incidence of spinal cord tethering and outcome, motor outcomes, and continence. RESULTS: A total of 93 patients were included with predominantly lumbosacral lesions. Two patients died during follow-up. Hydrocephalus was present in 84%, with a 71% ventriculoperitoneal shunt reoperation rate. Surgery was performed in 12% for a tethered spinal cord at a mean age of 8 years. Decompression surgery was performed in 3 patients for CMTII. Special education in 63% was significantly associated with hydrocephalus (p < 0.015). Nineteen percent of patients were able to walk independently, and 47% were nonambulators. Social continence for urine was obtained in 75% of patients, 4% had fecal incontinence. CONCLUSIONS: This study provides an overview of current MMC outcomes at the authors' center and will serve as a historical cohort for comparison with future fetal surgery cases operated on at the center in the coming years. Apart from a relatively low surgical untethering rate, the authors' outcome data are comparable to those in the literature. Hydrocephalus is highly prevalent in postnatally treated MMC patients; in this study as in much of the literature, hydrocephalus is correlated with a low cognitive function. Fetal surgery for MMC halves the need for shunt treatment in a select group of MMC pregnancies, constituting a major indication for us to undergo the transition to a fetal surgery center. The fetal benefits of open antenatal surgery for MMC are well established, yet long-term data on especially tethered spinal cord are eagerly awaited.


Assuntos
Malformação de Arnold-Chiari/cirurgia , Hidrocefalia/cirurgia , Meningomielocele/cirurgia , Disrafismo Espinal/cirurgia , Criança , Descompressão Cirúrgica/efeitos adversos , Feminino , Humanos , Lactente , Masculino , Gravidez , Qualidade de Vida , Reoperação/efeitos adversos , Estudos Retrospectivos , Derivação Ventriculoperitoneal/efeitos adversos
13.
J Am Acad Dermatol ; 73(2): 258-63, 2015 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-26183969

RESUMO

BACKGROUND: Validated and reliable instruments to measure disease severity are needed to substantiate the benefit of therapies for infantile hemangioma. Two purpose-made systems have been described: the Hemangioma Activity Score (HAS) and the Hemangioma Severity Scale (HSS). OBJECTIVE: We sought to compare the HAS with the HSS in terms of ease of use, accuracy, and outcome in infants treated with oral propranolol. METHODS: A prospective study of 54 infants with infantile hemangioma was conducted from October 2009 to December 2012. Propranolol was initiated at 0.5 mg/kg/d and increased to 2 mg/kg/d on day 3. The HAS and the HSS were applied independently by 2 observers. RESULTS: Intraclass correlation coefficients of the HAS and HSS between the observers was comparable but HSS scores often remained the same upon improvement of the infantile hemangioma and therefore did not reflect disease severity. HAS decreased over time, with a dramatic drop in the first week reflecting an immediate therapeutic response. LIMITATIONS: This is a single-institution study and there may have been some selection bias in the patients who were referred for treatment. CONCLUSIONS: This study suggests that the HAS is preferable to the HSS in evaluating infantile hemangioma response to treatment.


Assuntos
Hemangioma Capilar/tratamento farmacológico , Hemangioma Capilar/fisiopatologia , Síndromes Neoplásicas Hereditárias/tratamento farmacológico , Síndromes Neoplásicas Hereditárias/fisiopatologia , Propranolol/administração & dosagem , Índice de Gravidade de Doença , Neoplasias Cutâneas/tratamento farmacológico , Neoplasias Cutâneas/fisiopatologia , Administração Oral , Antagonistas Adrenérgicos beta/administração & dosagem , Pré-Escolar , Estudos de Coortes , Relação Dose-Resposta a Droga , Esquema de Medicação , Feminino , Seguimentos , Humanos , Lactente , Masculino , Monitorização Fisiológica/métodos , Países Baixos , Variações Dependentes do Observador , Estudos Prospectivos , Fatores de Tempo , Resultado do Tratamento
14.
Eur J Pediatr ; 174(1): 97-103, 2015 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-25156689

RESUMO

UNLABELLED: Infantile haemangioma (IH) is the most frequent childhood tumour. Although it is benign and self-limiting, severe complications can arise due to localisation and fast tumour growth. Management and therapy of IH has changed greatly after 2008 with propranolol. However, the pathogenesis remains elusive. This update provides an overview of all possible mechanisms currently considered. We discuss the possibility that several mechanisms act together, although local hypoxia seems to be important. Clinically, in about half of the cases, an IH is preceded by an anaemic macula (local ischaemia) or a so-called precursor lesion. Laboratory findings indicate stabilisation and an increased transcription activity of hypoxia-inducible factor 1 alpha (HIF1α), leading to up-regulation of its downstream target genes (such as vascular endothelial growth factor (VEGF)), which normally occurs in cases of hypoxia. CONCLUSION: Three main hypotheses have been proposed, namely (1) the theory of tissue hypoxia, (2) the theory of embolization of placental endothelial cells and (3) the theory of increased angiogenic and vasculogenic activity.


Assuntos
Hemangioma Capilar/etiologia , Síndromes Neoplásicas Hereditárias/etiologia , Antagonistas Adrenérgicos beta/uso terapêutico , Hemangioma Capilar/tratamento farmacológico , Hemangioma Capilar/metabolismo , Humanos , Subunidade alfa do Fator 1 Induzível por Hipóxia/metabolismo , Lactente , Síndromes Neoplásicas Hereditárias/tratamento farmacológico , Síndromes Neoplásicas Hereditárias/metabolismo , Propranolol/uso terapêutico , Fator A de Crescimento do Endotélio Vascular/metabolismo
15.
Eur J Pediatr ; 174(2): 259-66, 2015 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-25178895

RESUMO

UNLABELLED: Infantile haemangioma (IH) is the most frequent tumour of infancy. Although it is benign and self-limiting, severe complications can arise due to localisation and fast tumour growth. Also, IHs leave scars after regression in more than half of the cases. Management and therapy of IH have changed greatly after 2008. This update provides an overview of the older therapy options before 2008, which mainly consisted of the administration of corticosteroids, and discusses the modern management with new therapy options such as ß-blockers (both systemically and topically). CONCLUSION: ß-blockers are promising and are currently preferred above corticosteroids, but ß-blockers still do not give a definitive treatment.


Assuntos
Hemangioma/tratamento farmacológico , Hemangioma/história , Adjuvantes Imunológicos/uso terapêutico , Antagonistas Adrenérgicos beta/uso terapêutico , Aminoquinolinas/uso terapêutico , Glucocorticoides/uso terapêutico , História do Século XX , História do Século XXI , Humanos , Imiquimode , Lactente , Recém-Nascido
16.
Pediatr Dermatol ; 30(1): 64-70, 2013.
Artigo em Inglês | MEDLINE | ID: mdl-22958179

RESUMO

Infantile hemangiomas (IHs) are increasingly being treated with propranolol or other beta-blockers, but before this therapeutic option was available, oral glucocorticosteroids (GCSs) were the criterion standard treatment and are still the alternative modality in problematic cases. Nevertheless, there is no standard treatment protocol for the dose and duration of GCSs. Long-term treatment with GCSs is associated with unwanted side effects such as growth suppression, behavioral changes, and reflux. Twenty-one children with troublesome IHs were treated according to an algorithm with 3 mg/kg/day of oral prednisolone divided three times per day with varying duration and number of GCS courses. Two blinded investigators independently interpreted therapy results using the Hemangioma Activity Score (HAS). Side effects were determined according to reports in patient charts and parental questionnaires. The median duration of a short course of GCSs was 2 weeks (range 1-6 weeks). The number of courses was 2 (range 1-5). The median cumulative dose was 91 mg/kg. Growth stabilized in all patients, with a good response (>50% reduction in HAS) in 62% and a favorable response (30-50% reduction is HAS) in 23%. Twelve of the 21 children (57%) had minor side effects. Persistent side effects did not occur. Intermittent short course, systemic, high-dose GCS therapy is an effective and safe treatment modality for IH, with a substantially lower cumulative dose of GCSs compared to prolonged therapy and no major side effects. This treatment is an alternative in cases in which propranolol fails or is contraindicated.


Assuntos
Hemangioma Capilar/tratamento farmacológico , Síndromes Neoplásicas Hereditárias/tratamento farmacológico , Prednisolona/administração & dosagem , Propranolol/uso terapêutico , Neoplasias Cutâneas/tratamento farmacológico , Administração Oral , Adolescente , Criança , Pré-Escolar , Estudos de Coortes , Relação Dose-Resposta a Droga , Esquema de Medicação , Feminino , Seguimentos , Glucocorticoides/efeitos adversos , Glucocorticoides/uso terapêutico , Hemangioma Capilar/congênito , Hemangioma Capilar/patologia , Humanos , Masculino , Síndromes Neoplásicas Hereditárias/congênito , Síndromes Neoplásicas Hereditárias/patologia , Prednisolona/efeitos adversos , Propranolol/efeitos adversos , Estudos Retrospectivos , Medição de Risco , Neoplasias Cutâneas/congênito , Neoplasias Cutâneas/patologia , Resultado do Tratamento
18.
Pediatr Surg Int ; 28(4): 393-8, 2012 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-22200732

RESUMO

PURPOSE: Haemangioma of infancy (HOI) is the most frequently occurring benign tumour of infancy. Alarming HOI require treatment. Current therapy is empirically based; corticosteroids are often administered but in recent publications propranolol was reported to be more effective. Peri-ocular HOI are highly sensitive to corticosteroids. Our goal was to evaluate the effectiveness of intra-lesional corticosteroids in the treatment of peri-ocular HOI. METHODS: We selected all patients with peri-ocular HOI who had only been treated with intra-lesional corticosteroids at our hospital from 1993 until 2009. Treatment was standardized according to a prospective protocol. RESULTS: A total of n = 34 patients were included. There were no complications at all after therapy. A second intra-lesional injection was necessary in five patients. At follow-up after 6 and 12 months after injection, 94 and 91% of the patients, respectively, had regression of the HOI. Astigmatism, Haemangioma Activity Score and global assessments all had improved after therapy. CONCLUSIONS: This study shows that intra-lesional therapy with corticosteroids is very safe in the treatment of peri-ocular HOI. It remains a good and safe alternative besides propranolol or when propranolol therapy is not possible (e.g. asthma, PHACE syndrome, and certain cardiac diseases).


Assuntos
Corticosteroides/administração & dosagem , Neoplasias Palpebrais/tratamento farmacológico , Hemangioma/tratamento farmacológico , Propranolol/administração & dosagem , Feminino , Humanos , Recém-Nascido , Injeções Intralesionais , Masculino , Estudos Prospectivos
19.
Pediatr Dermatol ; 28(3): 295-8, 2011.
Artigo em Inglês | MEDLINE | ID: mdl-20825569

RESUMO

We report a young boy with a malignant tumor, which remained unrecognized for 8 months because it was assumed to be a hemangioma. The presentation of a rhabdoid tumor mimicking hemangioma is very rare. It was reported only on two earlier occasions. Rhabdoid tumors are one of the most aggressive types of malignancies encountered in pediatric oncology. It is important to recognize that a fast growing vascular lesion in a child will often be a hemangioma, but could also be an aggressive tumor.


Assuntos
Hemangioma/diagnóstico , Tumor Rabdoide/diagnóstico , Neoplasias Cutâneas/diagnóstico , Biópsia , Diagnóstico Diferencial , Humanos , Lactente , Masculino , Pele/patologia
20.
J Pediatr Hematol Oncol ; 24(6): 459-62, 2002.
Artigo em Inglês | MEDLINE | ID: mdl-12218593

RESUMO

PURPOSE: Kasabach-Merritt phenomenon (KMP) is characterized by profound thrombocytopenia, microangiopathic hemolytic anemia, a consumptive coagulopathy, and an enlarging vascular lesion. The syndrome develops in infancy and is associated with a high morbidity and mortality rate. The purpose of this study was to assess the effectiveness of vincristine in the treatment of KMP. METHODS: We retrospectively reviewed the clinical and laboratory data of 15 patients with KMP treated with vincristine at 9 institutions across the United States, South America, and Europe. RESULTS: All 15 patients had profound thrombocytopenia and consumption of fibrinogen at presentation. Ten patients had biopsies of their lesions, and results included five (33.3%) kaposiform hemangioendotheliomas, three (20%) tufted angiomas, one lesion (6.7%) with features of both kaposiform hemangioendothelioma and tufted angioma, and one (6.7%) unclassified vascular tumor. All 15 patients had an increase in platelet count of at least 20,000 with an average response time of 4.0 weeks after initiation of vincristine therapy. Thirteen patients had an increase in fibrinogen level of 50 mg/dL with an average response time of 3.4 weeks. In 13 patients there was a significant decrease in the size of the vascular lesion. The average duration of treatment was 21.5 (+/-12.6) weeks. Four patients (26%) relapsed. All four were successfully treated with a second course of vincristine. Complications included one patient with abdominal pain, one patient with transient loss of deep tendon reflexes, and one patient with irritability. CONCLUSION: Vincristine presents a safe and sometimes effective treatment option in the management of KMP.


Assuntos
Antineoplásicos Fitogênicos/uso terapêutico , Hemangioendotelioma/tratamento farmacológico , Hemangioma Capilar/tratamento farmacológico , Trombocitopenia/tratamento farmacológico , Vincristina/uso terapêutico , Feminino , Fibrinogênio/metabolismo , Hemangioendotelioma/complicações , Hemangioendotelioma/patologia , Hemangioma Capilar/complicações , Hemangioma Capilar/patologia , Humanos , Lactente , Recém-Nascido , Masculino , Contagem de Plaquetas , Estudos Retrospectivos , Trombocitopenia/complicações , Trombocitopenia/patologia
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