Abstract:
:The malignant cells of childhood acute lymphoblastic leukemia (ALL) do not form a homogenous entity but a collection of differently maturated blasts. The most immature leukemia cells may be more resistant to therapy than the bulk of more differentiated blasts. We studied 42 patients with childhood ALL treated according to the ALL-BFM 2000 protocol. At diagnosis, we determined the immunophenotype and the aldehyde dehydrogenase (ALDH) activity of the leukemic cells. Additionally, we investigated the expression of CD34, CD38 and CD45 to define a population of immunophenotypically immature cells (CD34(+)/CD38(-)/CD45(-/low)). We then studied levels of minimal residual disease (MRD) after induction therapy (day 33) to determine therapy response. Including all cases (n = 42), there was no correlation between ALDH positive cells, CD34(+)/CD38(-)/CD45(-/low) cells and MRD levels. A subset of 18 ALLs displayed a more mature phenotype with low-ALDH positivity (< 1%). Analyzing this cohort, ALDH positive blasts overlapped with the CD34(+)/CD38(-)/CD45(-/low) population. The initial rate of ALDH positivity correlated with MRD levels at day 33 of therapy (r = 0.61, P < .01). We conclude that in pediatric ALL, ALDH positivity as a marker of immaturity and stemness has prognostic significance only in phenotypically mature cases when the ALDH activity is not a property of the majority of the leukemic blasts. In case of an immature ALL phenotype, ALDH activity might be an inherent characteristic of the whole leukemia and is not limited to a more immature subpopulation that could confer to resistance and increased MRD-levels during therapy.
journal_name
Pediatr Hematol Oncoljournal_title
Pediatric hematology and oncologyauthors
Ahlers J,Witte KE,Schwarze CP,Lang P,Handgretinger R,Ebinger Mdoi
10.3109/08880018.2013.859189subject
Has Abstractpub_date
2014-05-01 00:00:00pages
303-10issue
4eissn
0888-0018issn
1521-0669journal_volume
31pub_type
临床试验,杂志文章abstract::All pediatric osteosarcomas treated in our hospital between 1985 and 1995 were reviewed. There were 26 patients, 15 males and 11 females, aged 20 or less at diagnosis. All had limb primaries. Nineteen patients had localized disease and seven presented with metastases. Intensive multiagent chemotherapy was given both p...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.3109/08880019809028789
更新日期:1998-05-01 00:00:00
abstract::The aim of this retrospective study was to analyze the outcome and identify risk factors associated with progression-free survival (PFS) in 36 children with high-risk neuroblastoma who underwent autologous peripheral blood progenitor cell (PBPC) transplantation between 1994 and 2010. The conditioning regimen used in a...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.3109/08880018.2010.537434
更新日期:2011-03-01 00:00:00
abstract::Disaccharidases activity in the intestinal mucosa samples of rats was examined after intragastric and intramuscular methotrexate therapy. Methotrexate was given on a twice a week schedule (1 mg/kg body weight). The animals were sacrificed after 2 weeks, 1 month, and 2 months of this therapy. A statistically significan...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.3109/08880019009033397
更新日期:1990-01-01 00:00:00
abstract:AIM:In recent years, survival rates of childhood cancers have significantly increased, and occurrence of long-term adverse late effects (eg, insulin resistance, diabetes mellitus, metabolic syndrome, hypertension) has become increasingly important. Early diagnosis of obesity/hypertension in childhood is essential to av...
journal_title:Pediatric hematology and oncology
pub_type: 临床试验,杂志文章
doi:10.1080/08880018.2018.1425784
更新日期:2018-02-01 00:00:00
abstract::This study aimed to address the clinical impact of recombination-activating gene (RAG1) expression and tumor suppressor IKZF1 gene deletions in Philadelphia negative B-cell precursor acute lymphoblastic leukemia (B-ALL) patients. Fifty newly diagnosed pediatric Philadelphia negative B-ALL patients were included in thi...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.1080/08880018.2020.1767739
更新日期:2020-08-01 00:00:00
abstract::Two children with inflammatory pseudotumor (IPT) of the lung are reported. Symptomless "cystic" lesions were present on routine chest x ray. Morphological study of these peculiar lesions included light microscopic, immunohistochemical, and ultrastructural analysis. Histologic appearance of the lesion varied from the f...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.3109/08880019109033439
更新日期:1991-04-01 00:00:00
abstract::Hemophagocytic lymphohistiocytosis (HLH) is a rare and fatal hematological syndrome that causes a disturbance of the immune system. Overall mortality of HLH is greater than 50% and the majority of patients who die do so within the first 8 weeks of chemotherapy treatment. To find clinical parameters relating to high-ri...
journal_title:Pediatric hematology and oncology
pub_type: 临床试验,杂志文章
doi:10.3109/08880018.2013.858198
更新日期:2014-04-01 00:00:00
abstract::A patient with well-differentiated monoblastic leukemia (ANLL FAB-M5b) is described in whom acute leukemia was diagnosed 25 months after having completed postoperative adjuvant chemotherapy for osteogenic sarcoma of the femur. All analyzed metaphases showed 48xy, dup 1(q12), +3, +9. ...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.3109/08880018809031250
更新日期:1988-01-01 00:00:00
abstract:BACKGROUND:Clinical data and data on outcome of extra-osseous Ewing tumors are scarce. PROCEDURE:After a search for Ewing tumors in the database of a single institution over a period of 20 years, 16 out of 192 cases were found to have extra-osseous primary tumors. RESULTS:Ages at initial diagnosis ranged from 2.5 to ...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.1080/08880010902855581
更新日期:2009-06-01 00:00:00
abstract::We present the case of a female newborn with life-threatening bleeding of a ruptured infantile fibrosarcoma (IFS) and consecutive multiorgan dysfunction syndrome shortly after birth. After stabilization, the tumor could be treated without amputation due to surgery, laser therapy, and chemotherapy. The patient is free ...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.3109/08880018.2012.705231
更新日期:2012-09-01 00:00:00
abstract::Autologous blood-derived stem cells were used for stem-cell rescue in a 5-year-old boy with chemotherapy-resistant B-Non-Hodgkin's lymphoma (B-NHL) involving bone marrow. The high dose chemoradiotherapy was carried out 5 months after initial diagnosis during partial remission. The preparative regimen consisted of 12 G...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.3109/08880019009033383
更新日期:1990-01-01 00:00:00
abstract::Primary diffuse leptomeningeal glioneuronal tumors (DLGNT) are rare tumors, recently recognized as a unique entity based on their unique pathologic and clinical characteristics. We report three cases of DLGNT and compare their clinical characteristics and presentation with other reported cases, and with primary leptom...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章,评审
doi:10.1080/08880018.2019.1711270
更新日期:2020-04-01 00:00:00
abstract:OBJECTIVE:Venous thrombotic events (VTE) are a well-recognized complication in pediatric cancer patients. Population-based data on the incidence and characteristics of VTE in all pediatric cancer patients are limited. This information is crucial to identify patients at high risk and design targeted interventions accord...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.1080/08880018.2017.1319450
更新日期:2017-03-01 00:00:00
abstract::Since the mid-1960s intrathecal chemotherapy (methotrexate [MTX], cytarabine [Ara-C], or both, plus hydrocortisone) has constituted the standard approach to prophylaxis and treatment of central nervous system (CNS) leukemia and lymphoma. Intrathecal chemotherapy-related neurotoxicity has been described in a variable p...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.3109/08880019509029588
更新日期:1995-07-01 00:00:00
abstract::The authors report on supernumerary nipples and various hematologic disorders in 7 patients [factor X deficiency (n = 1), factor XI deficiency (n = 2), acute lymphoblastic leukemia (n = 3), and acute myeloblastic leukemia (n = 1)]. They would like to draw attention to the association of supernumerary nipples with hema...
journal_title:Pediatric hematology and oncology
pub_type: 信件
doi:10.1080/08880010490457295
更新日期:2004-07-01 00:00:00
abstract::A firm, painless tumor of the temporal region was excised in a 3-year-old girl. The diagnosis of nonossifying fibromyxoid tumor was established on pathologic examination, which showed that most of the cells formed cords and tubulelike structures in a myxoid background. Bone and osteoid were lacking. The child is free ...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.3109/08880019409140547
更新日期:1994-07-01 00:00:00
abstract::Thalassemic children are at a high risk of graft rejection in cord blood transplantation. To investigate this possible mechanism, the authors evaluated the effect of panel reactive antibody on the growth of CD34(+) cells in vitro. On semisolid medium, CD34(+) cells derived from cord blood were incubated with thalassem...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.1080/08880010902976098
更新日期:2009-07-01 00:00:00
abstract::This study evaluates the efficacy of heparinization in prolonging patency of arterial and central venous catheters in children. A randomized double-blind trial in a tertiary 10-bed pediatric intensive care unit was used to evaluate 300 children (age older than 4 weeks, younger than 18 years). Trial medication consiste...
journal_title:Pediatric hematology and oncology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1080/08880010290097404
更新日期:2002-12-01 00:00:00
abstract:AIM:To standardize diagnosis and treatment of childhood Wilms tumor (WT) in Turkey. METHODS AND PATIENTS:Between 1998 and 2006, WT patients were registered from 19 centers. Patients <16 years with unilateral WT whose treatment started in first postoperative 3 weeks were included. Treatments were stage I favorable (FH)...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.3109/08880010903447375
更新日期:2010-04-01 00:00:00
abstract::The authors describe a 10-year-old boy with beta-thalassemia major who received double-unit unrelated cord blood transplantation and had a rocky post-transplantation course that included an episode of massive pericardial effusion. Pericardial tube drainage was performed for evacuating fluid. Results showed hemorrhagic...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.1080/08880010701364249
更新日期:2007-06-01 00:00:00
abstract::Hemophagocytic lymphohistiocytosis (HLH) embraces the frequently indistinguishable conditions of familial hemophagocytic lymphohistiocytosis (FHL) and virus-associated hemophagocytic syndrome (VAHS). Without therapy FHL is invariably fatal, but successful therapy, including chemotherapy and immunotherapy followed by b...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:
更新日期:2003-12-01 00:00:00
abstract::A 12-year-old female is reported who presented with right hip pain for 6 months. With massive splenohepatomegaly and leukocytosis, CML was suspected and confirmed on bone-marrow examination and cytogenetics. Further investigations confirmed avascular necrosis (AVN) of the right femoral head. CML was treated by hydroxy...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.3109/08880018.2013.831961
更新日期:2014-09-01 00:00:00
abstract::Homozygous beta-thalassemia is usually characterized by severe anemia requiring regular blood transfusion for survival. For homozygous patients with milder clinical manifestations and no dependence on transfusion therapy, the term thalassemia intermedia is usually applied. Genetic mechanisms that may ameliorate the cl...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.3109/08880019509029526
更新日期:1995-01-01 00:00:00
abstract::Treatment of Langerhans cell histiocytosis (LCH) is yet to be established. We treated seven patients with etoposide alone at a dose of 100 mg/m2/day for 3 days given every 3 to 4 weeks for six cycles. Three patients had received prior chemotherapy, two patients were less than 2 years of age, and two had liver dysfunct...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.3109/08880019609030806
更新日期:1996-03-01 00:00:00
abstract::The acquired form of pure red cell aplasia (PRCA) presents either as an acute self-limited disease, predominantly seen in children, or as a chronic illness more frequently seen in adults with rare spontaneous remissions. A 14-year-old boy presented with pallor, without hepatosplenomegaly, jaundice, lymphadenopathy, pe...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.3109/08880018.2010.493577
更新日期:2010-10-01 00:00:00
abstract::Absolute lymphocyte count (ALC) has been associated with overall survival (OS) and event-free survival, but we do not know if ALC is associated with minimal residual disease (MRD) at the end of induction (EOI) and whether it can be used as surrogate marker in resource limited settings. Immunological differences betwee...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.1080/08880018.2019.1594469
更新日期:2019-04-01 00:00:00
abstract::Although most common in tropical regions, population migration has meant that sickle cell disease is now one of the most prevalent genetic diseases worldwide. The issues and challenges faced by physicians and patients have been discussed by an international group of experts representing 4 key regions: the USA, Europe,...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.3109/08880018.2010.505506
更新日期:2011-03-01 00:00:00
abstract::Blast cell chromosome abnormalities at presentation in childhood acute lymphoblastic leukemia (ALL) are common, and different patterns are known to be related to outcome. In contrast, the frequency and importance of further changes at the time of relapse remain unclear. Blast cell karyotype evolution was therefore stu...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.3109/08880019409140537
更新日期:1994-07-01 00:00:00
abstract::A newborn infant presented with intraocular tumor that was clinically diagnosed as retinoblastoma and treated by exenteration of the globe. Within a few weeks however, a large abdominal mass was noted, which was found to involve the left kidney and right lobe of liver. Pathologic evaluation of the intraocular mass as ...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.3109/08880019109033425
更新日期:1991-01-01 00:00:00
abstract::Growth was studied longitudinally in 19 children who were long-term survivors after acute lymphoblastic leukemia (ALL). Of the children, 13 were girls; 6 were boys. They had all undergone a 3-year cytostatic treatment period which included vincristine, adriamycin, asparaginase, methotrexate, purinethol, and prednisone...
journal_title:Pediatric hematology and oncology
pub_type: 杂志文章
doi:10.3109/08880019209016589
更新日期:1992-07-01 00:00:00