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C-kit expression and mutational analysis in medulloblastoma.
Chilton-Macneill S, Ho M, Hawkins C, Gassas A, Zielenska M, Baruchel S. Chilton-Macneill S, et al. Among authors: gassas a. Pediatr Dev Pathol. 2004 Sep-Oct;7(5):493-8. doi: 10.1007/s10024-004-1116-7. Epub 2004 Jul 30. Pediatr Dev Pathol. 2004. PMID: 15547773
Medulloblastoma, a highly invasive primitive neuroectodermal tumor of the cerebellum, is the most common, malignant central nervous system tumor of childhood. ...Characterizing the genetic events that play a role in the biology of these tumors may allow for molecula …
Medulloblastoma, a highly invasive primitive neuroectodermal tumor of the cerebellum, is the most common, malignant central nervous s …
BK virus-associated hemorrhagic cystitis presenting as mural nodules in the urinary bladder after hematopoietic stem cell transplantation.
Schechter T, Liebman M, Gassas A, Ngan BY, Navarro OM. Schechter T, et al. Among authors: gassas a. Pediatr Radiol. 2010 Aug;40(8):1430-3. doi: 10.1007/s00247-010-1556-3. Epub 2010 Mar 11. Pediatr Radiol. 2010. PMID: 20221593
Sonography showed the presence of multiple bladder nodules in a background of diffuse bladder wall thickening. The dominant bladder nodule showed increase in size on serial sonograms and was vascularized on Doppler interrogation. ...
Sonography showed the presence of multiple bladder nodules in a background of diffuse bladder wall thickening. The dominant bladder n …
Human herpesvirus 7 in pediatric hematopoietic stem cell transplantation.
Khanani M, Al-Ahmari A, Tellier R, Allen U, Richardson S, Doyle JJ, Gassas A. Khanani M, et al. Among authors: gassas a. Pediatr Blood Cancer. 2007 May;48(5):567-70. doi: 10.1002/pbc.20829. Pediatr Blood Cancer. 2007. PMID: 16544299
OBJECTIVE: To evaluate children post autologous and allogeneic HSCT, with a positive PCR or immunohistochemistry for HHV-7 either from blood, cerebrospinal fluid (CSF) or any other pathology specimen. ...Nine children were positive for HHV-7 at a median of 21 days ( …
OBJECTIVE: To evaluate children post autologous and allogeneic HSCT, with a positive PCR or immunohistochemistry for HHV-7 either fro …
A basic classification and a comprehensive examination of pediatric myeloproliferative syndromes.
Gassas A, Doyle JJ, Weitzman S, Freedman MH, Hitzler JK, Sharathkumar A, Dror Y. Gassas A, et al. J Pediatr Hematol Oncol. 2005 Apr;27(4):192-6. doi: 10.1097/01.mph.0000159934.35079.b5. J Pediatr Hematol Oncol. 2005. PMID: 15838389
The authors' objectives were to develop a classification system with a list of disorders relevant to children and to characterize pediatric cases of MPS that were devised according to this classification. Based on the predominant proliferating cell lineage, the auth …
The authors' objectives were to develop a classification system with a list of disorders relevant to children and to character …
Predictors of viridans streptococcal shock syndrome in bacteremic children with cancer and stem-cell transplant recipients.
Gassas A, Grant R, Richardson S, Dupuis LL, Doyle J, Allen U, Abla O, Sung L. Gassas A, et al. J Clin Oncol. 2004 Apr 1;22(7):1222-7. doi: 10.1200/JCO.2004.09.108. J Clin Oncol. 2004. PMID: 15051769
PURPOSE: To describe episodes of viridans streptococcal bacteremia (VSB) in a cohort of children with cancer and stem-cell transplant (SCT) recipients and to determine predictors of viridans streptococcal shock syndrome (VSSS) in this group of children. PATIENTS AND METHOD …
PURPOSE: To describe episodes of viridans streptococcal bacteremia (VSB) in a cohort of children with cancer and stem-cell transplant …
Risk of ventriculoperitoneal shunt infections due to gastrostomy feeding tube insertion in pediatric patients with brain tumors.
Gassas A, Kennedy J, Green G, Connolly B, Cohen J, Dag-Ellams U, Kulkarni A, Bouffet E. Gassas A, et al. Pediatr Neurosurg. 2006;42(2):95-9. doi: 10.1159/000090462. Pediatr Neurosurg. 2006. PMID: 16465078
Two groups were identified: the study group included children with a VP shunt and a GT; the control group included children with VP shunts only. ...RESULTS: There were 1,167 children diagnosed and treated with primary brain tumors during the study period (1988-2003) …
Two groups were identified: the study group included children with a VP shunt and a GT; the control group included children wi …
Outcome of allogeneic hematopoietic stem cell transplantation for children with acute myelogenous leukemia in second complete remission: single center experience.
Ishaqi MK, Afzal S, Dupuis A, Doyle J, Gassas A. Ishaqi MK, et al. Among authors: gassas a. Pediatr Transplant. 2009 Dec;13(8):999-1003. doi: 10.1111/j.1399-3046.2008.01101.x. Epub 2009 Nov 18. Pediatr Transplant. 2009. PMID: 19032410
Including the two relapsed patients who were salvaged by DLI and second transplantation, three-yr OS was 0.61 (95% CI; 0.41-0.78) with a median follow-up of three and a half yr (range 1.5-11.2 yr). When entering remission, children with relapsed AML have a re …
Including the two relapsed patients who were salvaged by DLI and second transplantation, three-yr OS was 0.61 (95% CI; 0.41-0.78) with a
Unrelated donor hematopoietic stem cell transplantation for infantile enteropathy due to IL-10/IL-10 receptor defect.
Gassas A, Courtney S, Armstrong C, Kapllani E, Muise AM, Schechter T. Gassas A, et al. Pediatr Transplant. 2015 Jun;19(4):E101-3. doi: 10.1111/petr.12452. Epub 2015 Mar 12. Pediatr Transplant. 2015. PMID: 25761563
Allogeneic HSCT offers a potential cure; however, it was only performed in a few infants and mainly from family-related donors. We report a case of a girl who presented very early in life with severe infantile enterocolitis. Gene sequencing confirmed I …
Allogeneic HSCT offers a potential cure; however, it was only performed in a few infants and mainly from family-related donors …
High alpha-1 antitrypsin clearance predicts severity of gut graft-versus-host disease (GVHD) in children.
Hagen LE, Schechter T, Luk Y, Brodovitch A, Gassas A, Doyle JJ. Hagen LE, et al. Among authors: gassas a. Pediatr Transplant. 2011 Sep;15(6):659-63. doi: 10.1111/j.1399-3046.2011.01553.x. Epub 2011 Jul 29. Pediatr Transplant. 2011. PMID: 21797957
The four children initially suspected of GVHD but who had a negative biopsy completed a total of five collections with a median AATC of 5.0 mL/day (range 3.0-16.0) vs. a median of 33.5 for the remainder of the collections (range 3-561). ...We suggest t …
The four children initially suspected of GVHD but who had a negative biopsy completed a total of five collections with a
Diagnosis of central nervous system relapse of pediatric acute lymphoblastic leukemia: Impact of routine cytological CSF analysis at the time of intrathecal chemotherapy.
Gassas A, Krueger J, Alvi S, Sung L, Hitzler J, Lieberman L. Gassas A, et al. Pediatr Blood Cancer. 2014 Dec;61(12):2215-7. doi: 10.1002/pbc.25235. Epub 2014 Sep 11. Pediatr Blood Cancer. 2014. PMID: 25212396
Medical records of patients with CNS relapse were examined to determine whether CNS relapse was diagnosed based on cytology of a routinely obtained CSF sample, a CSF sample obtained because of signs and symptoms or a CSF sample obtained after the diagnosis of …
Medical records of patients with CNS relapse were examined to determine whether CNS relapse was diagnosed based on cytology of a rout …
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