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Granulocyte colony-stimulating factor (G-CSF) has been used to reduce the duration and/or degree of neutropenia of different etiologies in recent years. In this study, experience with the use of G-CSF (Neupogen, Roche) after 123 courses of highly myelosuppressive chemotherapy administered to 31 (20 female, 11 male) patients with pediatric solid tumors is reported. G-CSF was initialed at a white blood cell (WBC) count of 918 ± 452/μL (100-2000), at a dose of 7.6 ± 2.3 μg/kgl/d (5-14) subcutaneously for 5.2 ± 2.4 days (2-18). G-CSF was given for afebrile neutropenia after 82 and for febrile neutropenia after 41 courses. Only in two episodes where G-CSF was given for afebrile neutropenia, fever developed. The average hospitalization period for febrile neutropenia was 9.8 ± 3.3 days (5-20). Chemotherapy could be given on scheduled time and dosage in 90% of the courses in which G-CSF was used for afebrile neutropenia. G-CSF was well tolerated. Bone pain was observed in two patients and urticaria in one patient. In conclusion, G-CSF increased the WBC count effectively, there were only two febrile episodes in 82 courses in children receiving G-CSF for afebrile neutropenia, it was well tolerated, and it was found to be feasible for use in a developing country. 相似文献
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E. Tasdemiroglu E. Bagatur I. Ayan E. Darendeliler R. A. Patchell 《Acta neurochirurgica》1996,138(11):1261-1266
Summary Five cases of primary spinal column sarcomas are presented. Sarcomas primarily originating from paravertebral soft tissues were excluded. Patients' age ranged from 1 to 14 years (mean 8.4 years). The male: female ratio was 23. Two patients had Ewing's sarcoma (ES) originating from L5-S1 and L4-5 pedicles, respectively; two patients had mesenchymal chondrosarcoma (MCS) originating from L1-2 pedicles and L5 body, respectively; and one patient had osteogenic sarcoma (OS) of C4 body. All patients clinically presented with pain and progressive weakness of the extremities. The time that elapsed between the onset of symptoms and diagnoses ranged from one to five months. All cases were treated with chemotherapy, radiotherapy and subtotal tumour resection with spinal canal decompression. Two cases received posterior spinal fusion operations. Three patients were alive 10 to 98 months following diagnosis. Only the case with ES of L5-S1 pedicles was in complete remission and off therapy at the 98th postoperative month. The two MCS cases were in partial remission, and were receiving chemoterapy at the time of analysis. These tumours caused similar clinical findings and prognoses, and required combined treatment, which consisted of surgery, radiotherapy and chemotherapy; histologically three different types of malignant tumours are presented in the same category. We preferred surgical decompression and stabilization procedures especially for neurologically symptomatic patients, even if they had extensive tumours with high grades. By spinal canal decompression and stabilisation, we did not intend to cure the disease; however, we intended to provide neurological improvement, spinal stabilisation, improved quality of life, early mobilisation of the patient, and cytoreduction by means of surgical tumour ablation, which could render the chemotherapy more effective. 相似文献
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Ayan I Luca JW Jaffe N Yazici H Ekmekçioğlu S Hansen MF 《Journal of experimental & clinical cancer research : CR》1998,17(4):497-502
Although somatic mutations of p53 are the most common genetic changes observed to date, the frequency of germline p53 mutations is found to be very low in sporadic malignant tumors. It has been postulated that de novo germline p53 mutations may occur in a substantial population of patients in pediatric age group, who die of their disease and do not propagate the mutation. To determine the frequency and type of p53 germline mutations in pediatric patients, we screened 65 children who were consecutively admitted with primary malignant solid tumors. 相似文献
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Ayan Kusari MA Jessica Sprague MD Lawrence F. Eichenfield MD Catalina Matiz MD Victoria R. Barrio MD 《Pediatric dermatology》2018,35(4):494-497
Primary cutaneous aspergillosis is a rare but potentially life‐threatening disease. We present the case of a premature infant who developed primary cutaneous aspergillosis with Aspergillus niger at the site of a skin abrasion that had been treated with a purple‐colored cyanoacrylate product. The infection was treated successfully with gentle debridement of the cyanoacrylate product, followed by intravenous voriconazole and topical fluconazole. To our knowledge, this is the first reported case of primary cutaneous aspergillosis occurring at the site of cyanoacrylate‐based skin adhesive. 相似文献
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Hand‐foot‐skin reaction related to use of the multikinase inhibitor sorafenib and hard orthotics
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Ayan Kusari MA Jenna Borok MAS Allison M. Han AB Alix Jessika Valderrama MD Sheila Fallon Friedlander MD 《Pediatric dermatology》2018,35(4):e206-e209
Hand‐foot‐skin reaction is a distinct clinical condition arising in association with the use of multikinase inhibitors, including sorafenib. Because multikinase inhibitors are increasingly being used in children with cancer, recognition of this previously unfamiliar condition is of importance to pediatric dermatologists. We describe the diagnosis and successful treatment of a case of hand‐foot‐skin reaction in a child taking sorafenib for an unresectable desmoid tumor. 相似文献