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Journals and Conferences
We present four cases of infantile cerebellar neoplasms composed of cells with large vesicular nuclei with prominent nucleoli. All four cases were strongly immunoreactive for synaptophysin, and one case showed immunoreactivity for neurofilaments. Filter hybridization for N-myc and c-myc oncogenes showed a 27-fold c-myc amplification in one case. The… (More)
Seven different test systems were utilized to investigate the genetic activity of chromium compounds: infidelity of DNA replication in vitro by DNA pol alpha from calf thymus, damage of DNA detected by alkaline elution in treated mammalian cells or in DNA purified and treated in vitro, DNA repair synthesis in mammalian cells in vitro detected by… (More)
The reciprocal translocation (11;22)(q24;q12) was observed in a seven day culture from a mesenchymal chondrosarcoma of the bone, a tumor not characterized cytogenetically so far. We suggest that because of the presence of a similar cytogenetic abnormality, mesenchymal chondrosarcoma may belong to the wide group of "t(11;22)-small round cell tumors".
Trisomy 12 (+12) is the third most frequent cytogenetic aberration in chronic lymphocytic leukaemia (CLL) retrievable both as the sole chromosomal abnormality or in association with additional alterations. NOTCH1 mutations are known to be more prevalent among +12 patients, whereas mutations of FBXW7, a gene involved in NOTCH1 degradation, that lead to the… (More)
A cytogenetic analysis was performed on short-term cultures of 43 previously untreated childhood central nervous system neoplasms of various histology. The cells were obtained from pediatric patients, none of whom had received therapy before karyotypic evaluation. Successful chromosome studies were performed on 24 tumors. The most commonly detected… (More)
Cytogenetic studies on a supratentorial ependymoma from a 1-year-old boy showed a t(11;17)(q13;q21). This is the second ependymoma reported with a rearrangement at 11q13; to our knowledge the 11q13 is the first recurring breakpoint reported in ependymoma.
We report on a patient with acute promyelocytic leukemia diagnosed at the 22nd week of pregnancy. She received chemotherapeutic treatment and reached a complete remission. At the 28th week of gestation the patient delivered, by cesarean section, a normal male infant. At present the mother is still disease-free 27 months after diagnosis. The child, too, is… (More)
BACKGROUND Bone marrow infiltration occurs rarely at presentation of rhabdomyosarcoma (RMS) or other childhood solid tumors. This possibility leads to misdiagnosis of leukemia and incorrect therapies might be administered. METHODS We report two patients presenting with diffuse bone marrows involvement by neoplastic cells. Initial studies were not… (More)