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Presence of Differentiating Neuroblasts in Bone Marrow is a Favorable Prognostic Factor for Bone Marrow Metastatic Neuroblastoma at Diagnosis
Article in English | WPRIM | ID: wpr-216017
Responsible library: WPRO
ABSTRACT

BACKGROUND:

The prognostic impact of the presence of differentiating neuroblasts in bone marrow (BM) remains unclear in BM metastatic neuroblastoma (NB). We aimed to identify the prognostic impact of differentiating neuroblasts in BM at diagnosis and after chemotherapy.

METHODS:

A total of 51 patients diagnosed with BM metastatic NB at Asan Medical Center between January 1990 and July 2005 were enrolled. BM histology and laboratory data along with overall survival (OS) were compared with regard to the differentiation status of neuroblasts in BM at diagnosis and after chemotherapy.

RESULTS:

Among the 51 patients, 13 (25.5%) exhibited differentiating neuroblasts in BM at diagnosis and 17/51 (33.3%) exhibited them after chemotherapy. The only significant difference among patient groups was the improved OS in patients with differentiated neuroblasts in BM at diagnosis (P=0.021). In contrast, the differentiation status of neuroblasts in BM after chemotherapy did not affect OS (P=0.852).

CONCLUSIONS:

Our study is the first report describing the presence of differentiating neuroblasts in BM. The presence of differentiating neuroblasts in BM at diagnosis may be a favorable prognostic factor for patients with BM metastatic NB; however, the same phenomenon after chemotherapy is irrelevant to prognosis.
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Prognosis / Bone Marrow / Female / Humans / Male / Bone Marrow Cells / Antineoplastic Combined Chemotherapy Protocols / Cell Differentiation / Survival Analysis / Child Language: English Journal: Annals of Laboratory Medicine Year: 2013 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Prognosis / Bone Marrow / Female / Humans / Male / Bone Marrow Cells / Antineoplastic Combined Chemotherapy Protocols / Cell Differentiation / Survival Analysis / Child Language: English Journal: Annals of Laboratory Medicine Year: 2013 Type: Article