Abstract：
:Multiple myeloma (MM) is a hematological malignancy caused by clonal proliferation of malignant plasma cells (PC). The aim of the work is to determine prognostic significance of morphological subtypes of PC in relation to overall treatment response, long-term survival and other conventional prognostic parameters. One hundred and thirty-nine newly diagnosed MM patients who underwent autologous transplantation in clinical trials conducted in one center were included. Percentual representation of subtypes of plasma cells in bone marrow was measured based on progressive analysis of nucleolus, nuclear chromatin and ratio of nuclei to the volume of cytoplasm (N/C ratio) creating 8 subtypes P000-P111 and four subclassifications of cells. Mature plasma cells (P000, P001) were found in 42.4% of patients; proplasmocytes I (P010, P011, P100) in 38.1% of patients, and proplasmocytes II (P101, P110) in 19.4% of patients. Patients who reached treatment response after autologous transplantation had statistically significant lower frequency of mature plasma cells than patients with no treatment response (median 24.0% vs. 36.0 %; p=0.032). Patients with mature plasma cells of subtype P000 an patients with value P000 ≥ 37% (median 46.8 months vs. 77.8 months; p = 0.020). Patients with proplasmocytes II subtype P110 rings valuable prognostic information and correlation with other prognostic factors as well as total treatment response and survival in MM patients who underwent autologous transplantation.
journal_name
Neoplasmajournal_title
Neoplasmaauthors
Al-Sahmani M,Trnavska I,Sevcikova S,Antosova M,Antosova L,Kissova J,Adam Z,Pour L,Nemec P,Greslikova H,Krejci M,Zahradova L,Bulikova A,Penka M,Hajek Rdoi
10.4149/neo_2011_06_554subject
Has Abstractpub_date
2011-01-01 00:00:00pages
554-60issue
6eissn
0028-2685issn
1338-4317journal_volume
58pub_type
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