Ibnu Purwanto
Department Of Internal Medicine, Faculty Of Medicine, Universitas Gadjah Mada/ Dr. Sardjito Hospital, Yogyakarta

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Journal : Medical Journal of Indonesia

Morphological characteristics of leukemia cells in acute myeloblastic leukemia with t(8;21)(q22;q22): possible predictability of t(8;21) Purwanto, Ibnu; Tatsumi, Eiji; Syampurnawati, Meilani; Furuta, Kaho; Hayashi, Yoshitaka; Saigo, Katsuyasu; Masuda, Kayoko; Sakoda, Hiroyuki; Kawano, Seiji; Kumagai, Shunichi; Nagai, Ken-Ichi; Takahashi, Takayuki; Isono, Setsuki; Kondo, Shin-Ichi; Kurnianda, Johan; Haryana, Sofia M.
Medical Journal of Indonesia Vol 16, No 2 (2007): April-June
Publisher : Faculty of Medicine Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (170.854 KB) | DOI: 10.13181/mji.v16i2.260

Abstract

The laboratory systems for chromosomal analysis or the detection of fusion genes are generally not available in Indonesia. Therefore, bone marrow (BM) morphological analysis should be developed and applied to get an accurate diagnosis. In this study the BM smears of eight (8) cases of acute myeloblastic leukemia (AML) which had already been known to have t(8;21)(q22;q22), were morphologically evaluated in order to find out the characteristics, which might be used to predict t(8;21)(q22;q22) or the presence of AML1-ETO(MTG8) fusion gene. All of the cases belonged to AML-M2. The morphological characteristics, indicative of t(8;21) were pink colored cytoplasm in mature neutrophil (75%), neutrophilic myelocytes or metamyelocytes without granules or with scarce granules (2.3%), eosinophilia (eosinophilic myelocytes and metamyelocytes) (above 5%), myelocytes with abundant granules 8.5%, and low percentage of type I blasts (below 10%). These characteristics were not observed in AML-M2 cases without t(8;21) or AML1-ETO(MTG8). The myelocytes with abundant granules have not been described so far, while other characteristics were in line with the findings of Nakamura et al (Leukemia 1997;11:651-55). (Med J Indones 2007; 16:84-8)Keywords: PML-RARA fusion gene, AML1-ETO (MTG8), myelocytes, abundant granul
Non secretory multiple myeloma – a case report Taroeno-Hariadi, Kartika W.; Purwanto, Ibnu; Kurnianda, Johan; Mangunsudirjo, Sagiri; Harijadi, A.; Puntodewo, Puntodewo
Medical Journal of Indonesia Vol 16, No 4 (2007): October-December
Publisher : Faculty of Medicine Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (322.558 KB) | DOI: 10.13181/mji.v16i4.284

Abstract

A rare variant of multiple mieloma, non-secretory multiple myeloma (NSM), is reported. Diagnosis of NSM is made by presentations of lytic bone lesions with bone pain, anemia, slight hypercalcemia, good renal function, negative results of protein and immunoelectrophoresis detecting monoclonal gammopathy, and positive clonal proliferation of plasma cells and atypical plasma cells in bone marrow biopsy. Immunophenotypic study resulted negative pan-B cell antigens and positive CD 79a. Patient condition was improved after institution of combination chemotherapy and 1 year afterward. (Med J Indones 2007; 16:257-60)Keywords: multiple myeloma, non-secretory multiple myeloma, diagnosis, management