International Journal of Hematology-Oncology and Stem Cell Research 2017. 11(3):217-224.

Cytogenetic Abnormalities with Interphase FISH Method and Clinical Manifestation in Chronic Lymphocytic Leukemia Patients in North-East of Iran
Hossein Rahimi, Mohammad Hadi Sadeghian, Mohammad Reza Keramati, Amir Hossein Jafarian, Sepideh Shakeri, Seyyede Fatemeh Shams, Neda Motamedi, Maryam Sheikhi, Hossein Ayatollahi

Abstract


 

Background:

Chronic lymphocytic leukemia (CLL) is one of the most prevalent adult leukemias. This malignancy is known by lymphocytosis for a duration of more than 3 months. In fact, it is a heterogeneous clinical disease with changeable progression. Chromosomal aberrations are significant parameters to predict result and survival rate and find treatment strategies for each patient. Cytogenetic methods are known as sensitive and relatively new procedures to detect abnormalities in genome.

 

Subjects and Methods:

In order to identify CLL-related chromosomal abnormalities, 48 CLL patients included 38 Men and 10 Women with mean age of 58.25±36 were enrolled in this case series study. The survey was done at Cancer Molecular Pathology Research Center, Mashhad University of Medical Sciences. Interphase fluorescent in situ hybridization (I-FISH) was done on unstimulated peripheral blood or bone marrow samples, which were cultured in whole medium culture; it was used to detect chromosomal abnormalities such as 11q- , 13q14-, 17p- , 6q- and trisomy 12 in CLL patients.

Results:

Analysis demonstrated that 45.5% of CLL cases had chromosomal abnormalities; 13.63% had del 17p, 40.90% had del 13q14 and 9.09% had del 11q. Statistical analysis of data revealed a significant relevancy between age variable and splenomegaly occurrence (P value<0.05). The younger the patients were, the less the splenomegaly occurrence.

Conclusion:

Laboratory findings were correlated with clinical data.


Keywords


Chromosomal aberration, chronic lymphocytic leukemia (CLL), Interphase FISH (I-FISH), Polymerase chain reaction (PCR)

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