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Preanalytical aspects influences immunocytochemistry result in pulmonary samples (CROSBI ID 655768)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Harabajsa, Suzana ; Jonjić, Nives ; Juroš, Zrinka ; Vrabec Branica, Božica ; Smojver-Ježek, Silvana Preanalytical aspects influences immunocytochemistry result in pulmonary samples / British Association for Cytopathology (ur.). Liverpool, 2016. str. 145-145

Podaci o odgovornosti

Harabajsa, Suzana ; Jonjić, Nives ; Juroš, Zrinka ; Vrabec Branica, Božica ; Smojver-Ježek, Silvana

engleski

Preanalytical aspects influences immunocytochemistry result in pulmonary samples

Objective: To present the preanalytical aspects of immunocytochemistry (ICC) procedure in pulmonary cytology samples in our institution. Materials and methods: Retrospective analysis included 428 ICC samples processed in one year in Division of Pulmonary Cytology. Among 428 samples were 100 (23, 36%) bronchial washings (BW) ; 118 (27, 57%) bronchial brushings (BB) ; 18 (4, 21%) bronchoalveolar lavage fluids (BAL) and 41 (9, 58%) transbronchial fine needle aspirations (TBFNA) obtained during bronchoscopies. Among others, were 62 (14, 49%) lymph node FNAs (LN) ; 31 (7, 24%) transthoracic fine needle aspirations (TTFNA) and 58 (13, 55%) pleural effusions (PE). Pulmonologists and radiologists obtained all samples except lymph nodes FNAs. Before ICC, unstained slides were microscopically evaluated for optimal number of malignant cells. Influence of the sample type, number of malignant cells, absence of staining and the sample desquamation during ICC process on the final ICC report were analysed. Results: Among 428 ICC samples, 39 (9, 11%) were inadequate for interpretation. Inadequate samples included 5/39 (12, 82%) BW ; 7/39 (17, 95%) BB ; 1/39 (2, 56%) BAL ; 5/39 (12, 82%) TBFNA ; 12/39 (30, 77%) PE ; 5/39 (12, 82%) LN and 4/39 (10, 26%) TTFNA. Among 31/39 (79, 49%) samples with insufficient number of malignant cells were 4/31 (12, 90%) BW ; 5/31 (16, 13%) BB ; 1/31 (3, 23%) BAL ; 4/31 (12, 90%) TBFNA ; 11/31 (35, 48%) PE ; 3/31 (9, 68%) LN and 3/31 (9, 68%) TTFNA. Staining was absent in 5/39 (12, 82%) samples including 1/5 BW ; 2/5 BB ; 1/5 PE and 1/5 LN. Among 3/39 (7, 69%) desquamated samples were one TBFNA, LN and TTFNA. Conclusion: Pleural effusion was a sample with the highest percentage of unsuccessful ICC due to suboptimal preanalytical procedure. Optimal dilution of antibodies prevents the absence of staining. Routine usage of adequate cytological slides may prevent sample desquamation. Additional microscopic examination of unstained slides is helpful in minimising number of inadequate samples for ICC.

40th European congress of cytolog

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Podaci o prilogu

145-145.

2016.

objavljeno

Podaci o matičnoj publikaciji

British Association for Cytopathology

Liverpool:

Podaci o skupu

40th European Congress of Cytology

poster

02.10.2016-05.10.2016

Liverpool, Ujedinjeno Kraljevstvo

Povezanost rada

Kliničke medicinske znanosti