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BC: Articoli scritti da A. Marini

I commenti interpretativi nel referto ematologico di laboratorio
Interpretative comments in the laboratory hematology report
<p>Interpretative comments in the laboratory reports&nbsp;can improve the quality of diagnostic information. The complete blood count with differential (CBC-diff) is one of the&nbsp;hematology laboratory tests with demonstrated clinical usefulness. CBC-diff may include a peripheral blood smear if&nbsp;numerical or morphological review criteria are fulfilled. As such, hematologists need specific skill for interpreting and&nbsp;conveying the diagnostic information to clinicians by using adequate communication approaches. A survey carried&nbsp;out by the SIBioC Diagnostic Hematology Study Group (GdS-DE) showed a heterogeneous situation about the use&nbsp;of the hematological interpretative comments. In each laboratory, different descriptions were used even for the same&nbsp;cell abnormalities. Moreover, some laboratories omit to report relevant morphological abnormalities, such as&nbsp;activated or atypical lymphocytes as well as immature granulocytes, which are often necessary for the diagnosis.&nbsp;Therefore, the GdS-DE has decided to select appropriate comments and to propose a standardized reporting system.&nbsp;First, 423 comments from 13 laboratories were analyzed. These comments were revised with the purpose of: a)&nbsp;reducing the number, b) standardizing the language, c) providing an information in a format that could be easily&nbsp;understood by patients and clinicians, and d) increasing the quality of clinical information. The GdS-DE decided to&nbsp;provide written information for both physicians and patients or for physician&rsquo;s use only. The former is represented by&nbsp;59 comments using a simple and not frightening language, whereas the latter is a letter for the physician in which&nbsp;more specific information is provided.</p>
Biochimica Clinica ; 40(3) 255-269
Documenti SIBioC - SIBioC Documents
 
La diagnostica ematologica nel laboratorio clinico tra evoluzione tecnologica, analisi morfologica e tecniche innovative
The laboratory in hematology diagnostics between new technologies, morphological analysis and innovation
A. Marini  |  S. Buoro  |  M. Panteghini  | 
Biochimica Clinica ; 40(3) 177-179
Editoriale - Editorial
 
Quando l’apparenza inganna: un caso di leucemia acuta con imponente vacuolizzazione dei blasti
Appearance can be deceptive: a case of acute leukemia with marked vacuolation of blasts
A. Marini  | 
<p>A 69-year-old&nbsp;female, suffering from myelodysplastic syndrome, is admitted to the hospital because of worsening of anemia and&nbsp;thrombocytopenia. The blood count confirms anemia (hemoglobin 97 g/L) and thrombocytopenia (platelets 43x109/L)&nbsp;At the optical microscopy 87% blast cells are observed; these are characterized by numerous cytoplasmic vacuoles,&nbsp;mimicking an acute lymphoid leukemia. A similar finding is obtained in myeloaspirate smears. By means of 6-color&nbsp;immunophenotyping, blast cells appear to be positive for CD13, CD33, CD34, CD117, CD38, CD45RA, CD71,&nbsp;myeloperoxidase, and partially positive for CD235a. The positivity for myeloperoxidase is confirmed by standard&nbsp;cytochemistry. Acute myeloid leukemia with myelodysplasia-related changes is diagnosed. This case shows that&nbsp;marked vacuolation of blasts, although more frequent in cases of B-cell acute leukemia, may be present in sporadic&nbsp;cases of acute myeloid leukemia.</p>
Biochimica Clinica ; 40(3) e18-e21
Casi clinici - Case report
 
Valutazione multicentrica dei conteggi cellulari ottenuti con 8 analizzatori ematologici automatici
Multicenter evaluation of blood cell counts on 8 automated hematology analyzers
<p>The cellular analysis&nbsp;performed on hematology analyzers is based on the interaction of cells with electrical or optical signals. The&nbsp;heterogeneity of adopted methods and technologies by different analyzers can translate in a lack of homogeneity in&nbsp;analytical performance. This study compares 8 hematological analyzers vs. optical microscopy (OM) and, where&nbsp;possible, also compares the analyzers among each other. Correlations were assessed by Pearson&#39;s coefficient of&nbsp;correlation, Passing and Bablock regression and Bland-Altman bias plot analysis. The comparison among analyzers&nbsp;regarding leukocyte differential counts showed a good level of agreement, except for the basophil cell count. For this&nbsp;&ldquo;critical population&rdquo;, the bias ranged from -5,8% (Cell-Dyn Sapphire vs. XN-9000) to 30,6% (Advia 2120i vs. XE-2100). The comparison between automated differential leukocyte counts and OM showed also a good level of&nbsp;agreement, with a bias ranging from -0,9% to 8.9%. The bias for basophil cell count was however very high (79.5%).</p>
Biochimica Clinica ; 40(3) 195-203
Contributi scientifici - Scientific Papers
 
Armonizzazione del referto ematologico con l’impego di unità di misura conformi al Sistema Internazionale
Harmonization of the hematology test report by using units according to the International System (SI)
<p>The&nbsp;need for harmonizing hematology reporting units remains an important challenge for the clinical laboratory community.&nbsp;In 2014, the SIBioC Diagnostic Hematology Study Group (GdS-DE) carried out a survey to assess the state-of-the-art&nbsp;of the Italian hematology laboratories. The survey showed that the majority of laboratories report results using units of&nbsp;measurement that do not conform to SI. In some European countries, initiatives to harmonize hematology reporting&nbsp;units were taken some years ago. In particular, in the UK for the reporting of laboratory hematology results the SI units&nbsp;have been used since April 2013 (this includes hemoglobin and mean corpuscular hemoglobin concentrations in g/L).&nbsp;The aim of this GdS-DE proposal is to advocate a national initiative for promoting the adoption of SI units for&nbsp;hematology reporting. This will optimise the comparability of results among different laboratories and prevent the&nbsp;misinterpretation of data, which may worsen the patient&#39;s outcome.</p>
Biochimica Clinica ; 39(6) 627-630
Opinioni - Opinions
 
Stato dell’arte della diagnostica ematologica nei servizi di Medicina di Laboratorio in Italia
State of the art of diagnostic hematology in clinical laboratories in Italy
<p>One of the challenges for laboratories&nbsp;performing diagnostic hematology is the harmonization of diagnostic process. This is a consequence of the rapid&nbsp;technological advancement that has characterized the recent development of automated blood cell counters, with&nbsp;new automation models and new types of parameters provided. In this context, the SIBioC Study Group of Diagnostic&nbsp;Hematology has conducted a survey among Italian laboratories. The aim was to focus on the different ways of&nbsp;organizing the service. The questionnaire consisted of 36 questions, made available on the SIBioC website for&nbsp;members and non members of the society. Responses were received via e-mail, regular mail or fax from 78&nbsp;laboratories. The survey showed differences among laboratories with regard to the organizational models adopted,&nbsp;degree of automation and completeness of final laboratory reports. However, a relative homogeneity in the validation<br />rules, review rate, turnaround time and amount and type of available resources was observed. An unexpected finding&nbsp;was the low relevance that the majority of laboratories gave to the occurrence of atypical lymphocytes, thus not&nbsp;reporting the presence of these cells in interpretative comments.</p>
Biochimica Clinica ; 39(1) 025-040
Contributi scientifici - Scientific Papers