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Navarro S, Cuatrecasas M, Hernández-Losa J, Landolfi S, Musulén E, Ramón Y Cajal S, García-Carbonero R, García-Foncillas J, Pérez-Segura P, Salazar R, Vera R, García-Alfonso P. [Update of the recommendations for the determination of biomarkers in colorectal carcinoma. National Consensus of the Spanish Society of Medical Oncology and the Spanish Society of Pathology]. Rev Esp Patol 2020; 54:41-54. [PMID: 33455693 DOI: 10.1016/j.patol.2020.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 07/02/2020] [Accepted: 07/26/2020] [Indexed: 11/25/2022]
Abstract
This update of the consensus of the Spanish Society of Medical Oncology (Sociedad Española de Oncología Médica - SEOM) and the Spanish Society of Pathology (Sociedad Española de Anatomía Patológica - SEAP), reviews the advances in the analysis of biomarkers in advanced colorectal cancer (CRC) as well as susceptibility markers of hereditary CRC and molecular biomarkers of localized CRC. Recently published information on the essential determination of KRAS, NRAS and BRAF mutations and the possible benefits of determining the amplification of human epidermal growth factor receptor 2 (HER2), the expression of proteins in the DNA repair pathway and the study of NTRK fusions are also evaluated. From a pathological point of view, the importance of analysing the tumour budding and poorly differentiated clusters and its prognostic value in CRC is reviewed, as well as the impact of molecular lymph node analysis on lymph node staging in CRC. The incorporation of pan-genomic technologies, such as next-generation sequencing (NGS) and liquid biopsy in the clinical management of patients with CRC is also outlined. All these aspects are developed in this guide which, like the previous one, will be revised when necessary in the future.
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Affiliation(s)
- Samuel Navarro
- Departamento de Patología, Universidad de Valencia, Hospital Clínico Universitario de Valencia, CIBERONC, Valencia, España.
| | | | - Javier Hernández-Losa
- Departamento de Patología, Hospital Universitario Vall d'Hebron, CIBERONC, Barcelona, España
| | - Stefania Landolfi
- Departamento de Patología, Hospital Universitario Vall d'Hebron, CIBERONC, Barcelona, España
| | - Eva Musulén
- Departamento de Patología, Hospital Universitari General de Catalunya, Grupo Quirónsalud, Sant Cugat del Vallès, España; Grupo de Epigenética del Cáncer, Institut de Recerca contra la Leucèmia Josep Carreras, Badalona, España
| | - Santiago Ramón Y Cajal
- Departamento de Patología, Hospital Universitario Vall d'Hebron, CIBERONC, Barcelona, España
| | - Rocío García-Carbonero
- Departamento de Oncología Médica, Hospital Universitario 12 de Octubre, Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), UCM, CNIO, CIBERONC, Madrid, España
| | - Jesús García-Foncillas
- Departamento de Oncología, Hospital Universitario Fundación Jiménez Díaz, Universidad Autónoma de Madrid, Madrid, España
| | - Pedro Pérez-Segura
- Departamento de Oncología Médica, Hospital Clínico Universitario San Carlos, CIBERONC, Madrid, España
| | - Ramón Salazar
- Departamento de Oncología Médica, ICO ĹHospitalet, Oncobell Program (IDIBELL), CIBERONC, Hospitalet de Llobregat, España
| | - Ruth Vera
- Departamento de Oncología Médica, Complejo Hospitalario de Navarra, Navarrabiomed, IDISNA, Pamplona, España
| | - Pilar García-Alfonso
- Departamento de Oncología Médica, Hospital General Universitario Gregorio Marañón, Madrid, España
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2
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García-Alfonso P, García-Carbonero R, García-Foncillas J, Pérez-Segura P, Salazar R, Vera R, Ramón Y Cajal S, Hernández-Losa J, Landolfi S, Musulén E, Cuatrecasas M, Navarro S. Update of the recommendations for the determination of biomarkers in colorectal carcinoma: National Consensus of the Spanish Society of Medical Oncology and the Spanish Society of Pathology. Clin Transl Oncol 2020; 22:1976-1991. [PMID: 32418154 PMCID: PMC7505870 DOI: 10.1007/s12094-020-02357-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 04/28/2020] [Indexed: 12/16/2022]
Abstract
In this update of the consensus of the Spanish Society of Medical Oncology (Sociedad Española de Oncología Médica—SEOM) and the Spanish Society of Pathology (Sociedad Española de Anatomía Patológica—SEAP), advances in the analysis of biomarkers in advanced colorectal cancer (CRC) as well as susceptibility markers of hereditary CRC and molecular biomarkers of localized CRC are reviewed. Recently published information on the essential determination of KRAS, NRAS and BRAF mutations and the convenience of determining the amplification of human epidermal growth factor receptor 2 (HER2), the expression of proteins in the DNA repair pathway and the study of NTRK fusions are also evaluated. From the pathological point of view, the importance of analysing the tumour budding and poorly differentiated clusters, and its prognostic value in CRC is reviewed, as well as the impact of molecular lymph node analysis on lymph node staging in CRC. The incorporation of pan-genomic technologies, such as next-generation sequencing (NGS) and liquid biopsy in the clinical management of patients with CRC is also outlined. All these aspects are developed in this guide, which, like the previous one, will remain open to any necessary revision in the future.
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Affiliation(s)
- P García-Alfonso
- Departament of Medical Oncology, Hospital General Universitario Gregorio Marañón, Madrid, Spain.
| | - R García-Carbonero
- Departament of Medical Oncology, Hospital Universitario 12 de Octubre, Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), UCM, CNIO, CIBERONC, Madrid, Spain
| | - J García-Foncillas
- Departament of Medical Oncology, Hospital Universitario Fundación Jiménez Díaz, Universidad Autónoma de Madrid, Madrid, Spain
| | - P Pérez-Segura
- Departament of Medical Oncology, Hospital Clínico Universitario San Carlos, CIBERONC, Madrid, Spain
| | - R Salazar
- Departament of Medical Oncology, ICO L'Hospitalet, Oncobell Program (IDIBELL), CIBERONC, Hospitalet de Llobregat, Spain
| | - R Vera
- Departament of Medical Oncology, Complejo Hospitalario de Navarra; Navarrabiomed, IDISNA, Pamplona, Spain
| | - S Ramón Y Cajal
- Department of Pathology, Hospital Universitario Vall D'Hebron, CIBERONC, Barcelona, Spain
| | - J Hernández-Losa
- Department of Pathology, Hospital Universitario Vall D'Hebron, CIBERONC, Barcelona, Spain
| | - S Landolfi
- Department of Pathology, Hospital Universitario Vall D'Hebron, CIBERONC, Barcelona, Spain
| | - E Musulén
- Department of Pathology, Hospital Universitari General de Catalunya, Grupo Quirónsalud, Sant Cugat del Vallès, Spain.,Cancer Epigenetics Group, Institut de Recerca Contra La Leucèmia Josep Carreras, Badalona, Spain
| | - M Cuatrecasas
- Department of Pathology, Hospital Clinic, CIBERehd, Barcelona, Spain
| | - S Navarro
- Department of Pathology, University of Valencia, Hospital Clínico Universitario de Valencia, CIBERONC, Valencia, Spain
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Sofi F, Dinu M, Pagliai G, Pierre F, Gueraud F, Bowman J, Gerard P, Longo V, Giovannelli L, Caderni G, de Filippo C. Fecal microbiome as determinant of the effect of diet on colorectal cancer risk: comparison of meat-based versus pesco-vegetarian diets (the MeaTIc study). Trials 2019; 20:688. [PMID: 31815647 PMCID: PMC6902610 DOI: 10.1186/s13063-019-3801-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 10/11/2019] [Indexed: 01/10/2023] Open
Abstract
Background Convincing evidence suggests that the risk of colorectal cancer (CRC) is increased by the typical Western diet characterized by high consumption of red and processed meat. In addition, some epidemiological studies suggest a reduction in the risk of CRC associated with fish consumption. The role of the gut microbiome in this diet-associated risk is not well understood. Methods/design This is a randomized parallel open clinical trial comprising a total of 150 clinically healthy subjects randomly assigned to three groups: a meat-based diet of which 4 portions per week are red meat (1 portion = 150 g), 3 portions per week are processed meat (1 portion = 50 g), and 1 portion per week is poultry (1 portion = 150 g), for a total amount of 900 g per week of meat and derivatives; a meat-based diet supplemented with alpha-tocopherol; and a pesco-vegetarian diet excluding fresh and processed meat and poultry, but which includes 3 portions per week of fish for a total amount of 450 g per week. Each intervention will last 3 months. The three diets will be isocaloric and of three different sizes according to specific energy requirements. Anthropometric measurements, body composition, and blood and fecal samples will be obtained from each participant at the beginning and end of each intervention phase. The measure of the primary outcome will be the change from baseline in DNA damage induced by fecal water using the comet assay in a cellular model. Secondary outcome measures will be changes in the profile of fecal microbiomes, global fecal and urinary peroxidation markers, and neoplastic biomarkers. Discussion Although epidemiological data support the promoting role of meat and the possible protective role of fish in colon carcinogenesis, no study has directly compared dietary profiles characterized by the presence of these two food groups and the role of the gut microbiome in these diet-associated CRC risks. This study will test the effect of these dietary profiles on validated CRC risk biomarkers. Trial registration ClinicalTrials.gov, NCT03416777. Registered on 3 May 2018.
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Affiliation(s)
- Francesco Sofi
- Department of Experimental and Clinical Medicine, School of Human Health Sciences, University of Florence, Largo Brambilla 3, 50134, Florence, Italy. .,Unit of Clinical Nutrition, Careggi University Hospital, Florence, Italy. .,Don Carlo Gnocchi Foundation Italy, Onlus IRCCS, Florence, Italy.
| | - Monica Dinu
- Department of Experimental and Clinical Medicine, School of Human Health Sciences, University of Florence, Largo Brambilla 3, 50134, Florence, Italy
| | - Giuditta Pagliai
- Department of Experimental and Clinical Medicine, School of Human Health Sciences, University of Florence, Largo Brambilla 3, 50134, Florence, Italy
| | - Fabrice Pierre
- INRA, ToxAlim (Research Centre in Food Toxicology), Universitè de Toulouse, ENVT, INP-Purpan, UPS, Toulouse, France
| | - Francoise Gueraud
- INRA, ToxAlim (Research Centre in Food Toxicology), Universitè de Toulouse, ENVT, INP-Purpan, UPS, Toulouse, France
| | - Jildau Bowman
- Netherlands Organisation for Applied Scientific Research (TNO) Research group: Microbiology and Systems Biology (MSB), Amsterdam, The Netherlands
| | - Philippe Gerard
- Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France
| | - Vincenzo Longo
- Institute of Agricultural Biology and Biotechnology (IBBA), National Research Council (CNR), Pisa, Italy
| | - Lisa Giovannelli
- Department of Neuroscience, Psychology, Drug Research and Children's Health, University of Florence, Florence, Italy
| | - Giovanna Caderni
- Department of Neuroscience, Psychology, Drug Research and Children's Health, University of Florence, Florence, Italy
| | - Carlotta de Filippo
- Institute of Agricultural Biology and Biotechnology (IBBA), National Research Council (CNR), Pisa, Italy
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Kirkpatrick CL, Campbell RA, Hunt KJ. Paleo-oncology: Taking stock and moving forward. Int J Paleopathol 2018; 21:3-11. [PMID: 29778410 DOI: 10.1016/j.ijpp.2018.02.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Revised: 02/02/2018] [Accepted: 02/03/2018] [Indexed: 06/08/2023]
Abstract
This article serves as an introduction to the International Journal of Paleopathology's special issue, Paleo-oncology: Taking Stock and Moving Forward. Reflecting the goals of the special issue, this paper has been designed to provide an overview of the current state of paleo-oncology, to introduce new and innovative paleo-oncological research and ideas, and to serve as a catalyst for future discussions and progress. This paper begins with an overview of the paleo-oncological evidence that can be found in ancient remains, followed by a summary of significant paleo-oncological findings and methodological advances to date. Thereafter, challenges in estimating past prevalence of cancer are highlighted and recommendations are made for future advancements in paleo-oncological research. The ground-breaking studies included in the special issue and referenced throughout this introduction embody the many ways in which progress can be made in the field of paleo-oncology.
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Affiliation(s)
- Casey L Kirkpatrick
- Department of Anthropology, Social Science Center Room 3326, University of Western Ontario, 1151 Richmond St., London, Ontario, N6A 3K7, Canada; Paleo-oncology Research Organization, Minneapolis, MN, USA.
| | - Roselyn A Campbell
- Cotsen Institute of Archaeology, University of California, Los Angeles, 308 Charles E. Young Drive North, A210 Fowler Building/Box 951510, Los Angeles, CL, 90095-1510, USA; Paleo-oncology Research Organization, Minneapolis, MN, USA.
| | - Kathryn J Hunt
- Paleo-oncology Research Organization, Minneapolis, MN, USA.
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Ferrante di Ruffano L, Waldron T. On the importance of considering disease subtypes: Earliest detection of a parosteal osteosarcoma? Differential diagnosis of an osteosarcoma in an Anglo-Saxon female. Int J Paleopathol 2018; 21:128-137. [PMID: 29776880 DOI: 10.1016/j.ijpp.2016.12.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 11/25/2016] [Accepted: 12/02/2016] [Indexed: 06/08/2023]
Abstract
A case of potentially dedifferentiated parosteal osteosarcoma was found in the proximal humerus of an adult female buried in the late Anglo-Saxon cemetery of Cherry Hinton, Cambridgeshire, UK. Key features include a large, dense, lobulated mass attached to the medial metaphysis of the proximal humerus by a broad-based attachment, accompanied by cortical destruction and widespread spiculated periosteal reaction. Radiographic images confirm medullary involvement, lack of continuity between the cortex and external mass, a radiolucent cleavage plane and possible radiolucent zones within the bony masses. Differential diagnoses considered include osteochondroma, myositis ossificans, fracture callus, as well as the primary malignancies of osteosarcoma and chondrosarcoma, and their various subtypes. The macroscopic and radiographic analysis of the tumor is described and discussed within clinical and paleopathological contexts. One of only 19 uncontested examples of osteosarcoma from past human populations, most of which remain unconfirmed, this case represents what we believe to be the earliest, and probably singular, bioarcheological example of parosteal osteosarcoma in human history.
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Affiliation(s)
| | - Tony Waldron
- UCL Institute of Archaeology, 31-34 Gordon Square, London WC1H 0PY, UK
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Hunt KJ, Roberts C, Kirkpatrick C. Taking stock: A systematic review of archaeological evidence of cancers in human and early hominin remains. Int J Paleopathol 2018; 21:12-26. [PMID: 29773338 DOI: 10.1016/j.ijpp.2018.03.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2017] [Revised: 03/08/2018] [Accepted: 03/08/2018] [Indexed: 06/08/2023]
Abstract
This study summarizes data from 154 paleopathological studies documenting 272 archaeologically recovered individuals exhibiting skeletal or soft tissue evidence of cancer (malignant neoplastic disease) between 1.8 million years ago and 1900 CE. The paper reviews and summarizes the temporal, spatial and demographic distribution of the evidence and the methods used to provide the cancer diagnoses. Metastasis to bone is the most widely reported evidence (n = 161), followed by multiple myeloma (n = 55). In the dataset, males were represented more than females (M = 127, F = 94), and middle-adults (35-49) and old-adults (50+) were represented most among age groups (MA = 77, OA = 66). The majority of the evidence comes from Northern Europe (n = 51) and Northern Africa (n = 46). The data are summarized in the Cancer Research in Ancient Bodies (CRAB) Database, a growing online resource for future paleo-oncological research. This systematic review contributes to broader studies of malignant neoplastic disease in antiquity; it provides an overview of paleo-oncological data, discusses the many practical and methodological challenges of paleo-oncological research, and dispels presumptions about cancer's rarity in the past.
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Affiliation(s)
- Kathryn J Hunt
- Paleo-Oncology Research Organization; 106 Group, United States.
| | | | - Casey Kirkpatrick
- Western Ontario University, Canada; Paleo-Oncology Research Organization, United States
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Marques C, Matos V, Costa T, Zink A, Cunha E. Absence of evidence or evidence of absence? A discussion on paleoepidemiology of neoplasms with contributions from two Portuguese human skeletal reference collections (19th-20th century). Int J Paleopathol 2018; 21:83-95. [PMID: 29776881 DOI: 10.1016/j.ijpp.2017.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Revised: 03/03/2017] [Accepted: 03/05/2017] [Indexed: 06/08/2023]
Abstract
Biological, sociocultural, demographic and environmental factors are major contributors to the contemporary burden of oncological diseases. Although cancer's current epidemiological landscape is fairly well known, its past occurrence and history seem more obscure. In order to test the hypothesis that paleopathological diagnosis is an adequate measure of the prevalence of malignant neoplasms in human remains, 131 skeletons (78 females, 53 males, age-at-death range: 15-93 years) from Coimbra and Lisbon Identified Skeletal Collections, 19th/20th century (Portugal), were examined. The cause of death for all of the selected skeletons was a malignant neoplasm, as recorded in the collection's documental files. Through the application of standard paleopathological protocols, it was determined that 17.6% (n = 23) of the skeletons had unequivocal osseous signs of metastatic and/or neoplastic lesions. Forty-five percent (n = 59) had manifest osseous lesions, however the lesional patterns were not clearly pathognomonic. Although all of the analyzed individuals were documented as having succumbed to malignant neoplastic disease, a total of 37.4% (n = 49) of the individuals did not exhibit osseous abnormalities. Individuals with breast cancer often exhibited lesions. This study presents a quantitative estimate of the accuracy of paleopathological diagnosis; as well as a theoretical reflection on the burden of cancer in the past. We emphasize the need for a paradigm shift while thinking about the future of paleo-oncology.
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Affiliation(s)
- Carina Marques
- Research Centre for Anthropology and Health (CIAS), Department of Life Sciences, University of Coimbra, Coimbra, Portugal; Laboratory of Forensic Anthropology, Department of Life Sciences/Center of Functional Ecology, University of Coimbra, Coimbra, Portugal.
| | - Vítor Matos
- Research Centre for Anthropology and Health (CIAS), Department of Life Sciences, University of Coimbra, Coimbra, Portugal
| | - Tiago Costa
- Faculty of Medicine, Lisbon University, Lisbon, Portugal
| | - Albert Zink
- Institute for Mummies and the Iceman, Drususallee 1/Viale Druso 1, 39100 Bozen-Bolzano, Italy
| | - Eugénia Cunha
- Laboratory of Forensic Anthropology, Department of Life Sciences/Center of Functional Ecology, University of Coimbra, Coimbra, Portugal
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Abstract
Neoplasia has long been reported as a rare finding in rabbits, but over the past decades the number of reports on neoplastic disease in rabbits has risen considerably. Similar to other animals, neoplastic changes may occur in any organ system, but the rate in which the organ systems are affected differs considerably. In rabbits, tumors have predominantly been found in the urogenital, hemolymphatic, and integumentary systems. This article discusses current insights on the etiopathogenesis, clinical signs, diagnosis, and treatment of the commonest neoplastic diseases in rabbits and offer guidelines for the correct diagnosis and treatment of the rabbit oncologic patient.
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Affiliation(s)
- Yvonne van Zeeland
- Division of Zoological Medicine, Department of Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 108, Utrecht 3584 CM, The Netherlands.
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Lourido-Cebreiro T, Leiro-Fernández V, Tardio-Baiges A, Botana-Rial M, Núñez-Delgado M, Álvarez-Martín MJ, Fernández-Villar A. The contribution of cell blocks in the diagnosis of mediastinal masses and hilar adenopathy samples from echobronchoscopy. Arch Bronconeumol 2014; 50:267-71. [PMID: 24439256 DOI: 10.1016/j.arbres.2013.11.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2013] [Revised: 11/13/2013] [Accepted: 11/27/2013] [Indexed: 12/25/2022]
Abstract
BACKGROUND Cell block material from puncture can be obtained with endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) in many cases. The aim of this study was to analyse the value of additional information from cell blocks obtained with EBUS-TBNA samples from mediastinal and hilar lymph nodes and masses. METHODS Review of pathology reports with a specific diagnosis obtained from EBUS-TBNA samples of mediastinal or hilar lesions, prospectively obtained over a two-year period. The generation of cell blocks from cytology needle samples, the contribution to morphological diagnosis, and the possible use of samples for immunohistochemistry were analysed. RESULTS One hundred and twenty-nine samples corresponding to 110 patients were reviewed. The diagnosis was lung cancer in 81% of cases, extrapulmonary carcinoma in 10%, sarcoidosis in 4%, lymphoma in 2.7%, and tuberculosis in 0.9%. Cell blocks could be obtained in 72% of cases. Immunohistochemistry studies on the cell blocks were significantly easier to perform than on conventional smears (52.6% vs. 14%, P<.0001). In 4cases, the cell block provided an exclusive morphological diagnosis (3sarcoidosis and one metastasis from prostatic carcinoma) and in 3carcinomas, subtype and origin could be identified. Exclusive diagnoses from the cell block were significantly more frequent in benign disease than in malignant disease (25% vs 0.9%, P=.002). CONCLUSIONS Cell blocks were obtained from 72% of EBUS-TBNA diagnostic procedures. The main contributions of cell blocks to pathology examinations were the possibility of carrying out immunohistochemical staining for the better classification of neoplasms, especially extrapulmonary metastatic tumours, and the improved diagnosis of benign lesions.
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Affiliation(s)
- Tamara Lourido-Cebreiro
- Servicio de Neumología, Instituto de Investigación Biomédica de Vigo, Complexo Hospitalario Universitario de Vigo (CHUVI), Vigo, Pontevedra, España
| | - Virginia Leiro-Fernández
- Servicio de Neumología, Instituto de Investigación Biomédica de Vigo, Complexo Hospitalario Universitario de Vigo (CHUVI), Vigo, Pontevedra, España
| | - Antoni Tardio-Baiges
- Servicio de Anatomía Patológica, Instituto de Investigación Biomédica de Vigo, Complexo Hospitalario Universitario de Vigo (CHUVI), Vigo, Pontevedra, España
| | - Maribel Botana-Rial
- Servicio de Neumología, Instituto de Investigación Biomédica de Vigo, Complexo Hospitalario Universitario de Vigo (CHUVI), Vigo, Pontevedra, España
| | - Manuel Núñez-Delgado
- Servicio de Neumología, Instituto de Investigación Biomédica de Vigo, Complexo Hospitalario Universitario de Vigo (CHUVI), Vigo, Pontevedra, España
| | - M Jesús Álvarez-Martín
- Servicio de Anatomía Patológica, Instituto de Investigación Biomédica de Vigo, Complexo Hospitalario Universitario de Vigo (CHUVI), Vigo, Pontevedra, España
| | - Alberto Fernández-Villar
- Servicio de Neumología, Instituto de Investigación Biomédica de Vigo, Complexo Hospitalario Universitario de Vigo (CHUVI), Vigo, Pontevedra, España.
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