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Parra-Medina R, Castañeda-González JP, Chaves-Cabezas V, Alzate JP, Chaves JJ. Diagnostic performance of immunohistochemistry markers for malignant pleural mesothelioma diagnosis and subtypes. A systematic review and meta-analysis. Pathol Res Pract 2024; 257:155276. [PMID: 38603842 DOI: 10.1016/j.prp.2024.155276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 03/21/2024] [Accepted: 03/26/2024] [Indexed: 04/13/2024]
Abstract
BACKGROUND Malignant pleural mesothelioma (MPM) poses diagnostic challenges due to its resemblance to benign pleural pathologies and different histological subtypes. Several immunohistochemistry markers have been employed to aid in accurate diagnosis. METHODS The present systematic review and meta-analysis aimed to assess the diagnostic performance of various immunohistochemistry markers in malignant pleural mesothelioma diagnosis and its histological subtypes. Following the PRISMA guidelines, we systematically searched the literature for articles on using different immunohistochemical markers in MPM and its histological subtypes. EMBASE, LILACS, MEDLINE, and Virtual Health Library were searched for studies published up to August 2023. We used the QUADAS-2 (Quality Assessment of Diagnostic Accuracy Studies) criteria to assess the quality of the included articles. Meta-analyses were performed to determine prevalence using a random-effects model. RESULTS 103 studies met the inclusion criteria, comprising a diverse range of immunohistochemistry markers. EMA and desmin-loss exhibited high sensitivity (96% and 92%, respectively) in distinguishing malignant pleural mesothelioma from benign pleural pathologies. Specificity was notably high for both BAP1-loss and survivin expression at 100%. Subtype-specific analyses demonstrated that EMA and HEG1 were sensitive markers for epithelioid mesothelioma, while GLUT1 showed high sensitivity for sarcomatoid mesothelioma. In cases comparing epithelioid mesothelioma and lung adenocarcinoma, CAM5.2 and calretinin displayed high sensitivity, while WT1 and BAP1-loss demonstrated exceptional specificity for malignant epithelioid mesothelioma. In the case of sarcomatoid mesothelioma and sarcomatoid lung carcinoma, GATA3 exhibited the most heightened sensitivity, while GATA3 and D2-40 displayed the best specificity for sarcomatoid malignant mesothelioma diagnosis. CONCLUSION Immunohistochemistry markers are essential in accurately diagnosing malignant pleural mesothelioma and its histological subtypes. This systematic review and meta-analysis provide a comprehensive insight into the diagnostic performance of these markers, facilitating their potential clinical utility in the discrimination of malignant pleural mesothelioma from other pleural pathologies and the differentiation of malignant pleural mesothelioma subtypes.
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Affiliation(s)
- Rafael Parra-Medina
- Research Institute, Fundación Universitaria de Ciencias de la Salud (FUCS), Bogotá, Colombia; Department of Pathology, Fundación Universitaria de Ciencias de la Salud (FUCS), Bogotá, Colombia; Department of Pathology, Instituto Nacional de Cancerología, Bogotá.
| | - Juan Pablo Castañeda-González
- Research Institute, Fundación Universitaria de Ciencias de la Salud (FUCS), Bogotá, Colombia; Department of Pathology, Fundación Universitaria de Ciencias de la Salud (FUCS), Bogotá, Colombia.
| | - Viviana Chaves-Cabezas
- Department of Pathology, Fundación Universitaria de Ciencias de la Salud (FUCS), Bogotá, Colombia.
| | - Juan Pablo Alzate
- Research Institute, Fundación Universitaria de Ciencias de la Salud (FUCS), Bogotá, Colombia.
| | - Juan José Chaves
- Department of Medicine, Norwalk Hospital, Yale School of Medicine, Norwalk, CT, United States.
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Rossi G, Righi L, Barbisan F, Tiseo M, Spagnolo P, Grosso F, Pisapia P, Malapelle U, Sculco M, Dianzani I, Abate-Daga L, Davolio MC, Ceresoli GL, Galetta D, Pasello G, Novello S, Bironzo P. BAP1 Loss, Nuclear Grading, and Nonepithelioid Features in the Diagnosis of Mesothelioma in Italy: Nevermore without the Pathology Report. J Pers Med 2024; 14:394. [PMID: 38673021 PMCID: PMC11051266 DOI: 10.3390/jpm14040394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 04/02/2024] [Accepted: 04/06/2024] [Indexed: 04/28/2024] Open
Abstract
The pathologic diagnosis of pleural mesothelioma is generally based on international guidelines, but no compulsory points based on different drugs approvals in different European countries are required to be reported. According to the last (2021) edition of the World Health Organization classification of pleural tumors, the nuclear grade of epithelioid-type mesothelioma should be always inserted in the pathologic report, while the presence of BRCA-associated protein-1 (BAP1) (clone C4) loss and a statement on the presence of the sarcomatoid/nonepithelioid component are fundamental for both a screening of patients with suspected BAP1 tumor predisposition syndrome and the eligibility to perform first-line immunotherapy at least in some countries. Several Italian experts on pleural mesothelioma who are deeply involved in national scientific societies or dedicated working groups supported by patient associations agreed that the pathology report of mesothelioma of the pleura should always include the nuclear grade in the epithelioid histology, which is an overt statement on the presence of sarcomatoid components (at least 1%, in agreement with the last classification of pleural mesothelioma) and the presence of BAP1 loss (BAP1-deficient mesothelioma) or not (BAP1-retained mesothelioma) in order to screen patients possibly harboring BAP1 tumor predisposition syndrome. This review aims to summarize the most recent data on these three important elements to provide evidence regarding the possible precision needs for mesothelioma.
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Affiliation(s)
- Giulio Rossi
- Pathology Unit, Services Area, Fondazione Poliambulanza Hospital Institute, Via Bissolati 57, 25124 Brescia, Italy;
- Fondazione FONICAP, Via Locchi, 26, 37124 Verona, Italy
| | - Luisella Righi
- Department of Oncology, University of Turin, San Luigi Hospital, 10043 Orbassano, Italy; (L.R.); (S.N.); (P.B.)
| | - Francesca Barbisan
- Pathological Anatomy Institute, Polytechnic University of Marche Region, 60126 Ancona, Italy;
| | - Marcello Tiseo
- Department of Medicine and Surgery, University of Parma and Medical Oncology Unit, University Hospital of Parma, 43126 Parma, Italy;
| | - Paolo Spagnolo
- Respiratory Disease Unit, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padova, 35128 Padova, Italy;
| | - Federica Grosso
- Mesothelioma Unit, AO SS. Antonio e Biagio e Cesare Arrigo, 15121 Alessandria, Italy;
| | - Pasquale Pisapia
- Department of Public Health, Federico II University of Naples, Via Sergio Pansini 5, 80131 Naples, Italy;
| | - Umberto Malapelle
- Department of Public Health, Federico II University of Naples, Via Sergio Pansini 5, 80131 Naples, Italy;
| | - Marika Sculco
- Department of Health Sciences, Università del Piemonte Orientale, 28100 Novara, Italy; (M.S.); (I.D.)
| | - Irma Dianzani
- Department of Health Sciences, Università del Piemonte Orientale, 28100 Novara, Italy; (M.S.); (I.D.)
| | - Laura Abate-Daga
- TU.TO.R. Tumori Toracici Rari, Patient Advocacy, 20123 Milan, Italy;
| | - Maria Cristina Davolio
- Legal Medicine and Risk Management Department, Azienda Unità Sanitaria Locale di Modena, Strada Martiniana, 21, 41126 Modena, Italy;
| | | | - Domenico Galetta
- Medical Thoracic Oncology Unit, IRCCS Istituto Tumori “Giovanni Paolo II”, 70124 Bari, Italy;
| | - Giulia Pasello
- Medical Oncology 2, Veneto Institute of Oncology IOV-IRCCS, 35128 Padua, Italy;
- Department of Surgery, Oncology and Gastroenterology, University of Padua, 35128 Padua, Italy
| | - Silvia Novello
- Department of Oncology, University of Turin, San Luigi Hospital, 10043 Orbassano, Italy; (L.R.); (S.N.); (P.B.)
| | - Paolo Bironzo
- Department of Oncology, University of Turin, San Luigi Hospital, 10043 Orbassano, Italy; (L.R.); (S.N.); (P.B.)
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Miller LJ, Holmes IM, Lew M. An Updated Contextual Approach to Mesothelial Proliferations in Pleural Effusion Cytology Leveraging Morphology, Ancillary Studies, and Novel Biomarkers. Arch Pathol Lab Med 2024; 148:409-418. [PMID: 37622452 DOI: 10.5858/arpa.2023-0049-ra] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/01/2023] [Indexed: 08/26/2023]
Abstract
CONTEXT.— Pleural effusions are common cytologic specimens that can be leveraged to make diagnoses of malignancy that drive appropriate patient management. However, the overlap in morphologic features of reactive mesothelial proliferations, mesotheliomas, and adenocarcinomas can create diagnostic pitfalls in the cytologic evaluation of pleural fluids. OBJECTIVE.— To review the morphologic spectrum of benign and malignant mesothelial proliferations in pleural effusions, as well as relevant clinicoradiologic contexts and ancillary tests. DATA SOURCES.— Existing scientific and clinical literature as of January 2023. CONCLUSIONS.— We can leverage the knowledge of several overlapping morphologic features, clinicoradiologic scenarios, and immunohistochemical studies to enhance the diagnostic accuracy of pleural effusion cytology to appropriately delineate cases of adenocarcinoma, reactive mesothelial proliferation, and mesothelioma. Earlier diagnosis through cytology, particularly in cases of mesothelioma, may positively impact patient treatment options and prognosis.
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Affiliation(s)
- Lauren J Miller
- From the Department of Pathology, University of Michigan Hospital and Health System, Ann Arbor
| | - Isabella M Holmes
- From the Department of Pathology, University of Michigan Hospital and Health System, Ann Arbor
| | - Madelyn Lew
- From the Department of Pathology, University of Michigan Hospital and Health System, Ann Arbor
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4
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Congedo MT, West EC, Evangelista J, Mattingly AA, Calabrese G, Sassorossi C, Nocera A, Chiappetta M, Flamini S, Abenavoli L, Margaritora S, Boccuto L, Lococo F. The genetic susceptibility in the development of malignant pleural mesothelioma: somatic and germline variants, clinicopathological features and implication in practical medical/surgical care: a narrative review. J Thorac Dis 2024; 16:671-687. [PMID: 38410609 PMCID: PMC10894363 DOI: 10.21037/jtd-23-611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 08/18/2023] [Indexed: 02/28/2024]
Abstract
Background and Objective Malignant pleural mesothelioma (MPM) is a very aggressive primary tumor of the pleura whose main risk factor is exposure to asbestos. However, only a minority of exposed people develops MPM and the incidence of MPM cases without an apparent association with asbestos exposure has been increasing in recent years, suggesting that genetic predisposing factors may play a crucial role. In addition, several studies reported familial cases of MPM, suggesting that heredity may be an important and underestimated feature in MPM development. Several candidate genes have been associated with a predisposition to MPM and most of them play a role in DNA repair mechanisms: overall, approximately 20% of MPM cases may be related to genetic predisposition. A particular category of patients with high susceptibility to MPM is represented by carriers of pathogenic variants in the BAP1 gene. Germline variants in BAP1 predispose to the development of MPM following an autosomal dominant pattern of inheritance in the familial cases. MPMs in these patients are significantly less aggressive, and patients require a multidisciplinary approach that involves genetic counseling, medical genetics, pathology, surgical, medical, and radiation oncology expertise. In the present narrative review, we presented a comprehensive overview of genetic susceptibility in the development of MPM. Methods The narrative review is based on a selective literature carried out in PubMed in 2023. Inclusion criteria were original articles in English language, and clinical trials (randomized, prospective, or retrospective). Key Content and Findings We summarized the somatic and germline variants and the differences in terms of clinicopathological features and prognosis between gene-related MPM (GR-MPM) and asbestos-related MPM (AR-MPM). We also discussed the indications for screening, genetic testing, and surveillance of patients with BAP1 germline variants. Conclusions In this narrative review, we have emphasized that the BAP1 gene's harmful germline variations are inherited in an autosomal dominant manner in familial cases. MPMs in individuals with these variations are less severe, and their medical care necessitates a collaborative effort. Additionally, we have outlined the current therapeutic prospects for MPM, including the possibility of gene-specific therapy, which is currently promising but still requires clinical validation.
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Affiliation(s)
| | - Elizabeth Casey West
- Healthcare Genetics and Genomics, School of Nursing, Clemson University, Clemson, SC, USA
| | - Jessica Evangelista
- Thoracic Surgery, A. Gemelli University Hospital Foundation IRCCS, Rome, Italy
- Catholic University of Sacred Heart, Rome, Italy
| | - Aubrey Anne Mattingly
- Healthcare Genetics and Genomics, School of Nursing, Clemson University, Clemson, SC, USA
| | - Giuseppe Calabrese
- Thoracic Surgery, A. Gemelli University Hospital Foundation IRCCS, Rome, Italy
| | - Carolina Sassorossi
- Thoracic Surgery, A. Gemelli University Hospital Foundation IRCCS, Rome, Italy
| | - Adriana Nocera
- Thoracic Surgery, A. Gemelli University Hospital Foundation IRCCS, Rome, Italy
| | - Marco Chiappetta
- Thoracic Surgery, A. Gemelli University Hospital Foundation IRCCS, Rome, Italy
| | - Sara Flamini
- Thoracic Surgery, A. Gemelli University Hospital Foundation IRCCS, Rome, Italy
| | - Ludovico Abenavoli
- Department of Health Sciences, “Magna Græcia” University, Catanzaro, Italy
| | - Stefano Margaritora
- Thoracic Surgery, A. Gemelli University Hospital Foundation IRCCS, Rome, Italy
- Catholic University of Sacred Heart, Rome, Italy
| | - Luigi Boccuto
- Healthcare Genetics and Genomics, School of Nursing, Clemson University, Clemson, SC, USA
| | - Filippo Lococo
- Thoracic Surgery, A. Gemelli University Hospital Foundation IRCCS, Rome, Italy
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Wu M, Li Z, Cai J, Zhong X, Zheng W, Wu S, Lin M, Zhang Q. Co-existing pericardial and pleural malignant mesothelioma responding well to nedaplatin and pemetrexed: a case report. AME Case Rep 2023; 7:32. [PMID: 37942039 PMCID: PMC10628414 DOI: 10.21037/acr-22-102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Accepted: 07/05/2023] [Indexed: 11/10/2023]
Abstract
Background Malignant mesothelioma (MM) is a rare cancer with poor prognosis. It is less common that two serosal cavities are involved when the patient seeks medical attention firstly. The current first-line chemotherapy for advanced MM is a combination with cisplatin and pemetrexed. However, nedaplatin, a second-generation platinum-based antitumor agent, has the similar therapeutic effects as cisplatin but lower toxicity and higher water solubility. To our knowledge, this is the first case of co-existing pericardial and pleural MM treated with nedaplatin and pemetrexed and responding well. Case Description A 33-year-old woman, who had worked in a kiln for more than 10 years, suffered from dyspnea and chest tightness for 6 days. Chest computed tomography (CT) showed a massive pericardial effusion. She was diagnosed tuberculous pericarditis and received 6 months antituberculosis treatment (rifampicin, isoniazide, pyrazinamide, ethambutol). But it was ineffective and she was re hospitalized again due to massive pleural effusion and pericardial effusion. She was diagnosed with co-existing pericardial and pleural MM finally based on pleural biopsy and cytology of pericardial effusion. She was responding well excitedly to chemotherapy with nedaplatin and pemetrexed with high tolerance. Bone marrow toxicity or recurrent massive pericardial or pleural effusion were not observed during chemotherapy. However, she gave up chemotherapy and has survived for 22 months, from the onset symptoms. Conclusions In terms of clinical tolerance and less adverse reactions, we suggest that chemotherapy of nedaplatin with pemetrexed may be a more appropriate treatment in advanced MM. Further clinical trials are warrant.
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Affiliation(s)
- Mindan Wu
- Department of Pulmonary and Critical Care Medicine, Shantou Central Hospital, Shantou, China
| | - Zhixuan Li
- Department of Pulmonary and Critical Care Medicine, Shantou Central Hospital, Shantou, China
- Shantou University Medical College, Shantou, China
| | - Junfu Cai
- Department of Pulmonary and Critical Care Medicine, Shantou Central Hospital, Shantou, China
| | - Xianyang Zhong
- Department of Gastroenterology, Shantou Central Hospital, Shantou, China
| | - Wenchuan Zheng
- Department of Pulmonary and Critical Care Medicine, Shantou Central Hospital, Shantou, China
| | - Shuhan Wu
- Department of Pulmonary and Critical Care Medicine, Shantou Central Hospital, Shantou, China
| | - Maohuang Lin
- Department of Pulmonary and Critical Care Medicine, Shantou Central Hospital, Shantou, China
| | - Qichuan Zhang
- Department of Pulmonary and Critical Care Medicine, Shantou Central Hospital, Shantou, China
- Shantou University Medical College, Shantou, China
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6
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Sejben A, Pancsa T, Tiszlavicz L, Furák J, Paróczai D, Zombori T. Highlighting the immunohistochemical differences of malignant mesothelioma subtypes via case presentations. Thorac Cancer 2023; 14:857-863. [PMID: 36808895 PMCID: PMC10067356 DOI: 10.1111/1759-7714.14827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 02/07/2023] [Accepted: 02/08/2023] [Indexed: 02/22/2023] Open
Abstract
Malignant mesothelioma (MM) is a rare tumor of mesothelial cells, with an increasing incidence both in developed and developing countries. MM has three major histological subtypes, in order of frequency, according to the World Health Organization (WHO) Classification of 2021: epithelioid, biphasic, and sarcomatoid MM. Distinction may be a challenging task for the pathologist, due to the unspecific morphology. Here, we present two cases of diffuse MM subtypes to emphasize the immunohistochemical (IHC) differences, and to facilitate diagnostic difficulties. In our first case of epithelioid mesothelioma, the neoplastic cells showed cytokeratin 5/6 (CK5/6), calretinin, and Wilms-tumor-1 (WT1) expression, while remaining negative with thyroid transcription factor-1 (TTF-1). BRCA1 associated protein-1 (BAP1) negativity was seen in the neoplastic cells' nucleus, reflecting loss of the tumor suppressor gene. In the second case of biphasic mesothelioma, expression of epithelial membrane antigen (EMA), CKAE1/AE3, and mesothelin was observed, while WT1, BerEP4, CD141, TTF1, p63, CD31, calretinin, and BAP1 expressions were not detected. Due to the absence of specific histological features, the differentiation between MM subtypes could be a challenging task. In routine diagnostic work, IHC may be the proper method in distinction. According to our results and literature data, CK5/6, mesothelin, calretinin, and Ki-67 should be applied in subclassification.
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Affiliation(s)
- Anita Sejben
- Department of Pathology, University of Szeged, Szeged, Hungary
| | - Tamás Pancsa
- Department of Pathology, University of Szeged, Szeged, Hungary
| | | | - József Furák
- Department of Surgery, University of Szeged, Szeged, Hungary
| | - Dóra Paróczai
- Department of Pulmonology, University of Szeged, Deszk, Hungary
| | - Tamás Zombori
- Department of Pathology, University of Szeged, Szeged, Hungary
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Zuccatosta L, Bizzarro T, Rossi G, Gallo G, Gasparini S, Ambrosini-Spaltro A. Immunohistochemistry for Claudin-4 and BAP1 in the Differential Diagnosis between Sarcomatoid Carcinoma and Sarcomatoid Mesothelioma. Diagnostics (Basel) 2023; 13:diagnostics13020249. [PMID: 36673059 PMCID: PMC9858564 DOI: 10.3390/diagnostics13020249] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/01/2023] [Accepted: 01/07/2023] [Indexed: 01/11/2023] Open
Abstract
(1) Background. In the differential diagnosis between sarcomatoid carcinoma (SC) and sarcomatoid mesothelioma (SM), we aimed to investigate the role of Claudin-4 and BAP1, a panel recently used to distinguish conventional carcinoma from epithelioid mesothelioma. (2) Methods. We collected 41 surgical pleural biopsies of SM, 46 surgical resections of SC from different sites and 49 pleural biopsies of normal/hyperplastic mesothelium. All the cases were tested for Claudin-4 and BAP1 using immunohistochemistry. The statistical calculations of the sensitivity, specificity and positive and negative predictive values were performed. (3) Results: Claudin-4 was negative in 41/41 SMs, while it was positive in 18/36 (50.1%) SCs (eight diffusely, 10 focally) within their sarcomatous component. BAP1 was lost in 23/41 SMs, while it was regularly expressed in 46/46 SCs. All the cases of the normal/hyperplastic mesothelium were negative for Claudin-4 and retained the regular expression of BAP1. The Claudin-4 expression was useful for detecting SC (sensitivity, 39.1%; specificity, 100%) and the BAP1 loss was useful for diagnosing SM (sensitivity, 56.1%; specificity, 100%). (4) Conclusions. The staining for Claudin-4 and BAP1 exhibited a low/moderate sensitivity in diagnosing SC and SM (39.1% and 56.1%, respectively), but a very high specificity (100%). Claudin-4 was expressed only in SC and BAP1 loss was noted only in SM.
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Affiliation(s)
- Lina Zuccatosta
- Pulmonary Diseases Unit, Azienda “Ospedali Riuniti”, 60126 Ancona, Italy
- Correspondence: ; Tel.: +39-071-5965851
| | - Tommaso Bizzarro
- Operative Unit of Pathologic Anatomy, Azienda USL Della Romagna, Infermi Hospital, 47900 Rimini, Italy
| | - Giulio Rossi
- Pathologic Anatomy Unit, Fondazione Poliambulanza, 25124 Brescia, Italy
| | - Graziana Gallo
- Operative Unit of Pathologic Anatomy, Azienda USL della Romagna, “Bufalini” Hospital, 47521 Cesena, Italy
| | - Stefano Gasparini
- Pulmonary Diseases Unit, Azienda “Ospedali Riuniti”, 60126 Ancona, Italy
- Department of Biomedical Sciences and Public Health, Polytechnic University of Marche Region, 60126 Ancona, Italy
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8
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Malignant Sarcomatoid Pleural Mesothelioma Presenting as a Chest Wall Tumor. Indian J Surg 2022. [DOI: 10.1007/s12262-022-03555-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
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9
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Sneaky Diagnosis of Pleural Malignant Mesothelioma in Thoracic Surgery: All That Glitters Is Not Gold. J Clin Med 2022; 11:jcm11113225. [PMID: 35683612 PMCID: PMC9181256 DOI: 10.3390/jcm11113225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 06/01/2022] [Accepted: 06/02/2022] [Indexed: 11/17/2022] Open
Abstract
Malignant Pleural Mesothelioma (MPM) is a highly aggressive disease whose diagnosis could be challenging and confusing. It could occur with atypical presentations on every examined level. Here, we present three unconventional cases of the complex diagnostic process of MPM that we have experienced during routine practice: a patient with reactive mesothelial hyperplasia mimicking MPM, an unexpected presentation of MPM with persistent unilateral hydropneumothorax, a rare case of MPM in situ. Then, we review the relevant literature on each of these topics. Definitive biomarkers to confidently distinguish MPM from other pleural affections are still demanded. Patients presenting with persistent hydropneumothorax must always be investigated for MPM. MPM in situ is now a reality, and this raises questions about its management.
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10
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Janssens E, Mol Z, Vandermeersch L, Lagniau S, Vermaelen KY, van Meerbeeck JP, Walgraeve C, Marcq E, Lamote K. Headspace Volatile Organic Compound Profiling of Pleural Mesothelioma and Lung Cancer Cell Lines as Translational Bridge for Breath Research. Front Oncol 2022; 12:851785. [PMID: 35600344 PMCID: PMC9120820 DOI: 10.3389/fonc.2022.851785] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 03/29/2022] [Indexed: 01/05/2023] Open
Abstract
IntroductionMalignant pleural mesothelioma (MPM) is a lethal cancer for which early-stage diagnosis remains a major challenge. Volatile organic compounds (VOCs) in breath proved to be potential biomarkers for MPM diagnosis, but translational studies are needed to elucidate which VOCs originate from the tumor itself and thus are specifically related to MPM cell metabolism.MethodsAn in vitro model was set-up to characterize the headspace VOC profiles of six MPM and two lung cancer cell lines using thermal desorption-gas chromatography-mass spectrometry. A comparative analysis was carried out to identify VOCs that could discriminate between MPM and lung cancer, as well as between the histological subtypes within MPM (epithelioid, sarcomatoid and biphasic).ResultsVOC profiles were identified capable of distinguishing MPM (subtypes) and lung cancer cells with high accuracy. Alkanes, aldehydes, ketones and alcohols represented many of the discriminating VOCs. Discrepancies with clinical findings were observed, supporting the need for studies examining breath and tumor cells of the same patients and studying metabolization and kinetics of in vitro discovered VOCs in a clinical setting.ConclusionWhile the relationship between in vitro and in vivo VOCs is yet to be established, both could complement each other in generating a clinically useful breath model for MPM.
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Affiliation(s)
- Eline Janssens
- Laboratory of Experimental Medicine and Pediatrics, University of Antwerp, Antwerp, Belgium
- Infla-Med Center of Excellence, University of Antwerp, Antwerp, Belgium
| | - Zoë Mol
- Department of Green Chemistry and Technology, Environmental Organic Chemistry and Technology (EnVOC) Research Group, Ghent University, Ghent, Belgium
| | - Lore Vandermeersch
- Department of Green Chemistry and Technology, Environmental Organic Chemistry and Technology (EnVOC) Research Group, Ghent University, Ghent, Belgium
| | - Sabrina Lagniau
- Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium
- Department of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium
- Tumor Immunology Lab, Ghent University, Ghent, Belgium
| | - Karim Y. Vermaelen
- Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium
- Department of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium
- Tumor Immunology Lab, Ghent University, Ghent, Belgium
| | - Jan P. van Meerbeeck
- Laboratory of Experimental Medicine and Pediatrics, University of Antwerp, Antwerp, Belgium
- Infla-Med Center of Excellence, University of Antwerp, Antwerp, Belgium
- Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium
- Department of Pulmonology and Thoracic Oncology, Antwerp University Hospital, Edegem, Belgium
| | - Christophe Walgraeve
- Department of Green Chemistry and Technology, Environmental Organic Chemistry and Technology (EnVOC) Research Group, Ghent University, Ghent, Belgium
| | - Elly Marcq
- Center for Oncological Research (CORE), Integrated Personalized and Precision Oncology Network (IPPON), University of Antwerp, Antwerp, Belgium
| | - Kevin Lamote
- Laboratory of Experimental Medicine and Pediatrics, University of Antwerp, Antwerp, Belgium
- Infla-Med Center of Excellence, University of Antwerp, Antwerp, Belgium
- Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium
- *Correspondence: Kevin Lamote,
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Burke AP, Hardy N, Fanaroff R, Legesse T. Sarcomatoid Mesothelioma with Bland Histologic Features: A Potential Pitfall in Diagnosis. AJSP: REVIEWS & REPORTS 2022; 27:87-93. [PMID: 37538296 PMCID: PMC10398945 DOI: 10.1097/pcr.0000000000000506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/05/2023]
Abstract
Sarcomatoid mesotheliomas can be challenging to diagnose on small biopsy specimens, where limited material may preclude definitive assessment of invasion and lesional cells can have relatively bland cytology with no mesothelial marker expression. We report a case of a patient who presented with a pleural effusion and had subsequent pleural biopsy that showed a bland, uniform spindle cell proliferation in a mildly myxoid background. There was little if any collagen; no chest wall, soft tissue, or fat; and mesothelial markers were negative. The cells were positive for pancytokeratin and GATA3 by immunohistochemistry, and in situ hybridization showed a "negative" result for homozygous loss of CDKN2A; however, there was partial (heterozygous) loss of one allele. A diagnosis of atypical spindle cell proliferation was made based on these findings. Several months later, the patient had a repeat pleural biopsy that showed spindled cells with more pleomorphism, areas of invasion into the chest wall, and the same partial loss of CDKN2A, consistent with a sarcomatoid mesothelioma. This case underscores the challenges present on small biopsy specimens, the fact that sarcomatoid mesotheliomas can be relatively bland appearing with focal pleomorphism, and that heterozygous loss of CDKN2A should be considered a positive result indicative of a neoplastic process.
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Affiliation(s)
| | - Naomi Hardy
- University of Maryland Medical Center. 22 S. Greene St., Baltimore, MD 21201
| | - Rachel Fanaroff
- University of Maryland Medical Center, 22 S. Greene St., Baltimore MD 21201
| | - Teklu Legesse
- University of Maryland School of Medicine, 22 S. Greene St., Baltimore, MD 21201
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Porcel JM. Mesotelioma pleural. Med Clin (Barc) 2022; 159:240-247. [DOI: 10.1016/j.medcli.2022.03.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Revised: 03/28/2022] [Accepted: 03/29/2022] [Indexed: 10/18/2022]
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Elmas H, Biancosino C, Önal B, Schmitt F, Buyucek S, Nordholt G, Sauter G, Welker L. Combination of Biochemical and Cytological Findings for Better Diagnosis in Pleural Effusions. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1374:51-62. [DOI: 10.1007/5584_2021_703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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