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The Lancet. Respiratory Medicine Mar 2023Transbronchial mediastinal cryobiopsy is a novel sampling technique for mediastinal disease. Despite the possibility of lung cancer misdiagnosis, the improved diagnostic... (Randomized Controlled Trial)
Randomized Controlled Trial
BACKGROUND
Transbronchial mediastinal cryobiopsy is a novel sampling technique for mediastinal disease. Despite the possibility of lung cancer misdiagnosis, the improved diagnostic yield of this approach for non-lung-cancer lesions compared with standard endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) highlights its diagnostic potential as a complementary technique to conventional biopsy. We aimed to evaluate the safety profile and added value of the combined use of transbronchial mediastinal cryobiopsy and standard EBUS-TBNA for the diagnosis of mediastinal diseases.
METHODS
We conducted an open-label, randomised trial at three hospital sites in Europe and Asia. Eligible patients were aged 15 years or older, with at least one mediastinal lesion of 1 cm or longer in the short axis that required diagnostic bronchoscopy. Participants were randomly assigned (1:1) using a block randomisation scheme generated by a computer (block size of four participants based on a random table from an independent statistician) to the combined use of EBUS-TBNA and transbronchial mediastinal cryobiopsy (combined group) or EBUS-TBNA alone (control group). Because of the nature of the intervention, neither participants nor investigators were masked to group assignment. The coprimary outcomes were differences in procedure-related complications and diagnostic yield (defined as the proportion of participants for whom mediastinal biopsy led to a definitive diagnosis), assessed in the full analysis set, including all the patients who met the eligibility criteria and had a biopsy. A fully paired, intraindividual diagnostic analysis in participants who had both needle aspiration and mediastinal cryobiopsy was conducted, in addition to interindividual comparisons. This trial is now complete and is registered with ClinicalTrials.gov, NCT04572984.
FINDINGS
Between Oct 12, 2020, and Sept 9, 2021, 297 consecutive patients were assessed for eligibility and 271 were enrolled and randomly assigned to the combined group (n=136) or the control group (n=135). The addition of cryobiopsy to standard sampling significantly increased the overall diagnostic yield for mediastinal lesions, as shown by both interindividual (126 [93%] of 136 participants in the combined group vs 109 [81%] of 135 in the control group; risk ratio [RR] 1·15 [95% CI 1·04-1·26]; p=0·0039) and intraindividual (126 [94%] of 134 vs 110 [82%] of 134; RR 1·15 [95% CI 1·05-1·25]; p=0·0026) analyses. In subgroup analyses in the intraindividual population, diagnostic yields were similar for mediastinal metastasis (68 [99%] of 69 participants in the combined group vs 68 [99%] of 69 in the control group; RR 1·00 [95% CI 0·96-1·04]; p=1·00), whereas the combined approach was more sensitive than standard needle aspiration in benign disorders (45 [94%] of 48 vs 32 [67%] of 48; RR 1·41 [95% CI 1·14-1·74]; p=0·0009). The combined approach also resulted in an improved suitability of tissue samples for molecular and immunological analyses of non-small-cell lung cancer. The incidence of adverse events related to the biopsy procedure did not differ between trial groups, as grade 3-4 airway bleeding occurred in three (2%) patients in the combined group and two (1%) in the control group (RR 0·67 [95% CI 0·11-3·96]; p=1·00). There were no severe complications causing death or disability.
INTERPRETATION
The addition of mediastinal cryobiopsy to standard EBUS-TBNA resulted in a significant improvement in diagnostic yield for mediastinal lesions, with a good safety profile. These data suggest that this combined approach is a valid first-line diagnostic tool for mediastinal diseases.
FUNDING
National Natural Science Foundation of China.
Topics: Humans; Carcinoma, Non-Small-Cell Lung; Lung Neoplasms; Sensitivity and Specificity; Mediastinum; Endoscopic Ultrasound-Guided Fine Needle Aspiration; Mediastinal Diseases; Bronchoscopy; Lymph Nodes
PubMed: 36279880
DOI: 10.1016/S2213-2600(22)00392-7 -
Revue de Pneumologie Clinique Dec 2013Castleman disease is a rare lymph nodes disease whose name covers different clinical presentations. The most frequent histology is the hyaline vascular localized form.... (Review)
Review
Castleman disease is a rare lymph nodes disease whose name covers different clinical presentations. The most frequent histology is the hyaline vascular localized form. In this case, Castleman disease occurs in young adults, and is localized to the mediastinum in one third of the cases. The disease is often asymptomatic, but paraneoplasic pemphigus has been described. The management of this form of Castleman disease is based on complete surgical resection. Perioperative immunomodulating treatments may be discussed in case of paraneoplasic pemphigus, mostly when affecting the bronchial tree.
Topics: Adult; Castleman Disease; Diagnosis, Differential; Disease Progression; Humans; Mediastinal Diseases
PubMed: 24210150
DOI: 10.1016/j.pneumo.2013.09.001 -
The Annals of Thoracic Surgery Jan 2020Rosai-Dorfman disease (RDD) is a rare benign disorder of the histiocytes, affecting lymph nodes in its classic form. Extranodal RDD is considered the uncommon subtype...
Rosai-Dorfman disease (RDD) is a rare benign disorder of the histiocytes, affecting lymph nodes in its classic form. Extranodal RDD is considered the uncommon subtype and potentially impairs all tissues and intrathoracic organs. In our report, a F-fluorodeoxyglucose positron emission tomography scan of a mediastinal mass infiltrating the lungs and of widespread lesions suggested the presence of a metastatic disease. Open thoracic biopsy was required for immunochemistry and histopathology. Mediastinal mass with lesions disseminated throughout the body is an unusual presentation of extranodal RDD that calls for a challenging differential diagnosis to rule out the suspicion of metastatic malignancy.
Topics: Aged; Biopsy; Histiocytosis, Sinus; Humans; Male; Mediastinal Diseases
PubMed: 31207246
DOI: 10.1016/j.athoracsur.2019.04.089 -
The British Journal of Radiology Dec 2019Erdheim-Chester disease (ECD) is a rare non-Langerhans cell histiocytosis which can have a broad range of clinical and radiological presentations. Typically, ECD affects... (Review)
Review
Erdheim-Chester disease (ECD) is a rare non-Langerhans cell histiocytosis which can have a broad range of clinical and radiological presentations. Typically, ECD affects multiple organ systems, with skeletal involvement present in almost all ECD patients and cardiothoracic manifestations in more than half. Cardiac and thoracic involvement contributes significantly to morbidity and mortality in affected patients and may have prognostic implications. The diagnosis of ECD can be challenging due to its rarity and similarity to other systemic disease processes. Although the diagnosis can be suggested on imaging, histopathology and immunohistochemistry are required for confirmation. We describe the multimodal imaging features of mediastinal, cardiac, pleural and lung parenchymal ECD. This review identifies the most common radiological manifestations of cardiac and thoracic ECD on contrast-enhanced CT, fluorine-fludeoxyglucose positron emission tomography/CT and cardiac MRI, and highlights the role of these cross-sectional techniques in disease diagnosis.
Topics: Contrast Media; Erdheim-Chester Disease; Fluorodeoxyglucose F18; Heart Diseases; Humans; Lung Diseases; Magnetic Resonance Imaging; Mediastinal Diseases; Multimodal Imaging; Pleural Diseases; Positron Emission Tomography Computed Tomography; Radiopharmaceuticals; Tomography, X-Ray Computed
PubMed: 31386554
DOI: 10.1259/bjr.20190473 -
Rheumatology (Oxford, England) Mar 2022
Topics: Adult; Female; Humans; Kimura Disease; Mediastinal Diseases; Polychondritis, Relapsing
PubMed: 34664627
DOI: 10.1093/rheumatology/keab779 -
International Heart Journal Sep 2018Hemoptysis is a rare complication of acute aortic dissection. A 77-year-old woman was admitted to our department with epigastralgia and hemoptysis. Computed tomography...
Hemoptysis is a rare complication of acute aortic dissection. A 77-year-old woman was admitted to our department with epigastralgia and hemoptysis. Computed tomography showed Stanford A acute aortic dissection and massive posterior mediastinal hematoma which extended along the right pulmonary artery. Hemoptysis is a lethal sign of aortic dissection, therefore, emergency ascending aortic replacement was performed with a good clinical outcome.
Topics: Acute Disease; Aged; Aortic Dissection; Aorta; Female; Hematoma; Hemoptysis; Humans; Mediastinal Diseases; Pulmonary Artery; Tomography, X-Ray Computed; Treatment Outcome
PubMed: 30158389
DOI: 10.1536/ihj.18-263 -
European Respiratory Review : An... Dec 2021The diagnosis of a mediastinal mass may be challenging for clinicians, since lesions arising within the mediastinum include a variety of disease entities, frequently... (Review)
Review
The diagnosis of a mediastinal mass may be challenging for clinicians, since lesions arising within the mediastinum include a variety of disease entities, frequently requiring a multidisciplinary approach. Age and sex represent important information, which need to be integrated with imaging and laboratory findings. In addition, the location of the mediastinal lesion is fundamental; indeed, we propose to illustrate mediastinal diseases based on the compartment of origin. We consider that this structured approach may serve as hint to the diagnostic modalities and management of mediastinal diseases. In this review, we present primary mediastinal tumours in the evolving context of new diagnostic and therapeutic tools, with recently described entities, based on our own experience with >900 cases encountered in the past 10 years.
Topics: Diagnostic Imaging; Humans; Mediastinal Neoplasms; Mediastinum
PubMed: 34615701
DOI: 10.1183/16000617.0309-2020 -
Gastrointestinal Endoscopy Feb 2009
Topics: Endosonography; Humans; Mediastinal Diseases
PubMed: 19179182
DOI: 10.1016/j.gie.2008.12.008 -
Journal of Cardiac Surgery Feb 2019
Topics: Adult; Biopsy; Castleman Disease; Diagnosis, Differential; Echocardiography; Humans; Magnetic Resonance Imaging, Cine; Male; Mediastinal Diseases; Pericardial Effusion; Recurrence; Tomography, X-Ray Computed
PubMed: 30637803
DOI: 10.1111/jocs.13979 -
Medicine Sep 1988Mediastinal fibrosis, the most serious late complication of remote infection by Histoplasma capsulatum, is a thick, dense fibrotic capsule which surrounds a small... (Review)
Review
Mediastinal fibrosis, the most serious late complication of remote infection by Histoplasma capsulatum, is a thick, dense fibrotic capsule which surrounds a small mediastinal focus of old caseous adenitis. The fibrotic process may accrue over prolonged periods and extend within the lumina of critical mediastinal structures to produce complete occlusion. We summarized clinical and radiographic data for 71 patients with mediastinal fibrosis; the criteria for inclusion were the clinical demonstration of occlusion of major central airways (trachea or mainstem bronchus) or major vessels (pulmonary arteries or veins) and the absence of other disease processes which might cause such obstruction. We selected 65 patients who met these criteria from the medical literature of the last 40 years and report 6 new cases from our experience. The majority of patients were diagnosed between ages 20 and 40. The most common symptoms included hemoptysis, dyspnea, and cough. An accentuated pulmonic component of the second heart sound, wheezing, and localized murmur were among the physical findings reported. Radiographic abnormalities consisted of mass lesions and atelectasis or infiltrates, but were often nonspecific. Chest radiography was deceptively normal in some patients, even in the presence of major central airway or vascular occlusion, especially when the focus was subcarinal. Computed tomography has particular promise to depict the mediastinal abnormalities in this process. Surgery had minimal therapeutic benefit. Because of incomplete followup, the mortality of 30% in this series surely does not represent the true overall mortality of mediastinal fibrosis.
Topics: Adolescent; Adult; Child; Female; Fibrosis; Granuloma; Histoplasmosis; Humans; Lung Diseases, Fungal; Male; Mediastinal Diseases; Mediastinum; Middle Aged; Radiography
PubMed: 3045478
DOI: 10.1097/00005792-198809000-00002