Bilothorax: A Rare Complication of Gallstone Disease / Biliotórax: Una complicación rara de los cálculos biliares

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Yellow Nail Syndrome: A Rare Cause of Pleural Effusion / Síndrome de las uñas amarillas: una causa rara de derrame pleural

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Non-tuberculous mycobacterial pulmonary disease: an Italian National survey.

The incidence of non-tuberculous mycobacteria (NTM) infection is increasing in Europe. However, a picture of Italian epidemiology and clinical practice is missing. We performed a national Italian survey involving 42 respiratory medicine departments. The NTM species more frequently isolated were Mycobacterium avium complex, followed by M. xenopi and M. kansasii. Patients with NTM were more frequently female (57%), and over 60 years of age, with bronchiectasis and COPD as main comorbidities. Bronchoscopic samples were widely used in the diagnostic phase. Of all patients with NTM, 73% met the criteria for NTM pulmonary disease. Despite strong adherence to the guidelines, physicians found significant difficulties related to pharmacological adverse events, patients' compliance and poor outcomes. (Sarcoidosis Vasc Diffuse Lung Dis 2018; 35: 21-25).

Utility of precipitating antibody testing in the diagnostic evaluation of chronic hypersensitivity pneumonia.

Background: Chronic hypersensitivity pneumonitis (HP), in its progressive fibrotic form, is difficult to distinguish from other fibrosing interstitial lung diseases (ILD), particularly idiopathic pulmonary fibrosis (IPF) and non-specific interstitial pneumonia (NSIP). The role of serum precipitating antibodies in the diagnosis of fibrosing ILD has not been discussed in recent clinical practice guidelines. Objectives: The aim of this study is to assess the role of precipitins in the diagnosis of non pre-selected cases of fibrosing ILD. Methods: Clinical records of 108 consecutive patients referred for presumptive fibrosing ILD to our institution were retrospectively assessed for exposure history, serum precipitins, other diagnostic examinations, and multidisciplinary diagnosis (MDD). Their high resolution computed tomography (HRCT) images were blindly and prospectively re-assessed. We estimated sensitivity and specificity of precipitins against MDD and, to account for incorporation bias, we used two composite reference standards (CRSs), having exposure history and HRCT as component tests. Results: Definitive diagnosis achieved through MDD were chronic HP (17% of cases), NSIP (42%), IPF (18%) and others (23%). For serum precipitins, we estimated a sensitivity of 72% and a specificity of 68% using MDD as the reference standard. Sensitivity against the AND-CRS was 55%, while specificity against the OR-CRS was 61%. On the basis of this results, we can expect true sensitivity of precipitins lying between 55 and 72% and specificity between 61 and 68%. Conclusions:Serum precipitating antibodies did not result as having a relevant role in the diagnostic approach to chronic HP (Sarcoidosis Vasc Diffuse Lung Dis 2017; 34: 149-155).