New opportunities of computer tomography in diagnostics of pleural lesion in sarcoidosis

Since the beginning of the 50s of the last century, numerous classifications of sarcoidosis have been proposed, which to one degree or another satisfied specialists at certain stages of the development of medical technologies. Currently, sarcoidosis of the respiratory system is divided into five stages (from 0 to IV) based on the results of chest Xray examination. Active introduction into clinical practice of computed tomography and its more advanced version – lowdose multislice computed tomography (MSCT) – allows to carry out an effective diagnosis of sarcoidosis, including in outpatient practice, as well as when performing active screening and dynamic monitoring of the course of the disease. On the basis of the studies which were carried out, the dissonance between the progress in technology (from X-ray pattern to MSCT) and the stagnation of the conceptual issues of the classification of sarcoidosis is discussed, which urgently requires its reforming. Firstly, the category of patients with concomitant lesions of the intrathoracic lymph nodes (ITLN) and parenchyma (stage II) has sharply increased, which reflects the increased technological level of radiological diagnostics. As a result, the percentage of stages with isolated lymph node involvement (stage I) and isolated dissemination of the parenchyma (stage III) decreased. The classification based on MSCT data allows to more accurately determine the severity of the disease. This is of therapeutic and prognostic importance, since most patients of stage I generally do not need treatment, while symptomatic stage II requires hormone therapy. One should also take into account the possibility of spontaneous remission, which is observed more often in stage I. The main conclusion is that at present day the principle of staging in the classification of sarcoidosis can no longer satisfy the realities of modern clinics. It is more correct to single out the clinical and radiological forms of sarcoidosis: sarcoidosis of the ITLN, sarcoidosis of the ITLN and lungs, sarcoidosis of the lungs, as well as sarcoidosis of the respiratory system, combined with a single lesion of other organs.

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To the question of reforming the classification of thoracic sarcoidosis

Леншин

Игнатьева

Il'in

et al. 2021

Bûlletenʹ fiziologii i patologii dyhaniâ

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Resources of modern radiation diagnostics of sarcoidosis (review)

Игнатьева

2021

Bûlletenʹ fiziologii i patologii dyhaniâ

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Introduction. Sarcoidosis is a significant social and medical problem. Diagnosis is based on consistency of the clinical picture, histological evidence of granulomatous inflammation, exclusion of alternative diseases, and evidence of systemic involvement. There is no “gold” diagnostic standard for sarcoidosis. Aim. Review of the latest world literature data on the possibilities of modern radiation diagnosis of sarcoidosis. Materials and methods. The review summarizes data from literature published mainly over the past five years in PubMed and eLibrary. Earlier publications were also included as necessary. Results. In the literature review, modern medical imaging methods used to diagnose sarcoidosis, which in some cases can avoid biopsy, are considered. First of all, these are X-ray methods. Today, high-resolution multispiral computed tomography with three-dimensional imaging, as the method with the highest sensitivity, plays a decisive role in the diagnosis and monitoring of sarcoidosis. The use of magnetic resonance imaging and low-dose computed tomography is not well understood in patients with sarcoidosis. Quantitative computed tomography and radiomics techniques have only been partially tested in sarcoidosis. Conclusion. The imaging of sarcoidosis is the subject of a large number of publications that provide detailed descriptions of X-ray and computed tomography techniques. Nevertheless, despite the introduction of new computerized tools for the analysis of chest imaging, traditional X-ray techniques still remain an important role in both the diagnostic and prognostic assessment of changes characteristic of sarcoidosis

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New opportunities of computer tomography in diagnostics of pleural lesion in sarcoidosis

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To the question of reforming the classification of thoracic sarcoidosis

To the question of reforming the classification of thoracic sarcoidosis

Resources of modern radiation diagnostics of sarcoidosis (review)

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