Tuberculosis is a bacterial infection that primarily affects the lungs but can also affect other parts of the body. It is caused by the bacterium Mycobacterium tuberculosis.

Infectious Disease

Updated on September 18, 2024

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Different forms of tuberculosis have different clinical symptoms. Tuberculosis can be cured if it is identified early and treated promptly and properly with anti-tuberculosis therapy, allowing many to recover completely.

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Written by Li Hu Chen

Imaging Center

1min 2sec

Tuberculosis X-ray Chest Radiograph Manifestations

If it is tuberculosis, it is generally visible on an X-ray chest film. Of course, some especially early-stage or tiny lesions might not be detected except by CT. However, typical cases of tuberculosis can be diagnosed with a chest X-ray. Often, on the chest X-ray, the apices of both lungs—the uppermost parts—might show cloud-like, vague shadowy areas that are slightly brighter than the normal lung tissue but with unclear edges. Additionally, there are some cases of secondary tuberculosis, which are more severe, featuring tuberculomas which are more evenly dense and have smoother edges. These can be seen in the lungs. However, such typical severe tuberculomas are becoming less common clinically because medications are used more promptly now, and people seek treatment in a timely manner. Cases like chronic fibrocavitary tuberculosis are becoming increasingly rare, mostly seen in older patients who have been on medication for many years.

Written by Xiong Hong Hai

Infectious Disease

39sec

Tuberculosis is a bacterial infection that primarily affects the lungs but can also affect other parts of the body. It is caused by the bacterium Mycobacterium tuberculosis.

Tuberculosis is mainly due to the infection of the human body by tuberculosis bacteria, which proliferate massively within the body, destroying the tissues and organs, and producing some blood syndromes related to combined toxins. Symptoms such as low-grade fever, night sweats, blood-stained sputum, and afternoon feverishness are common, and weight loss is also a common occurrence. Different forms of tuberculosis have different clinical symptoms. Tuberculosis can be cured if it is identified early and treated promptly and properly with anti-tuberculosis therapy, allowing many to recover completely.

Written by Xiong Hong Hai

Infectious Disease

46sec

What should be noted in the diagnosis of tuberculosis combined with AIDS?

The diagnosis of tuberculosis in individuals infected with AIDS generally involves examining certain clinical symptoms such as coughing, expectoration, low-grade fever, night sweats, and blood in sputum. Additionally, it requires analysis of specific characteristics in chest imaging, such as tuberculosis lesions identified in chest CT scans that are relatively specific. Microbial tests on sputum, such as sputum culture and acid-fast bacillus smear, are also essential. When necessary, tests for tuberculosis-infected T-cells can be conducted to provide a comprehensive diagnosis. After diagnosing concurrent pulmonary tuberculosis, anti-tuberculosis treatment is required.

Written by Wang Chun Mei

Pulmonology

47sec

Is a shadow on the lung definitely tuberculosis?

Shadows in the lungs are primarily revealed through imaging studies, a characteristic feature found in radiology. Clinically, lung shadows can be caused by tuberculosis, various lung tumors, or inflammatory lesions, which are also detected via imaging studies. Hence, the causes of lung shadows are numerous and complex in clinical settings. Discovering a shadow on the lungs through X-ray does not necessarily indicate tuberculosis. A definitive diagnosis should be based on a detailed patient history, other relevant clinical manifestations, and additional diagnostic tests. While tuberculosis might be a likely cause of lung shadows, it is not the cause in every case.

Written by An Yong Peng

Pulmonology

57sec

Does tuberculous pleuritis belong to pulmonary tuberculosis?

Tuberculous pleurisy is not classified as pulmonary tuberculosis. Tuberculous pleurisy is a common manifestation of extrapulmonary tuberculosis, often referred to as tuberculosis of the pleura, typically presenting with pleural effusion. Symptoms can sometimes include low-grade fevers in the afternoon and night sweats, which are typical of tuberculosis intoxication. However, the clinical presentation of tuberculous pleurisy can sometimes be atypical, with some patients experiencing high fevers, and there are cases of tuberculous pleurisy without any fever. Additionally, tuberculous pleurisy often coexists with pulmonary tuberculosis. Sometimes, patients with tuberculous pleurisy who undergo a chest CT scan may find lesions in the lungs, but there are also cases where tuberculous pleurisy may exist independently, without the presence of pulmonary tuberculosis.

Tuberculosis is a bacterial infection that primarily affects the lungs but can also affect other parts of the body. It is caused by the bacterium Mycobacterium tuberculosis.

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Other Voices

Tuberculosis X-ray Chest Radiograph Manifestations

Tuberculosis is a bacterial infection that primarily affects the lungs but can also affect other parts of the body. It is caused by the bacterium Mycobacterium tuberculosis.

What should be noted in the diagnosis of tuberculosis combined with AIDS?

Is a shadow on the lung definitely tuberculosis?

Does tuberculous pleuritis belong to pulmonary tuberculosis?