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Related Concept Videos

Chronic Obstructive Pulmonary Disease II: Emphysema01:23

Chronic Obstructive Pulmonary Disease II: Emphysema

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Emphysema, a major phenotype of chronic obstructive pulmonary disease (COPD), is characterized by irreversible destruction of alveolar walls and permanent enlargement of distal airspaces. Unlike chronic bronchitis, which primarily affects the airways, emphysema predominantly involves the lung parenchyma, where structural damage leads to airflow limitation.PathophysiologyIt most commonly results from prolonged exposure to cigarette smoke and other toxic gases, particularly cigarette smoke.
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Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features01:24

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Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...
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Chronic Obstructive Pulmonary Disease01:24

Chronic Obstructive Pulmonary Disease

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COPD is defined as a heterogeneous lung condition marked by persistent respiratory symptoms such as dyspnea, cough, and sputum production, caused by abnormalities in the airways that cause airflow obstruction.
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
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Pulmonary Embolism I: Introduction01:29

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Pulmonary embolism (PE) occurs when a thrombus, fat or air embolus, amniotic fluid, or tumor tissue blocks one or more pulmonary arteries. These blockages originate in the venous system or the right side of the heart.EtiologyPE primarily arises from deep vein thrombosis (DVT) and other hypercoagulable states, such as inherited thrombophilias. Additional etiological factors include venous stasis, commonly seen in obesity, and endothelial injury from surgery and trauma. Less common causes include...
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Pulmonary Embolism I: Introduction01:19

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A blood clot, or thrombus, is a semi-solid mass composed of fibrin, platelets, and red blood cells. When it forms within a vessel, it can obstruct blood flow, known as thrombosis. If part of the clot detaches, it becomes an embolus that can travel and block distant vessels. When this occurs in the pulmonary arteries, it causes a condition known as pulmonary embolism (PE).Origin and ImpactMost often, the embolus originates from a thrombus in the deep veins of the lower limbs, a condition called...
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COPD: Pathogenesis and Clinical Features01:20

COPD: Pathogenesis and Clinical Features

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Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that progressively worsen over time, including chronic bronchitis and emphysema. This cluster of diseases collectively leads to a gradual and irreversible decline in lung function over time.
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
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Related Experiment Video

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Automated Measurement of Pulmonary Emphysema and Small Airway Remodeling in Cigarette Smoke-exposed Mice
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A young smoker with hemoptysis.

Sanyal Kumar1, Bhawna Satija, Dipti Gothi

  • 1Department of Radiodiagnosis, Employees State Insurance Hospital and Post Graduate Institute of Medical Science and Research, New Delhi, India.

Lung India : Official Organ of Indian Chest Society
|December 17, 2013
PubMed
Summary

A persistent cough, chest pain, and blood-streaked sputum in a young man were investigated. Imaging revealed a lung mass, leading to a CT-guided biopsy for definitive diagnosis.

Keywords:
Hemoptysismelting signpulmonary infarct

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Area of Science:

  • Pulmonology
  • Radiology
  • Pathology

Background:

  • Persistent respiratory symptoms like cough, chest pain, and hemoptysis can indicate serious underlying conditions.
  • Nonresolving lung opacities on imaging warrant thorough investigation.

Purpose of the Study:

  • To present a case of a young male with prolonged respiratory symptoms.
  • To illustrate the diagnostic process for a lung mass identified via imaging.

Main Methods:

  • Clinical presentation of a young man with 3-month history of dry cough, right lower chest pain, and streaky hemoptysis.
  • Chest radiography revealed a nonresolving opacity.
  • Computed tomography (CT) demonstrated a mass-like consolidation.
  • CT-guided biopsy was performed for histopathological examination.

Main Results:

  • Histopathology confirmed the diagnosis of the lung mass.
  • Radiological features were retrospectively analyzed in conjunction with the diagnosis.

Conclusions:

  • A combination of clinical presentation, advanced imaging (CT), and histopathology is crucial for diagnosing lung masses.
  • CT-guided biopsy is an effective method for obtaining tissue diagnosis of lung lesions.