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Related Concept Videos

Chronic Obstructive Pulmonary Disease-I: Introduction01:20

Chronic Obstructive Pulmonary Disease-I: Introduction

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Chronic Obstructive Pulmonary Disease (COPD) is a long-lasting respiratory condition requiring continuous attention and care. It is a progressive lung disease that leads to breathing challenges due to airflow obstruction. It manifests as persistent respiratory symptoms and restricted airflow resulting from abnormalities in the airways and alveoli, usually due to long-term exposure to harmful particles or gases. COPD mainly consists of two primary conditions: emphysema and chronic bronchitis.
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Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.01:25

Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.

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Understanding the variety of primary symptoms and systemic complications that characterize chronic obstructive pulmonary disease (COPD) is crucial for healthcare professionals.
Symptoms of COPD can be classified as primary or systemic. Primary symptoms relate to reduced airflow, while systemic or extrapulmonary symptoms relate to COPD's broader impact on the body.
Primary Symptoms of COPD:
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Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

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Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
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Chronic Obstructive Pulmonary Disease01:22

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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.
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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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Pulmonary Cycle: Exhalation01:17

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In terms of human respiration, the act of expelling air, known as exhalation (or expiration), operates on the principle of pressure gradients. During expiration, the pressure within the lungs exceeds that of the surrounding atmosphere. Under normal conditions, quiet breathing involves passive exhalation and is free of muscular contractions. This is because the exhalation process is driven by the natural elastic recoil of the lungs and chest wall, both of which have an inherent tendency to...
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Related Experiment Video

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Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
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Challenges in DICER1-Associated Lung Disease.

Kamal Masarweh1, Oz Mordechai2,3, Michal Gur1,3

  • 1Pediatric Pulmonary Institute, Ruth Rappaport Children's Hospital, Rambam Health Care Campus, Haifa 3109601, Israel.

Journal of Clinical Medicine
|March 11, 2023
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Summary

Pleuropulmonary blastoma (PPB) is a rare childhood lung cancer with distinct stages. Early-stage PPB is treated with surgery, while advanced stages require chemotherapy, presenting diagnostic and therapeutic challenges.

Keywords:
DICER1lung cystpleuropulmonary blastoma

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Area of Science:

  • Pediatric Oncology
  • Thoracic Surgery
  • Medical Genetics

Background:

  • Pleuropulmonary blastoma (PPB) is the most common primary lung malignancy in children.
  • PPB exhibits age-associated progression from cystic lesions (Type I) to high-grade sarcomas (Types II and III).
  • A DICER1 germline mutation is identified in 70% of PPB cases.

Purpose of the Study:

  • To present cases of pediatric Pleuropulmonary blastoma (PPB).
  • To discuss the diagnostic, ethical, and therapeutic challenges associated with PPB.
  • To highlight the importance of recognizing PPB in infants and young children.

Main Methods:

  • Retrospective review of pediatric patients diagnosed with PPB.
  • Analysis of clinical presentation, imaging, pathology, and treatment outcomes.
  • Discussion of diagnostic difficulties, particularly differentiating from congenital pulmonary airway malformation (CPAM).

Main Results:

  • PPB diagnosis in infants and young children presents significant challenges.
  • Treatment strategies vary based on PPB type, with Type I amenable to resection and Types II/III requiring chemotherapy.
  • Accurate diagnosis is crucial for appropriate management and prognosis.

Conclusions:

  • Pleuropulmonary blastoma (PPB) requires a multidisciplinary approach for optimal management.
  • Early and accurate diagnosis, despite imaging similarities to CPAM, is critical.
  • Understanding the DICER1 mutation and disease progression aids in therapeutic decision-making.