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Related Concept Videos

Pneumothorax-II01:27

Pneumothorax-II

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Pneumothorax is a medical condition defined by the buildup of air in the pleural space between the lungs and the chest wall. This accumulation of air can lead to partial or complete lung collapse, resulting in a range of clinical manifestations. Understanding the clinical presentation and effective management strategies is crucial for healthcare professionals in providing timely and appropriate care to individuals with pneumothorax.
Clinical Manifestations:
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Pneumothorax-I01:26

Pneumothorax-I

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A pneumothorax is a condition where air builds up in the space between the lung and the chest wall, causing the lung to collapse. This condition arises when air enters the space between the parietal and visceral pleura, disrupting the negative pressure essential for lung inflation. This can lead to a partial or complete collapse of the lung.
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Pneumonia II: Pathophysiology01:29

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The lungs are nestled in a cavity, shielded by the pleura. The pleura, a form of serous membrane, wraps around each lung. This membrane arrangement consists of two layers: the visceral and parietal pleurae. The visceral pleura lines the surface of the lungIn contrast, the parietal pleura is the outer layer and contacts to the thoracic wall, the mediastinum, and the diaphragm. The hilum is the point of connection between the visceral and parietal layers. The space between the parietal and...
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Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
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The respiratory system's basic structures and primary functions lay the foundation for nurses' comprehensive respiratory assessments. This assessment includes subjective and objective data to gauge the patient's respiratory health.
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Updated: Oct 14, 2025

Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia
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Recurrent pneumothoraces with diffuse small ground-glass and solid nodules.

Li Yan Sandra Hui1, Xin Min Cheng2, Ing Xiang Soo3

  • 1Department of Respiratory and Critical Care Medicine Changi General Hospital Singapore.

Respirology Case Reports
|November 8, 2021
PubMed
Summary
This summary is machine-generated.

Multifocal micronodular pneumocyte hyperplasia (MMPH), a lung condition in tuberous sclerosis, presents as small nodules. Accurate diagnosis is key to differentiate it from serious conditions and ensure proper patient care.

Keywords:
cystic lung diseaselung noduleslymphangioleiomyomatosismultifocal micronodular pneumocyte hyperplasiatuberous sclerosis complex

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Area of Science:

  • Pulmonary Medicine
  • Radiology
  • Genetics

Background:

  • Multifocal micronodular pneumocyte hyperplasia (MMPH) is an uncommon pulmonary manifestation associated with tuberous sclerosis complex (TSC).
  • Radiologically, MMPH typically presents as diffuse small ground-glass and solid pulmonary nodules.
  • Distinguishing MMPH from other conditions like miliary tuberculosis or malignancies is crucial for appropriate management.

Observation:

  • This case highlights the radiological and histological features of MMPH in a patient with genetically confirmed tuberous sclerosis complex.
  • The patient also presented with co-existing lymphangioleiomyomatosis, another TSC-related condition.
  • Key radiological findings aiding diagnosis include multicentricity at onset and stability over time.

Findings:

  • Histological examination reveals a hamartomatous proliferation of type II pneumocytes.
  • A characteristic feature is the absence of a high nuclear to cytoplasmic ratio in the proliferating cells.
  • MMPH has a generally benign prognosis, contrasting with its differential diagnoses.

Implications:

  • Accurate and timely diagnosis of MMPH is essential to avoid unnecessary treatments for misdiagnosed conditions.
  • Understanding the distinct radiological and histological features aids in differentiating MMPH from malignant or infectious lung diseases.
  • This case underscores the importance of recognizing MMPH as a key pulmonary manifestation in patients with tuberous sclerosis complex.