Related Experiment Video
Updated: Jul 6, 2026

08:17
Generation of a Chronic Obstructive Pulmonary Disease Model in Mice by Repeated Ozone Exposure
Published on: August 25, 2017
10.8K
Late-onset damage from occupational asbestos exposure: case report
Chaïmaâ Zeroual1, Merieme Benzakour1, Mina Moudatir1
1Department of Internal Medicine and Geriatrics, Ibn Rochd University Hospital Center, Casablanca, Morocco.
AME Case Reports
|May 7, 2025
Summary
Retroperitoneal fibrosis (RPF) can be caused by asbestos exposure. Corticosteroid therapy combined with azathioprine shows promise for managing this rare condition.
Area of Science:
- Nephrology
- Environmental Medicine
- Oncology
Background:
- Retroperitoneal fibrosis (RPF), or Ormond's disease, involves fibrosis in the retroperitoneal space, impacting vital structures.
- While often idiopathic, RPF can stem from secondary causes including medications, neoplasms, infections, surgery, or environmental exposures.
- Prolonged occupational asbestos exposure is a rare but significant identified cause of RPF.
Observation:
- A 64-year-old male presented with right low back pain and deteriorating health.
- Clinical findings included right flank tenderness and a left thyroid nodule.
- The patient was diagnosed with RPF secondary to occupational asbestos exposure.
Findings:
- The patient received a right JJ stent and combined corticosteroid therapy.
- Management protocols for asbestos-related RPF are not well-defined.
- Initial use of azathioprine (AZA) alongside corticosteroids demonstrated encouraging outcomes.
Implications:
- Corticosteroids are standard for benign RPF, often requiring immunosuppressants like AZA to prevent relapse.
- This case highlights the importance of considering occupational exposures in RPF diagnosis.
- Further research into AZA's efficacy for asbestos-induced RPF is warranted.
Related Concept Videos
Toxic Reactions: Overview
When toxic substances penetrate the human body, they disseminate to various tissues, undergoing metabolic changes. This process yields reactive metabolites that may covalently bind with specific target molecules, resulting in toxicity.
Toxicity falls into two primary categories: local and systemic.
Local toxicity appears at the exposure site, such as protein denaturation caused by caustic substances.
In contrast, systemic toxicity requires the toxic agent's absorption and distribution,...
Toxicity falls into two primary categories: local and systemic.
Local toxicity appears at the exposure site, such as protein denaturation caused by caustic substances.
In contrast, systemic toxicity requires the toxic agent's absorption and distribution,...
Chronic Obstructive Pulmonary Disease I: Introduction
Chronic obstructive pulmonary disease is a common, preventable, and treatable respiratory disorder characterized by persistent symptoms and progressive airflow limitation. This limitation results from a combination of small-airway disease (obstructive bronchiolitis) and parenchymal destruction (emphysema), both driven by chronic inflammation from exposure to harmful particles or gases.The disease includes two main pathological entities: emphysema, marked by destruction of alveolar walls and...
Secondary Spinal Cord Injury llI: Pathophysiology
Early Ischemia and Ionic ImbalanceWithin minutes of spinal cord injury, a secondary cascade begins, progressing over hours to weeks. Vascular damage reduces blood flow, causing ischemia and mitochondrial dysfunction. ATP depletion leads to ion pump failure, membrane depolarization, sodium influx, potassium efflux, and water accumulation, resulting in cellular swelling. Increased intracellular calcium further disrupts mitochondria and accelerates cellular injury.Excitotoxicity and Neuronal...

