Related Experiment Video
Updated: May 10, 2026

Open Tracheostomy Gastric Acid Aspiration Murine Model of Acute Lung Injury Results in Maximal Acute Nonlethal Lung Injury
Published on: February 26, 2017
Radiation-associated airway necrosis.
Abdul Hamid Alraiyes1, M Chadi Alraies, Abbas Abbas
1Department of Pulmonary Diseases, Critical Care, and Environmental Medicine, Tulane University Health Sciences Center, New Orleans, LA.
Delayed tracheal chondronecrosis is a rare complication following radiation therapy. This case highlights a patient who developed distal tracheal chondronecrosis 8 years after treatment for mediastinal adenocarcinoma.
Area of Science:
- Medical research
- Oncology
- Pulmonology
Background:
- Chondronecrosis is a known complication of radiation therapy for chest, mediastinal, and head/neck cancers.
- It typically manifests months to years post-treatment, affecting various airway structures.
- Tracheal chondronecrosis is an exceptionally rare occurrence.
Observation:
- This report details a case of delayed chondronecrosis affecting the distal trachea.
- The complication developed eight years after the patient received radiation therapy.
- The initial treatment targeted mediastinal adenocarcinoma using iodine-125 seeds.
Findings:
- The case illustrates a late-onset presentation of tracheal chondronecrosis.
- This highlights the potential for very delayed complications from radiotherapy.
- The distal trachea was the specific site of necrosis.
Implications:
- Management strategies for distal tracheal chondronecrosis depend on the extent of necrosis.
- Treatment options include less invasive methods like balloon dilatation with stenting.
- Surgical interventions such as resection and anastomosis are also considered for severe cases.
Related Concept Videos
Biological Effects of Radiation
Pulmonary Cycle: Exhalation
Radiological Investigation II: MRI and Ventilation Perfusion Scan
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
Acute Respiratory Failure-I
Definition: It is defined by specific criteria based on blood gas measurements. Hypoxemia happens when the partial pressure of oxygen (PaO2) falls below 60 mmHg. At the same time,...
Cellular Injury IV: Necrosis
Necrosis
Morphological Manifestations of Necrosis
Necrotic cells show different types of morphological appearance depending on the type of tissue and infection. In coagulative necrosis, cells become anucleated and die, but their...