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Updated: May 20, 2026

Automated Measurement of Pulmonary Emphysema and Small Airway Remodeling in Cigarette Smoke-exposed Mice
Published on: January 16, 2015
Asymptomatic spontaneous cervical and mediastinal emphysema.
Hitoshi Ojima1, Yasuyuki Fukai, Makoto Soda
1Department of Gastrointestinal Surgery, Gunma Prefectural Cancer Center, Ota, Gunma, Japan. hiojima@gunma-cc.jp
Spontaneous pneumomediastinum (SPM) in adolescents is treatable with observation and has no recurrences. Consider SPM in young patients with chest pain, even without pneumothorax.
Area of Science:
- Medicine
- Pulmonology
- Thoracic Surgery
Background:
- Spontaneous pneumomediastinum (SPM) is a rare condition, often presenting with chest pain.
- Adolescents are a notable demographic for SPM, with potential triggers including physical exertion and underlying respiratory conditions like asthma.
Observation:
- This report details the experience with four adolescent patients (15-17 years) hospitalized for SPM over three months.
- Two patients had a history of asthma, while the other two developed SPM during sports.
- All patients were managed conservatively with observation.
Findings:
- All four patients were successfully treated and experienced no recurrence during long-term follow-up.
- The study highlights that SPM can be latent and may present without obvious pneumothorax.
Implications:
- SPM should be considered in the differential diagnosis for young individuals presenting with chest pain, especially when pneumothorax is not evident.
- Conservative management with observation appears effective for SPM in adolescents, with a low risk of recurrence.
- Early recognition and diagnosis of SPM are crucial for appropriate patient management and preventing complications.
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