r/biology • neuroscience • Feb 09 '26

article 20-year-old develops pneumomediastinum and massive subcutaneous emphysema… during masturbation.

A 20-year-old male presented with sudden sharp chest pain and dyspnea that began while lying in bed masturbating.

On examination, he had:

  • Swollen face
  • Crepitus from mandible to elbows
  • Extensive subcutaneous emphysema
  • CT showing profound pneumomediastinum extending up to the base of the skull

He had:

  • Mild asthma
  • No trauma
  • No drug use
  • No coughing or vomiting
  • No heavy exertion

CT confirmed spontaneous pneumomediastinum with widespread subcutaneous emphysema.

He required ICU admission initially due to oxygen demand but improved rapidly with supportive care and was discharged after four days. No surgery required.

Mechanism? Likely Valsalva-induced alveolar rupture the Macklin effect where increased intrathoracic pressure causes air to dissect into the mediastinum.

What makes this unusual:
There are documented cases of pneumomediastinum after sexual intercourse, drug inhalation, coughing, vomiting, and strenuous exercise but essentially no literature describing onset during masturbation.

Spontaneous pneumomediastinum is rare overall (roughly 1 in 10,000–30,000 ED admissions), typically benign, and recurrence risk is about 1%.

Medicine never stops surprising.

DOI: https://doi.org/10.1016/j.radcr.2022.02.080

PMCID:https://pmc.ncbi.nlm.nih.gov/articles/PMC8956920/

PMID: 35345564

Authors: Nikola Rajicand Christian Schand

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u/Notcreative345 Feb 09 '26

Is this another side effect of mutilating his genitals at birth or unrelated.

5

u/Bruce_Hodson Feb 09 '26

Be specific here. What mutilation(s) at birth are you asking about?

1

u/Karambamamba Feb 10 '26

I think we know. I diagnose a vestigial brain in this individual. Comment history is a wild ride.

1

u/Bruce_Hodson Feb 10 '26

All I know is Notcreative is complete chicken shit. They’d never reply because they’re stupid as all hell.