Post-traumatic pulmonary interstitial emphysema

Case contributed by Yaïr Glick
Diagnosis certain

Presentation

Fall from height.

Patient Data

Age: 40 years
Gender: Male

Minuscule bilateral pneumothorax. Small amount of free anterior supradiaphragmatic air. Right upper lobe (RUL) and minimal left upper lobe (LUL) contusion, without active bleeding. Bilateral upper lobe interstitial emphysema.

Nondisplaced diagonal manubrial fracture on the left.
Nondisplaced fracture in anterior arch near the costochondral junction of right ribs 3, 5, and 7, and left ribs 2-5, in the lateral arch of right ribs 9-11, and in the posterior arch of left ribs 5-9, including two adjacent fractures in each of left ribs 6-8.

Midline subcutaneous emphysema at height of xiphoid process, on the right from the inferior border of the serratus anterior and pectoralis major muscles downwards, and around the midline from the height of the umbilicus to the hypogastrium and scrotum.

No abdominopelvic traumatic findings.

Case Discussion

Fall from the fifth floor, history of schizophrenia. Denied attempted suicide.

Bilateral upper lobe interstitial emphysema stood out among the traumatic findings, as interstitial emphysema is a well-known consequence of barotrauma in ventilated neonates but rare in adults.

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