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Archivos de Pediatría del Uruguay

versión impresa ISSN 0004-0584versión On-line ISSN 1688-1249


LAZO, Magela; CLAVIJO, Rocio  y  ZUNINO, Carlos. Hamman Syndrome, a case study. Arch. Pediatr. Urug. [online]. 2022, vol.93, n.1, e304.  Epub 01-Jun-2022. ISSN 0004-0584.


Hamman’s syndrome involves the appearance of spontaneous pneumomediastinum associated with emphysema, a rare pathology in pediatrics. Its main symptoms include acute chest pain, dyspnea and subcutaneous emphysema.


to describe a clinical case of this suspected syndrome by analyzing the diagnostic process, supplementary studies, and treatment.

Clinical case:

4-year-old male with personal history of repeated laryngitis. He presented severe acute laryngitis, requiring non-invasive ventilation for 12 hours. Twenty-four hours after admission he developed abrupt inspiratory stridency, respiratory distress, neck, and face edema with crepitation at neck level and front of thorax spreading to both arms. A chest X-ray shows extensive subcutaneous emphysema. A neck and chest CT scan rules out airway injury. With the suggestion of Hamman’s syndrome in a child who presented acute laryngitis as a predisposing factor the episode, it was decided not to continue with additional studies. Physio-pathological treatment was carried out with good clinical evolution. He was discharged a week after admission.


diagnosis of spontaneous pneumomediastinum can be challenging in an emergency setting and having a variety of potentially life-threatening differential diagnoses. High suspicion levels will enable an adequate clinical and imaging assessment to confirm its diagnosis and avoid unnecessary invasive procedures.

Palabras clave : Hamman’s syndrome; Mediastinal emphysema; Chest pain; Child.

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