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Esophageal perforation is a severe medical condition characterized by a breach in the integrity of the esophageal wall. This breach can occur due to various factors such as trauma, medical procedures, or underlying diseases. When the esophageal wall is compromised, it allows food, fluids, and digestive juices into the chest cavity or adjacent structures, leading to potential complications and health risks.
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V/Q Matched Defect Larger than Hiatal Hernia Itself.

Jason W Wachsmann1, Chun K Kim1

  • 1Department of Radiology, Division of Nuclear Medicine and Molecular Imaging, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.

World Journal of Nuclear Medicine
|October 1, 2015
PubMed
Summary

An 83-year-old female presented with shortness of breath. A large hiatal hernia was found to compress the left lower lobe, causing a matched ventilation/perfusion defect, a rare finding.

Keywords:
Hiatal hernialung scintigraphymatched defectventilation/perfusion scan

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Area of Science:

  • Pulmonary Medicine
  • Radiology
  • Gastroenterology

Background:

  • Progressive shortness of breath is a common symptom with various underlying causes.
  • Ventilation/perfusion (V/Q) scintigraphy is a key diagnostic tool for evaluating pulmonary embolism and other lung pathologies.
  • Hiatal hernias, while common, rarely present with significant pulmonary complications.

Observation:

  • An 83-year-old female experienced progressive dyspnea.
  • V/Q scintigraphy revealed a matched perfusion defect in the left lower lobe basal segments.
  • Contrast-enhanced CT demonstrated compression of bronchi and vasculature in the left lower lobe by a large hiatal hernia.

Findings:

  • The study identified a large hiatal hernia as the cause of a matched lower lobe ventilation/perfusion defect.
  • This case represents a rare instance where a hiatal hernia significantly impacts pulmonary vasculature and airways.
  • Radiological findings correlated the anatomical compression with the observed V/Q scan abnormalities.

Implications:

  • Highlights the importance of considering extrathoracic causes, such as large hiatal hernias, in the differential diagnosis of pulmonary perfusion defects.
  • Suggests that significant hiatal hernias can mimic or cause conditions typically attributed to intrinsic lung disease or pulmonary embolism.
  • Emphasizes the utility of integrated diagnostic approaches combining scintigraphy and CT for complex pulmonary presentations.