Pathology of esophagus

Pathology of esophagus
Updated: 02/20/19
© Jun Wang, MD, PhD

Key anatomy and histological features
  • Muscular tubular structure
Striated muscle: upper portion (suprasternal notch and up)
Mixed striated and smooth muscle: mid (suprasternal notch to diaphragmatic hiatus):
Smooth muscle: lower (diaphragm to GE junction)
  • Squamous epithelium
  • GE junction: Junction of squamous and columnar epithelium
Functional disorders


Benign esophageal disorders


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