Esophagus Flashcards
______ is a
- Muscular tube located between the pharynx and the stomach
- Starts after the cricoid cartilage around C6 and ends at around TIO
- 25 cm in length
Esophagus
What are the 4 divisions of the esophagus
cervical , upper thoracic , middle thoracic , and lower thoracic
The esophagus is posterior to the
trachea
What are the 3 layers of the esophagus?
mucosal, submucosal, muscular layer
- mucosal inner most layer has 3 divisions
- epithelium - most esophagus cancers
lamina propria
muscularis mucosa
______ is associated with Barrett’s esophagus
Adenocarcinoma
There are lymphatic vessels within the ______layer of the esophagus
submucosa
Esophageal cancer Lymphatic spread can demonstrate
skip metastasis
____thoracic esophagus drains to the internal jugular, cervical,paraesophageal, and supraclavicular node
upper
_____thoracic esophagus drains to the paratracheal, hilar, subcarinal, paraesophageal, and paracardial nodes
middle
x______thoracic esophagus drains to the celiac axis, gastric nodes, and nodes within the lesser curvature of the stomach
lower
________ are common in the upper and middle sections of the esophagus
Squamous cell carcinomas
______are common in the lower section of the esophagus and GE junction. Are also the most common esophageal cancer in US.
Adenocarcinomas
etiology for esophagus
- chronic consumption of hot, highly seasoned foods
- alcohol , tobacco
- chemical exposure
- short esophagus
- Barrett disease
clinical presentation for esophagus
- dysphagia and weight loss most common
- chest pain
- odynophagia
- hoarseness if laryngeal nerve compressed
- SVC syndrome
- hematemesis
what’s typical workup for esophagus
- history and physical
- barium swallowed under fluoroscopy
- esophagoscopy with biopsy
- ultrasound shows depth of invasion through organ layers
- CT
