Malignancies Of The Oesophagus Flashcards
How long is the oesophagus approximately?
25cm
Where does the oesophagus extend to and fro:
C6 to T11
Name the 4 clinical subdivisions of the oesophagus:
Cervical region
Upper Thoracic region
Midthoracic region
Lower Thoracic region
Where does the cervical oesophagus extend from and to?
From the cricopharynxgeus to the thoracic inlet (T1 vertebrae)
Where does the upper oesophagus extend from and to?
From the thoracic inlet to the trachea bifurcation at the inferior level of theT4 vertebrae
In an endoscopic evaluation where does one begin to measure the oesophagus?
From the incisors
At what length, is the first oesophageal narrowing found?
At 15-17cm
At what length, is the second oesophageal narrowing found?
38-40cm
At what length is the aortic arch and left main bronchus indentation found on the oesophagus?
25cm
- On the anterolateral surface of the oesophagus
Which gender experience a shorter oesophagus?
Females
What are the 2 histological types of oesophageal cancers?
- Adenocarcinomas
- Squamous cell carcinoma
What type of cells line the entire oesophagus?
- Squamous cells
Name 6 factors that increase the risk of developing oesophageal malignancies?
Drinking excessive alcohol Smoking Deficiencies in essential vitamins I.e. Riboflavin Barrett’s oesophagus High BMI GORD
Which gender is more likely to develop an oesophageal malignancy?
Men
At a ration for 3-4:1
What are presenting signs or symptoms of patients presenting with oesophageal malignancies?
Dysphagia (most common, may start off as solids, but includes liquids) Weight loss (second most common) Bleeding Epigastric and retrosternal pain Persistent cough Hoarseness Bone pain with metastatic pain