Oesophageal pathology Flashcards
Most common oesophageal cancer=
caused by ___
adenocarcinoma
reflux->Barrett’s
Types of malignant oesophageal cancers (2)
adenocarcinoma
squamous cell carcinoma
red flags for oesophageal cancer
dysphagia (bolus sensation) odynophagia upper GI bleed anaemia wt. loss
Palliative options for oeso ca
chemo, radio (preserves swallow) stent
Potentially curative options for oeso ca
surgery (better cure rates)
chemoradiotherapy (less complications)
Stage oeso ca by
CT PET, EUS and laparoscopy
CT doesnt show if has spread to peritoneum
Acute oesophagitis is rare/common
caused by
rare
chemical ingestion
immunocompromised infection eg. CMV, herpes, candida
Chronic oesophagitis is caused by +
Reflux (common)
Crohn’s (rare)
Barrett’s is either due to ___ of gastric glandular epithelium or ___ of oesophageal stem cells
expansion
differentiation
In reflux as a cause of chronic oesophagitis=
basal cell endothelial ___ w intraepithelial ++_ and elongation of ____
expansion
neutro, lymphocytes ad eosino
connective tissue papillae
Allergic oesophagitis is ___ inflammation in ___ individuals who are young/old
eosinophilic, in atopics, young
Diagnosis of allergic oesophagitis is by :
pH probe -ve for reflux
eosinophilia in blood
corrugated horizontal oesophagus on endoscopy
treatment for allergic oesophagitis
steroids, cromoglicate, montelukast
Benign oesophageal tumours =
squamous papilloma - HPV related and asymptomatic
Oeso squamous ca is linked to
Vit A/zinc deficiency, strong tea, alcohol, smoking, HPV, oesophagitis