Chronic ulcers that occur in any portion of GIT that is exposed to the aggressive action of acid and peptic juices. They result due to an imbalance between the mucosal defence mechanisms and damaging forces.
Common sites:
Duodenum 1st part
Stomach –antrum / pylorus
Gastro esophageal (GE) junction
Margins of Gastrojejunostomy
Meckel’s diverticulum –ectopic gastric mucosa
Differences between Peptic ulcers and ulcer cancers
Peptic Ulcer
Small (<2cm), Round, oval - sharply punched out defects with straight walls
In level with the surrounding mucosa
Mucosal folds - radiate from the crater in a spoke- like fashion
Base of ulcer : smooth and clean
Ulcer Cancer
Large (>4cm), irregular ulcers
Elevated / beaded margins
Necrotic base
40 years old male presented with epigastric burning pain.
Specimen of gastrectomy
Mucosal surface shows an ulcer, with well defined punched out margin
The floor of ulcer is clean
Surrounding mucosa is normal
Zone of necrosis
Zone of inflammation
Zone of granulation tissue
Zone of fibrosis
Peptic ulcer stomach
1) Describe the gross features of the specimen.
Specimen of gastrectomy shows small punched out ulcer with regular margin.
Clean based ulcer.
2) Diagnose the pathological condition correlating the history & gross features.
Peptic ulcer.
3) What are the common sites of the above lesion.
Antrum of stomach, Ist part of duodenum, GJ Junction, Meckel`s diverticulum.
4) Which are the complications of the above lesion.
Bleeding, perforation, obstruction.
5). What are the features of malignant ulcer.
Mucosal ulcer with irregular heaped up margins with necrotic base.