The antral mucosa showed pancreatic acinar cell metaplasia and intestinal metaplasia .
The existence of gastric lymphoma and intestinal metaplasia was observed in the same or different tissue fragments in most endoscopic biopsies.
However, a small series of 93 patients with an initial diagnosis of intestinal metaplasia were followed prospectively with endoscopy and biopsy.
The remaining 9 cases showed the coexistence of antral-type metaplasia, intestinal metaplasia , and dysplasia in the same specimen.
Antral-type and intestinal metaplasia may represent local responses to chronic injury secondary to the presence of gallstones and inflammation.
The differential diagnosis of breast tumors with abundant cartilaginous and osseous metaplasia includes metaplastic carcinoma.
In contrast to patients with asthma, the epithelium in those with chronic bronchitis is normally intact and shows a squamous metaplastic change or goblet cell hyperplasia.
The biopsies demonstrated both metaplastic squamous and benign respiratory epithelium with acute inflammation and no evidence of malignancy.
Extensive squamous metaplasia was seen within many of the glands, and in several areas there was central necrosis of the metaplastic epithelium.