Document Detail

Myoepithelial hamartoma of the duodenal wall.
MedLine Citation:
PMID:  9504866     Owner:  NLM     Status:  MEDLINE    
A rare case of myoepithelial hamartoma of the duodenal wall is presented, and previous case reports found in the literature are reviewed. Myoepithelial hamartomas are thought to arise from displaced pancreatic anlage present along the gastrointestinal tract during embryogenesis, which can differentiate into various pancreatic elements; the most highly differentiated form is heterotopic pancreas. An alternative theory is pancreatic metaplasia of endodermal tissues. We describe a 41-year-old man who presented with abdominal pain and vomiting. CT scanning revealed a mass at the head of the pancreas. A pancreaticoduodenectomy was performed for presumed cystadenoma. Histology of the mass revealed a disorderly arrangement of smooth muscle, dilated and nondilated ducts, pancreatic acinar tissue and mucus glands. The relationship of myoepithelial hamartomas involving the small bowel to similar lesions in the stomach, bile ducts and gallbladder is discussed.
A Ryan; J R Lafnitzegger; D H Lin; S Jakate; E D Staren
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Virchows Archiv : an international journal of pathology     Volume:  432     ISSN:  0945-6317     ISO Abbreviation:  Virchows Arch.     Publication Date:  1998 Feb 
Date Detail:
Created Date:  1998-03-26     Completed Date:  1998-03-26     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  9423843     Medline TA:  Virchows Arch     Country:  GERMANY    
Other Details:
Languages:  eng     Pagination:  191-4     Citation Subset:  IM    
Rush-Presbyterian-St. Luke's Medical Center, Department of Pathology, Chicago, IL 60612, USA.
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MeSH Terms
Aged, 80 and over
Choristoma / pathology,  radiography,  surgery
Diagnosis, Differential
Duodenal Diseases / pathology*,  radiography,  surgery
Hamartoma / pathology*,  radiography,  surgery
Tomography, X-Ray Computed

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