KRAS oncogene mutations suggest a common histogenetic origin for pleomorphic giant cell tumor of the pancreas, osteoclastoma of the pancreas, and pancreatic duct adenocarcinoma

Christopher Gocke, David J. Dabbs, Floyd A. Benko, Jan F. Silverman

Research output: Contribution to journalArticle

Abstract

Giant cell neoplasms of the pancreas are rare tumors of uncertain histogenesis. Mutation of the KRAS oncogene is common in typical pancreatic duet adenocarcinoma. We have analyzed DNA from five pancreatic tumors with giant cells for mutations in the KRAS oncogene and found alterations of the second position of codon 12 in each case (four G > A transitions and one G > C transversion). The common mutation pattern in tumors with giant cells and duct adenocarcinoma suggests a common route to malignant transformation and may indicate a shared histogenesis. We also tested 11 cases of malignant fibrous histiocytoma, a histological mimic of pleomorphic giant cell tumor, for mutations in the KRAS oncogene. The absence of KRAS mutations in each of the malignant fibrous histiocytomas (MFHs) and in other histologically similar tumors may provide assistance in the differential diagnosis of pleomoyphic pancreatic tumors.

Original languageEnglish (US)
Pages (from-to)80-83
Number of pages4
JournalHuman Pathology
Volume28
Issue number1
DOIs
StatePublished - 1997
Externally publishedYes

Fingerprint

Giant Cell Tumors
Pancreatic Ducts
Oncogenes
Pancreas
Adenocarcinoma
Mutation
Malignant Fibrous Histiocytoma
Neoplasms
Giant Cells
Pancreatic Neoplasms
Codon
Differential Diagnosis
DNA

Keywords

  • histogenesis
  • KRAS oncogene
  • osteoclastic giant cell tumor of the pancreas
  • pancreatic giant cell tumor

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

KRAS oncogene mutations suggest a common histogenetic origin for pleomorphic giant cell tumor of the pancreas, osteoclastoma of the pancreas, and pancreatic duct adenocarcinoma. / Gocke, Christopher; Dabbs, David J.; Benko, Floyd A.; Silverman, Jan F.

In: Human Pathology, Vol. 28, No. 1, 1997, p. 80-83.

Research output: Contribution to journalArticle

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