Rhonda K Yantiss
Affiliation: University of Massachusetts Medical School
- KOC (K homology domain containing protein overexpressed in cancer): a novel molecular marker that distinguishes between benign and malignant lesions of the pancreasRhonda K Yantiss
Department of Pathology, UMass Memorial Health Care, Worcester, MA 01655, USA
Am J Surg Pathol 29:188-95. 2005..Therefore, immunostains directed against KOC may be of diagnostic utility in the evaluation of pancreatic lesions, particularly when biopsy material is limited...
- Multiple gastrointestinal stromal tumors in type I neurofibromatosis: a pathologic and molecular studyRhonda K Yantiss
Department of Pathology, UMass Memorial Health Care, Worcester, MA 01655, USA
Mod Pathol 18:475-84. 2005....
- Prevalence and prognostic significance of acinar cell differentiation in pancreatic endocrine tumorsRhonda K Yantiss
Department of Pathology, University of Massachusetts Memorial Medical Center, Worcester 01655, USA
Am J Surg Pathol 26:893-901. 2002..However, in addition to tumor stage, location in the pancreatic tail and the immunohistochemical expression of synaptophysin and/or Leu-7 may be useful prognostic indicators in patients with these lesions...
- Histologic predictors of pouchitis in patients with chronic ulcerative colitisRhonda K Yantiss
Department of Pathology of the University of Massachusetts Medical School UMass Memorial Health Care, 55 Lake Avenue North, Worcester, MA 01655, USA
Am J Surg Pathol 28:999-1006. 2004..Of these features, appendiceal ulceration is highly associated with pouchitis...
- Solitary versus multiple carcinoid tumors of the ileum: a clinical and pathologic review of 68 casesRhonda K Yantiss
Department of Pathology, UMass Memorial Health Care, Worcester, Massachusetts 01655, USA
Am J Surg Pathol 27:811-7. 2003..05). In conclusion, we found that patients with multiple carcinoid tumors are younger, have a significantly greater risk of developing the carcinoid syndrome, and have a poorer prognosis than patients with solitary tumors...
- Prognostic significance of superficial fissuring ulceration in patients with severe "indeterminate" colitisRhonda K Yantiss
Department of Pathology, University of Massachusetts Medical School UMass Memorial Health Care, Worcester, MA, USA
Am J Surg Pathol 30:165-70. 2006..Nevertheless, the presence of superficial fissuring-type ulcers in patients with severe chronic active UC denotes a subgroup with a higher risk of pouchitis following surgical resection...
- Normal variation in intraepithelial lymphocytes of the terminal ileumSmiljana Istvanic
Department of Pathology, University of Pittsburgh Medical Center, St Margaret s Hospital, Pittsburgh, PA, USA
Am J Clin Pathol 127:816-9. 2007..One should avoid overinterpreting the importance of occasional IELs in ileal biopsy specimens from asymptomatic patients...
- Filiform serrated adenomas: a clinicopathologic and immunophenotypic study of 18 casesRhonda K Yantiss
Weill Medical College of Cornell University, Department of Pathology, New York, NY 10021, USA
Am J Surg Pathol 31:1238-45. 2007..We conclude that filiform SA potentially represents an unusual variant of SA with a predilection for the left colon, particularly the rectum...
- Neoadjuvant therapy induces loss of MSH6 expression in colorectal carcinomaFei Bao
Department of Pathology, Columbia University Medical Center, Weill Cornell Medical College, New York, NY, USA
Am J Surg Pathol 34:1798-804. 2010..Therefore, diminished MSH6 staining in treated tumors should prompt immunohistochemical evaluation of pretreatment biopsy samples before genetic testing for Lynch syndrome...
- Pathologic features and biologic importance of colorectal serrated polypsEfsevia Vakiani
Department of Pathology, Memorial Sloan Kettering Cancer Center, Weill Medical College of Cornell University, 525 East 68th Street, New York, NY 10065, USA
Adv Anat Pathol 16:79-91. 2009..This review describes the clinicopathologic and molecular features of serrated polyps and discusses the current data regarding their biologic significance...
- Intrathoracic gallstones: a case report and literature reviewJacques P Fontaine
Division of Thoracic Surgery, University of Massachusetts Medical Center, Worcester, Massachusetts, USA
JSLS 10:375-8. 2006..Laparoscopic cholecystectomy is one of the most commonly performed procedures in general surgery. There have been very few reported thoracic complications from this surgical procedure...
- Duodenal intraepithelial lymphocytes in inflammatory disorders of the esophagus and stomachMohammad M Yousef
Department of Pathology, UMass Memorial Healthcare, Worcester, Massachusetts 01605, USA
Clin Gastroenterol Hepatol 4:631-4. 2006..This study assessed whether CD3+ IELs are increased in duodenal biopsies in patients with esophagitis or gastritis relative to normal control subjects...
- Metastatic Merkel cell carcinoma diagnosed by EUS-guided FNA of a rapidly progressive peripancreatic massTodd P Jessup
Divisions of Gastroenterology and Anatomic Pathology, UMass Memorial Medical Center, Worcester, MA 01655, USA
Gastrointest Endosc 63:527-9. 2006
- Utility of MMP-1, p53, E-cadherin, and collagen IV immunohistochemical stains in the differential diagnosis of adenomas with misplaced epithelium versus adenomas with invasive adenocarcinomaRhonda K Yantiss
Department of Pathology, UMass Memorial Health Care, Worcester, Massachusetts, U S A
Am J Surg Pathol 26:206-15. 2002....
- Reactive nodular fibrous pseudotumor of the gastrointestinal tract and mesentery: a clinicopathologic study of five casesRhonda K Yantiss
Department of Pathology, University of Massachuestts Memorial Health Care, 55 Lake Avenue North, Worcester, MA 01655, USA
Am J Surg Pathol 27:532-40. 2003..Recognition of these nonneoplastic lesions is important, as they pursue a benign clinical course, but may be confused with other mesenchymal neoplasms that require more aggressive treatment...
- Gastrointestinal stromal tumors: an ultrastructural studyRhonda K Yantiss
James Homer Wright Pathology Laboratories, Massachusetts General Hospital and the Department of Pathology, Harvard Medical School, Boston 02214, USA
Int J Surg Pathol 10:101-13. 2002..It is hoped that these findings will aid in their recognition and contribute to the classification of this heterogeneous group of neoplasms...
- Use of IMP3 in identification of carcinoma in fine needle aspiration biopsies of pancreasRhonda K Yantiss
Department of Pathology and Laboratory Medicine, Weill Medical College of Cornell University, 525 East 68th Street, New York, New York 10021, USA
Acta Cytol 52:133-8. 2008..To evaluate insulin-like growth factor-II mRNA binding protein 3 (IMP3), which is an oncofetal RNA-binding protein expressed in pancreatic carcinomas and detectable by immunohistochemistry, in diagnosis of pancreatic cancer...
- Hyperplastic/serrated polyposis in inflammatory bowel disease: a case series of a previously undescribed entityAmitabh Srivastava
Department of Pathology, Dartmouth Hitchcock Medical Center, Lebanon, NH 03755
Am J Surg Pathol 32:296-303. 2008....
- Pitfalls in the interpretation of nonneoplastic mucosal biopsies in inflammatory bowel diseaseRhonda K Yantiss
Department of Pathology and Laboratory Medicine of the Weill Medical College of Cornell University, New York, New York, USA
Am J Gastroenterol 102:890-904. 2007..The potential diagnostic pitfalls faced by physicians, as well as features that aid in the distinction among these entities, are discussed in detail in this review...
- Evaluation of site-specific and seasonal variation in colonic mucosal eosinophilsAlexandros D Polydorides
Department of Pathology and Laboratory Medicine, Weill Medical College of Cornell University, New York, NY 10021, USA
Hum Pathol 39:832-6. 2008..05). We conclude that intramucosal eosinophils are commonly present in the proximal colon but show only mild fluctuations with ambient allergen exposure...
- Alterations in the immunohistochemical expression of Das-1 and CG-3 in colonic mucosal biopsy specimens helps distinguish ulcerative colitis from Crohn disease and from other forms of colitisRhonda K Yantiss
Department of Pathology and Laboratory Medicine, Weill Medical College of Cornell University, New York, NY
Am J Surg Pathol 32:844-50. 2008..003 for all comparisons). We conclude that the patterns of Das-1 and CG-3 staining in colonic mucosal biopsies may be clinically useful in distinguishing UC from CD and from other colitidies...
- Long-term docosahexaenoic acid therapy in a congenic murine model of cystic fibrosisSatti Beharry
Program in Integrative Biology, The Research Institute, Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
Am J Physiol Gastrointest Liver Physiol 292:G839-48. 2007..The potential therapeutic benefits of DHA in severe CF-associated liver disease remain to be explored...
- Induction of colitis in cftr-/- mice results in bile duct injuryPaola G Blanco
Beth Israel Deaconess Medical Center, 330 Brookline Ave, Dana 501, Boston, MA 02215, USA
Am J Physiol Gastrointest Liver Physiol 287:G491-6. 2004..0006). Pretreatment with oral docosahexaenoic acid decreased both histological evidence of bile duct injury and serum alkaline phosphatase levels. In the setting of colitis, loss of CFTR function leads to bile duct injury...
- Appendiceal mucinous neoplasms: a clinicopathologic analysis of 107 casesJoseph Misdraji
James Homer Wright Pathology Laboratories of the Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
Am J Surg Pathol 27:1089-103. 2003....
- A comprehensive study of nondysplastic and dysplastic serrated polyps of the vermiform appendixRhonda K Yantiss
Department of Pathology and Laboratory Medicine, Weill Cornell Medical College, New York, NY 10021, USA
Am J Surg Pathol 31:1742-53. 2007..These features, including BRAF mutations, may be more closely related to a serrated morphology in appendiceal polyps rather than biologically important changes...