Vassiliki Tsikitis

Associate Professor

  • 859 Citations
  • 18 h-Index
20042019
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Research Output 2004 2019

  • 859 Citations
  • 18 h-Index
  • 65 Article
  • 2 Review article
  • 1 Editorial
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Article
2019
1 Citation (Scopus)

Anal intraepithelial neoplasia: Diagnosis, screening, and treatment

Siddharthana, R. V., Lanciault, C. & Tsikitis, V., May 3 2019, In : Annals of Gastroenterology. 32, 3, p. 257-263 7 p.

Research output: Contribution to journalArticle

Open Access
Papillomaviridae
Anus Neoplasms
Virus Diseases
Neoplasms
Therapeutics
1 Citation (Scopus)
Appendiceal Neoplasms
Appendicitis
Medicare
Diagnostic Errors
Epidemiology
Endoscopy
Benchmarking

Benign Anal Disease: Implementation of an Educational Program Across Specialties

Kelley, K. A., Schulman, C., Lu, K. & Tsikitis, V., Nov 1 2019, In : Journal of Surgical Research. 243, p. 249-254 6 p.

Research output: Contribution to journalArticle

Internal Medicine
Rectal Diseases
Institutional Practice
Medicine
Surgical Specialties
Inpatients
Databases
Patient Acceptance of Health Care
Research
Organizations
Length of Stay
Drug Therapy
Morbidity
Mortality

Review of Colorectal Studies Using the National Cancer Database

Kelley, K. A. & Tsikitis, V., Jan 1 2019, In : Clinics in Colon and Rectal Surgery. 32, 1, p. 69-74 6 p.

Research output: Contribution to journalArticle

Databases
Neoplasms
Cancer Care Facilities
Colorectal Surgery
Medical Oncology
Appendiceal Neoplasms
Databases
Drug Therapy
Neoplasms
Survival
2018
Rectal Neoplasms
Lymph Nodes
Guidelines
Lymph Node Excision
Radiotherapy
9 Citations (Scopus)

microRNA-451a regulates colorectal cancer proliferation in response to radiation

Ruhl, R., Rana, S., Kelley, K., Espinosa-Diez, C., Hudson, C., Lanciault, C., Thomas, C., Tsikitis, V. & Anand, S., May 3 2018, In : BMC Cancer. 18, 1, 517.

Research output: Contribution to journalArticle

MicroRNAs
Colorectal Neoplasms
Radiation
Radiation Dosage
Neoplasms
2 Citations (Scopus)

MiR-486-5p Downregulation Marks an Early Event in Colorectal Carcinogenesis

Kelley, K. A., Wieghard, N., Chin, Y., Potter, A., Mori, M. T., Wong, M., Chin, K-Y. & Tsikitis, V., Nov 1 2018, In : Diseases of the Colon and Rectum. 61, 11, p. 1290-1296 7 p.

Research output: Contribution to journalArticle

MicroRNAs
Carcinogenesis
Down-Regulation
Colorectal Neoplasms
Colon
1 Citation (Scopus)
Radiation Oncology
Rectal Neoplasms
Watchful Waiting
Observation
Neoadjuvant Therapy
1 Citation (Scopus)

Travel distance influences readmissions in colorectal cancer patients—what the primary operative team needs to know

Kelley, K. A., Young, J. I., Bassale, S., Herzig, D., Martindale, R., Sheppard, B., Lu, K. & Tsikitis, V., Jul 1 2018, In : Journal of Surgical Research. 227, p. 220-227 8 p.

Research output: Contribution to journalArticle

Colorectal Neoplasms
Rectal Neoplasms
Mortality
Poverty
Medicare
2017
4 Citations (Scopus)

Does sex influence publication productivity among colorectal surgeons participating in fellowship training programs?

Geltzeiler, C. B., Kelley, K. A., Srikanth, P., Deveney, K., Diamond, S., Thomas, C., Enestvedt, B. & Tsikitis, V., May 1 2017, In : Diseases of the Colon and Rectum. 60, 5, p. 537-543 7 p.

Research output: Contribution to journalArticle

Publications
Education
Research
Bibliometrics
Surgeons
8 Citations (Scopus)

Perianal Crohn’s disease: Challenges and solutions

Kelley, K. A., Kaur, T. & Tsikitis, V., Feb 8 2017, In : Clinical and Experimental Gastroenterology. 10, p. 39-46 8 p.

Research output: Contribution to journalArticle

Crohn Disease
Therapeutics
Quality of Life
Direction compound
5 Citations (Scopus)

Prognosis of small bowel adenocarcinoma in Crohn's disease compares favourably with de novo small bowel adenocarcinoma

Wieghard, N., Mongoue-Tchokote, S., Young, J. I., Sheppard, B. & Tsikitis, V., May 1 2017, In : Colorectal Disease. 19, 5, p. 446-455 10 p.

Research output: Contribution to journalArticle

Crohn Disease
Adenocarcinoma
Survival
Drug Therapy
Neoplasms

Seeding of Abdomen with Primary Intracranial Hemangiopericytoma by Ventriculoperitoneal Shunt: Case Report

Bridges, K., Sauerwein, R., Grafe, M., Tsikitis, V., Halfpenny, A. & Raslan, A., 2017, (Accepted/In press) In : World Neurosurgery.

Research output: Contribution to journalArticle

Solitary Fibrous Tumors
Hemangiopericytoma
Ventriculoperitoneal Shunt
Abdomen
Hydrocephalus
1 Citation (Scopus)

Understanding and Resetting Radiation Sensitivity in Rectal Cancer

Kelley, K. A., Ruhl, R. A., Rana, S. R., Dewey, E., Espinosa, C., Thomas, C., Martindale, R., Anand, S. & Tsikitis, V., Jul 24 2017, (Accepted/In press) In : Annals of Surgery.

Research output: Contribution to journalArticle

Radiation Tolerance
Rectal Neoplasms
MicroRNAs
Chemoradiotherapy
Colorectal Neoplasms
2016

Endoluminal Therapy in Colorectal Cancer

Kelley, K. A. & Tsikitis, V., Sep 1 2016, In : Clinics in Colon and Rectal Surgery. 29, 3, p. 216-220 5 p.

Research output: Contribution to journalArticle

Natural Orifice Endoscopic Surgery
Polyps
Endoscopy
Colorectal Neoplasms
Neoplasms
10 Citations (Scopus)

MicroRNA signatures of colonic polyps on screening and histology

Tsikitis, V., Potter, A., Mori, M. T., Buckmeier, J. A., Preece, C. R., Harrington, C. C., Bartley, A. N., Bhattacharyya, A. K., Hamilton, S. R., Lance, M. P. & Thompson, P. A., Dec 1 2016, In : Cancer Prevention Research. 9, 12, p. 942-949 8 p.

Research output: Contribution to journalArticle

Colonic Polyps
MicroRNAs
Adenoma
Histology
Polyps
4 Citations (Scopus)
Anus Neoplasms
Nomograms
Chemoradiotherapy
Survival
Databases
24 Citations (Scopus)

Treatment and Survival of Small-bowel Adenocarcinoma in the United States: A Comparison with Colon Cancer

Young, J. I., Mongoue-Tchokote, S., Wieghard, N., Mori, M. T., Vaccaro, G., Sheppard, B. & Tsikitis, V., Apr 1 2016, In : Diseases of the Colon and Rectum. 59, 4, p. 306-315 10 p.

Research output: Contribution to journalArticle

Colonic Neoplasms
Adenocarcinoma
Survival
Therapeutics
Drug Therapy
2 Citations (Scopus)

Variation in the Use of Chemoradiotherapy for Stage II and III Anal Cancer: Analysis of the National Cancer Data Base

Geltzeiler, C. B., Tsikitis, V., Kim, J. S., Thomas, C., Herzig, D. & Lu, K., Jul 21 2016, (Accepted/In press) In : Annals of Surgical Oncology. p. 1-7 7 p.

Research output: Contribution to journalArticle

Anus Neoplasms
Chemoradiotherapy
Databases
Odds Ratio
Confidence Intervals
2015
5 Citations (Scopus)

HIV positivity and anal cancer outcomes: A single-center experience

Wieghard, N., Hart, K. D., Kelley, K., Lu, K., Herzig, D., Mitin, T., Thomas, C. & Tsikitis, V., Oct 30 2015, (Accepted/In press) In : American Journal of Surgery.

Research output: Contribution to journalArticle

Anus Neoplasms
HIV
Survival
Recurrence
Colostomy
20 Citations (Scopus)

Molecular markers for colon diagnosis, prognosis and targeted therapy

Herzig, D. & Tsikitis, V., Jan 1 2015, In : Journal of Surgical Oncology. 111, 1, p. 96-102 7 p.

Research output: Contribution to journalArticle

Colon
Adenocarcinoma
Therapeutics
Second Primary Neoplasms
Carcinogenesis

Probiotics in Colorectal Surgery

Martindale, R., Warren, M. & Tsikitis, V., Nov 1 2015, In : World Journal of Surgery. 39, 11, p. 2784-2785 2 p.

Research output: Contribution to journalArticle

Surgical Wound Infection
Colorectal Surgery
Anastomotic Leak
Probiotics
Colorectal Neoplasms
4 Citations (Scopus)

Psychiatric Illness is a Disparity in the Surgical Management of Rectal Cancer

Wieghard, N. E., Hart, K. D., Herzig, D., Lu, K. & Tsikitis, V., Sep 11 2015, (Accepted/In press) In : Annals of Surgical Oncology.

Research output: Contribution to journalArticle

Rectal Neoplasms
Psychiatry
Mental Disorders
International Classification of Diseases
Length of Stay
8 Citations (Scopus)

Strictureplasty for Treatment of Crohn’s Disease: an ACS-NSQIP Database Analysis

Geltzeiler, C. B., Young, J. I., Diggs, B. S., Keyashian, K., Deveney, K., Lu, K., Tsikitis, V. & Herzig, D., May 1 2015, In : Journal of Gastrointestinal Surgery. 19, 5, p. 905-910 6 p.

Research output: Contribution to journalArticle

Quality Improvement
Crohn Disease
Databases
Reoperation
Therapeutics
10 Citations (Scopus)

Trends in the Surgical Management of Crohn’s Disease

Geltzeiler, C. B., Hart, K. D., Lu, K., Deveney, K., Herzig, D. & Tsikitis, V., Aug 19 2015, In : Journal of Gastrointestinal Surgery. 19, 10, p. 1862-1868 7 p.

Research output: Contribution to journalArticle

Surgical Stomas
Ileostomy
Colostomy
Crohn Disease
Weight Loss
15 Citations (Scopus)

Trends in the surgical management of diverticulitis

Wieghard, N., Geltzeiler, C. B. & Tsikitis, V., 2015, In : Annals of Gastroenterology. 28, 1, p. 25-30 6 p.

Research output: Contribution to journalArticle

Diverticulitis
Sigmoid Colon
Health Care Costs
Patient Selection
Morbidity
2014
4 Citations (Scopus)
Colonoscopy
Internship and Residency
Education
Intubation
Computed Tomographic Colonography
4 Citations (Scopus)
Anus Neoplasms
Chemoradiotherapy
Databases
Radiation
Neoplasms
5 Citations (Scopus)

Differential expression of microRNA-320a, -145, and -192 along the continuum of normal mucosa to high-grade dysplastic adenomas of the colorectum

Tsikitis, V., White, I., Mori, M. T., Potter, A., Bhattcharyya, A., Hamilton, S. R., Buckmeier, J., Lance, P. & Thompson, P., 2014, In : American Journal of Surgery. 207, 5, p. 717-722 6 p.

Research output: Contribution to journalArticle

MicroRNAs
Adenoma
Mucous Membrane
Smoking
Histology
15 Citations (Scopus)

Increasing the number of lymph nodes examined after colectomy does not improve colon cancer staging

Budde, C. N., Tsikitis, V., Deveney, K., Diggs, B. S., Lu, K. & Herzig, D., 2014, In : Journal of the American College of Surgeons. 218, 5, p. 1004-1011 8 p.

Research output: Contribution to journalArticle

Colectomy
Neoplasm Staging
Colonic Neoplasms
Lymph Nodes
Survival
21 Citations (Scopus)

Initial surgical management of ulcerative colitis in the biologic era

Geltzeiler, C. B., Lu, K., Diggs, B. S., Deveney, K., Keyashian, K., Herzig, D. & Tsikitis, V., 2014, In : Diseases of the Colon and Rectum. 57, 12, p. 1358-1363 6 p.

Research output: Contribution to journalArticle

Ulcerative Colitis
Colectomy
Colonic Pouches
Hospitalization
Inpatients
31 Citations (Scopus)

Predictors of recurrence free survival for patients with stage II and III colon cancer

Tsikitis, V., Larson, D. W., Huebner, M., Lohse, C. M. & Thompson, P. A., May 16 2014, In : BMC Cancer. 14, 1, 336.

Research output: Contribution to journalArticle

Colonic Neoplasms
Recurrence
Survival
Drug Therapy
Survival Rate
12 Citations (Scopus)

Recent developments in the surgical management of perianal fistula for Crohn’s disease

Geltzeiler, C. B., Wieghard, N. & Tsikitis, V., 2014, In : Annals of Gastroenterology. 27, 4, p. 320-330 11 p.

Research output: Contribution to journalArticle

Crohn Disease
Fistula
Disease Management
Morbidity
Recurrence
2013
4 Citations (Scopus)

Enhanced visibility of colonic neoplasms using formulaic ratio imaging of native fluorescence

Banerjee, B., Rial, N. S., Renkoski, T., Graves, L. R., Reid, S. A. H., Hu, C., Tsikitis, V., Nfonsom, V., Pugh, J. & Utzinger, U., Nov 2013, In : Lasers in Surgery and Medicine. 45, 9, p. 573-581 9 p.

Research output: Contribution to journalArticle

Optical Imaging
Colonic Neoplasms
Fluorescence
Flavin-Adenine Dinucleotide
Tryptophan
26 Citations (Scopus)

Ratio images and ultraviolet C excitation in autofluorescence imaging of neoplasms of the human colon

Renkoski, T. E., Banerjee, B., Graves, L. R., Rial, N. S., Reid, S. A. H., Tsikitis, V., Nfonsam, V. N., Tiwari, P., Gavini, H. & Utzinger, U., 2013, In : Journal of Biomedical Optics. 18, 1, 016005.

Research output: Contribution to journalArticle

neoplasms
Screening
lesions
Color
Imaging techniques
9 Citations (Scopus)

Stage III & IV colon and rectal cancers share a similar genetic profile: A review of the Oregon Colorectal Cancer Registry

Gawlick, U., Lu, K., Douthit, M. A., Diggs, B. S., Schuff, K., Herzig, D. & Tsikitis, V., May 2013, In : American Journal of Surgery. 205, 5, p. 608-612 5 p.

Research output: Contribution to journalArticle

Rectal Neoplasms
Colonic Neoplasms
Registries
Colorectal Neoplasms
Mutation
4 Citations (Scopus)

Surgeon leadership enables development of a colorectal cancer biorepository

Tsikitis, V., Lu, K., Douthit, M. & Herzig, D., May 2013, In : American Journal of Surgery. 205, 5, p. 563-565 3 p.

Research output: Contribution to journalArticle

Colorectal Neoplasms
Chemical Databases
Family Health
Telephone
Surgeons
2012
6 Citations (Scopus)

Preoperative radiation therapy for upper rectal cancer T3,T4/Nx: Selectivity essential

Popek, S., Tsikitis, V., Hazard, L. & Cohen, A. M., 2012, In : Clinical Colorectal Cancer. 11, 2, p. 88-92 5 p.

Research output: Contribution to journalArticle

Neoadjuvant Therapy
Rectal Neoplasms
Radiotherapy
1 Citation (Scopus)

Rectal schwannoma (neurilemmoma)

Vijayasekaran, A., Tsikitis, V., Gardetto, J. S., Bracamonte, E. R. & Cohen, A. M., Feb 2012, In : American Surgeon. 78, 2

Research output: Contribution to journalArticle

Endosonography
X Ray Computed Tomography
Colectomy
Neurilemmoma
Rectal Neoplasms
101 Citations (Scopus)

Trends of incidence and survival of gastrointestinal neuroendocrine tu-mors in the united states: A seer analysis

Tsikitis, V., Wertheim, B. C. & Guerrero, M. A., 2012, In : Journal of Cancer. 3, 1, p. 292-302 11 p.

Research output: Contribution to journalArticle

Neuroendocrine Tumors
Survival
Incidence
Colon
Rectal Neoplasms
19 Citations (Scopus)

Tryptophan autofluorescence imaging of neoplasms of the human colon

Banerjee, B., Renkoski, T., Graves, L. R., Rial, N. S., Tsikitis, V., Nfonsam, V., Pugh, J., Tiwari, P., Gavini, H. & Utzinger, U., Jan 2012, In : Journal of Biomedical Optics. 17, 1, 016003.

Research output: Contribution to journalArticle

neoplasms
tryptophan
Tryptophan
Fluorescence
Imaging techniques
2011
19 Citations (Scopus)

Disparities in treatment and survival of white and native American patients with colorectal cancer: A SEER analysis

Cueto, C. V., Szeja, S., Wertheim, B. C., Ong, E. S. & Tsikitis, V., Oct 2011, In : Journal of the American College of Surgeons. 213, 4, p. 469-474 6 p.

Research output: Contribution to journalArticle

North American Indians
Colorectal Neoplasms
Epidemiology
Survival
Rectal Neoplasms
1 Citation (Scopus)

Epidemiology of Inherited Colon Cancer

Popek, S. & Tsikitis, V., Jun 2011, In : Seminars in Colon and Rectal Surgery. 22, 2, p. 77-81 5 p.

Research output: Contribution to journalArticle

Colonic Neoplasms
Colorectal Neoplasms
Epidemiology
Hereditary Nonpolyposis Colorectal Neoplasms
Adenomatous Polyposis Coli
13 Citations (Scopus)

Neoadjuvant vs adjuvant pelvic radiotherapy for locally advanced rectal cancer: Which is superior?

Popek, S. & Tsikitis, V., Feb 21 2011, In : World Journal of Gastroenterology. 17, 7, p. 848-854 7 p.

Research output: Contribution to journalArticle

Adjuvant Radiotherapy
Rectal Neoplasms
Neoadjuvant Therapy
Radiation
Radio
18 Citations (Scopus)

Synchronous Rectal and Hepatic Resection of Rectal Metastatic Disease

Boostrom, S. Y., Tsikitis, V., Nagorney, D. M., Wolff, B. G., Chua, H. K., Harmsen, S. & Larson, D. W., Sep 2011, In : Journal of Gastrointestinal Surgery. 15, 9, p. 1583-1588 6 p.

Research output: Contribution to journalArticle

Rectal Diseases
Disease-Free Survival
Survival
Liver
Pelvic Exenteration
2010
29 Citations (Scopus)

Advantages of fast-track recovery after laparoscopic right hemicolectomy for colon cancer

Tsikitis, V., Holubar, S. D., Dozois, E. J., Cima, R. R., Pemberton, J. H. & Larson, D. W., Aug 2010, In : Surgical Endoscopy and Other Interventional Techniques. 24, 8, p. 1911-1916 6 p.

Research output: Contribution to journalArticle

Colonic Neoplasms
Length of Stay
Colectomy
Multivariate Analysis
Body Mass Index