Surgery, Surgical Oncology Division

Research Output 1975 2020

2008
100 Citations (Scopus)

Overexpression of 5-lipoxygenase in colon polyps and cancer and the effect of 5-LOX Inhibitors in vitro and in a murine model

Melstrom, L. G., Bentrem, D. J., Salabat, M. R., Kennedy, T. J., Ding, X. Z., Strouch, M., Rao, S. M., Witt, R. C., Ternent, C. A., Talamonti, M. S., Bell, R. H. & Adrian, T. A., Oct 15 2008, In : Clinical Cancer Research. 14, 20, p. 6525-6530 6 p.

Research output: Contribution to journalArticle

Arachidonate 5-Lipoxygenase
Lipoxygenase Inhibitors
Polyps
Colonic Neoplasms
Colonic Polyps

Posttraumatic Hemorrhagic Shock

Merkow, R. P. & Moore, E. E., 2008, Abernathy's Surgical Secrets. Elsevier, Inc., p. 95-98 4 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Hemorrhagic Shock
212 Citations (Scopus)

Prognostic score predicting survival after resection of pancreatic neuroendocrine tumors analysis of 3851 patients

Bilimoria, K. Y., Talamonti, M. S., Tomlinson, J. S., Stewart, A. K., Winchester, D. P., Ko, C. Y. & Bentrem, D. J., Mar 1 2008, In : Annals of surgery. 247, 3, p. 490-500 11 p.

Research output: Contribution to journalArticle

Neuroendocrine Tumors
Survival
Primitive Neuroectodermal Tumors
Neoplasms
Neoplasm Metastasis

Quality Improvement lor Pancreatic Cancer Surgery: Is Regionalization Necessary or Feasible?

Raval, M., Bilimoria, K. Y. & Talamonti, M. S., 2008, Surgical Oncology Clinics.

Research output: Chapter in Book/Report/Conference proceedingChapter

Reply

Bilimoria, K. Y., Winchester, D. P. & Sturgeon, C., Jun 1 2008, In : Annals of Surgery. 247, 6, p. 1083-1084 2 p.

Research output: Contribution to journalLetter

130 Citations (Scopus)

Resection of hilar cholangiocarcinoma: Concomitant liver resection decreases hepatic recurrence

Ito, F., Agni, R., Rettammel, R. J., Been, M. J., Cho, C. S., Mahvi, D. M., Rikkers, L. F. & Weber, S. M., Aug 1 2008, In : Annals of Surgery. 248, 2, p. 273-279 7 p.

Research output: Contribution to journalArticle

Klatskin Tumor
Recurrence
Liver
Disease-Free Survival
Neoplasms
86 Citations (Scopus)

Simple Standardized Patient Handoff System that Increases Accuracy and Completeness

Wayne, J. D., Tyagi, R., Reinhardt, G., Rooney, D., Makoul, G., Chopra, S. & DaRosa, D., Nov 1 2008, In : Journal of Surgical Education. 65, 6, p. 476-485 10 p.

Research output: Contribution to journalReview article

Patient Handoff
resident
Telephone
Joint Commission on Accreditation of Healthcare Organizations
Hospital Administrators
24 Citations (Scopus)

Solitary fibrous tumor of the pancreas: Case report with cytologic and surgical pathology correlation and review of the literature

Srinivasan, V. D., Wayne, J. D., Rao, M. S. & Zynger, D. L., Aug 13 2008, In : Journal of the Pancreas. 9, 4, p. 526-530 5 p.

Research output: Contribution to journalArticle

Solitary Fibrous Tumors
Surgical Pathology
Pancreas
Neoplasms
Pancreatectomy
17 Citations (Scopus)

Squamous cell carcinoma of the anal canal: Utilization and outcomes of recommended treatment in the United States

Bilimoria, K. Y., Bentrem, D. J., Ko, C. Y., Stewart, A. K., Winchester, D. P., Talamonti, M. S. & Halverson, A. L., Jul 1 2008, In : Annals of surgical oncology. 15, 7, p. 1948-1958 11 p.

Research output: Contribution to journalArticle

Anal Canal
Squamous Cell Carcinoma
Therapeutics
Guidelines
Anus Neoplasms
4 Citations (Scopus)

Surgical Work Output: Is There Room for Increase? An Analysis of Surgical Work Effort from 1999 to 2003

Breslin, T. M., Mahvi, D. M., Vanness, D. J. & Mullahy, J., May 1 2008, In : Journal of Surgical Research. 146, 1, p. 90-95 6 p.

Research output: Contribution to journalArticle

Physicians
Population
Chronic Disease
Medicine
Surgeons
76 Citations (Scopus)

The Impact of Work Hour Restrictions on Surgical Resident Education

Durkin, E. T., McDonald, R., Munoz, A. & Mahvi, D., Jan 1 2008, In : Journal of Surgical Education. 65, 1, p. 54-60 7 p.

Research output: Contribution to journalArticle

surgery
resident
Education
examination
education
1 Citation (Scopus)

The importance of worldwide cancer registration

Bilimoria, K. Y. & Winchester, D. P., May 1 2008, In : Journal of Surgical Oncology. 97, 6, p. 481-482 2 p.

Research output: Contribution to journalEditorial

Population Surveillance
Registries
Neoplasms
Global Health
908 Citations (Scopus)

The National Cancer Data Base: A powerful initiative to improve cancer care in the United States

Bilimoria, K. Y., Stewart, A. K., Winchester, D. P. & Ko, C. Y., Mar 1 2008, In : Annals of surgical oncology. 15, 3, p. 683-690 8 p.

Research output: Contribution to journalReview article

Quality of Health Care
Outcome Assessment (Health Care)
Databases
Neoplasms
37 Citations (Scopus)

The oblique rectus abdominal myocutaneous flap for complex pelvic wound reconstruction

Abbott, D. E., Halverson, A. L., Wayne, J. D., Kim, J. Y. S., Talamonti, M. S. & Dumanian, G. A., Aug 1 2008, In : Diseases of the colon and rectum. 51, 8, p. 1237-1241 5 p.

Research output: Contribution to journalReview article

Myocutaneous Flap
Wounds and Injuries
Fistula
Necrosis
Pelvic Neoplasms
26 Citations (Scopus)

Therapeutic targeting of Id2 reduces growth of human colorectal carcinoma in the murine liver

Gray, M. J., Dallas, N. A., Van Buren, G., Xia, L., Yang, A. D., Somcio, R. J., Gaur, P., Mangala, L. S., Vivas-Mejia, P. E., Fan, F., Sanguino, A. M., Gallick, G. E., Lopez-Berestein, G., Sood, A. K. & Ellis, L. M., Dec 4 2008, In : Oncogene. 27, 57, p. 7192-7200 9 p.

Research output: Contribution to journalArticle

Colorectal Neoplasms
Liver
DNA
Growth
Therapeutics
125 Citations (Scopus)

Therapeutic targeting of neuropilin-2 on colorectal carcinoma cells implanted in the murine liver

Gray, M. J., Van Buren, G., Dallas, N. A., Xia, L., Wang, X., Yang, A. D., Somcio, R. J., Lin, Y. G., Lim, S., Fan, F., Mangala, L. S., Arumugam, T., Logsdon, C. D., Lopez-Berestein, G., Sood, A. K. & Ellis, L. M., Jan 1 2008, In : Journal of the National Cancer Institute. 100, 2, p. 109-120 12 p.

Research output: Contribution to journalArticle

Neuropilin-2
Colorectal Neoplasms
Liver
Small Interfering RNA
Growth
83 Citations (Scopus)

Use and outcomes of Laparoscopic-assisted colectomy for cancer in the United States

Bilimoria, K. Y., Bentrem, D. J., Nelson, H., Stryker, S. J., Stewart, A. K., Soper, N. J., Russell, T. R. & Ko, C. Y., Sep 1 2008, In : Archives of Surgery. 143, 9, p. 832-840 9 p.

Research output: Contribution to journalArticle

Colectomy
Neoplasms
Colonic Neoplasms
Low-Volume Hospitals
Sigmoid Neoplasms
2007
86 Citations (Scopus)

Accuracy of staging node-negative pancreas cancer a potential quality measure

Tomlinson, J. S., Jain, S., Bentrem, D. J., Sekeris, E. G., Maggard, M. A., Hines, O. J., Reber, H. A. & Ko, C. Y., Aug 1 2007, In : Archives of Surgery. 142, 8, p. 767-773 7 p.

Research output: Contribution to journalArticle

Pancreaticoduodenectomy
Pancreatic Neoplasms
Adenocarcinoma
Lymph Nodes
Survival Analysis
67 Citations (Scopus)

A phase I study of immunization using particle-mediated epidermal delivery of genes for gp100 and GM-CSF into uninvolved skin of melanoma patients

Cassaday, R. D., Sondel, P. M., King, D. M., Macklin, M. D., Gan, J., Warner, T. F., Zuleger, C. L., Bridges, A. J., Schalch, H. G., Kyung, M. K., Hank, J. A., Mahvi, D. M. & Albertini, M. R., Jan 15 2007, In : Clinical Cancer Research. 13, 2 I, p. 540-549 10 p.

Research output: Contribution to journalArticle

Granulocyte-Macrophage Colony-Stimulating Factor
Melanoma
Immunization
Skin
Complementary DNA
80 Citations (Scopus)

Application of the Pancreatic Adenocarcinoma Staging System to Pancreatic Neuroendocrine Tumors

Bilimoria, K. Y., Bentrem, D. J., Merkow, R. P., Tomlinson, J. S., Stewart, A. K., Ko, C. Y. & Talamonti, M. S., Oct 1 2007, In : Journal of the American College of Surgeons. 205, 4, p. 558-563 6 p.

Research output: Contribution to journalArticle

Neuroendocrine Tumors
Adenocarcinoma
Survival
Neoplasm Staging
Survival Rate
88 Citations (Scopus)

Clinical correlation of endoscopic ultrasonography with pathologic stage and outcome in patients undergoing curative resection for gastric cancer

Bentrem, D., Gerdes, H., Tang, L., Brennan, M. & Coit, D., Jun 1 2007, In : Annals of surgical oncology. 14, 6, p. 1853-1859 7 p.

Research output: Contribution to journalArticle

Endosonography
Stomach Neoplasms
Drug Therapy
Stomach
Adenocarcinoma
96 Citations (Scopus)

Clinicopathologic features and treatment trends of pancreatic neuroendocrine tumors: Analysis of 9,821 patients

Bilimoria, K. Y., Tomlinson, J. S., Merkow, R. P., Stewart, A. K., Ko, C. Y., Talamonti, M. S. & Bentrem, D. J., Nov 1 2007, In : Journal of Gastrointestinal Surgery. 11, 11, p. 1460-1469 10 p.

Research output: Contribution to journalArticle

Primitive Neuroectodermal Tumors
Neuroendocrine Tumors
Pancreatectomy
High-Volume Hospitals
Therapeutics
44 Citations (Scopus)

Current status of liver tumor ablation devices

O'Rourke, A. P., Haemmerich, D., Prakash, P., Converse, M. C., Mahvi, D. M. & Webster, J. G., Jul 1 2007, In : Expert Review of Medical Devices. 4, 4, p. 523-537 15 p.

Research output: Contribution to journalReview article

Ablation
Liver
Tumors
Technology
Equipment Design
163 Citations (Scopus)

Dielectric properties of human normal, malignant and cirrhotic liver tissue: In vivo and ex vivo measurements from 0.5 to 20 GHz using a precision open-ended coaxial probe

O'Rourke, A. P., Lazebnik, M., Bertram, J. M., Converse, M. C., Hagness, S. C., Webster, J. G. & Mahvi, D. M., Aug 8 2007, In : Physics in Medicine and Biology. 52, 15, p. 4707-4719 13 p., 022.

Research output: Contribution to journalArticle

liver
Liver
Dielectric properties
dielectric properties
Tissue
2 Citations (Scopus)

Discussions

Bartlett, D. L., Siperstein, A. E., Strasberg, S. M., Mahvi, D. M., Mcmasters, K. M. & Helton, W. S., Oct 1 2007, In : Annals of Surgery. 246, 4, p. 565-567 3 p.

Research output: Contribution to journalComment/debate

65 Citations (Scopus)

Does graded histologic response after neoadjuvant chemotherapy predict survival for completely resected gastric cancer?

Mansour, J. C., Tang, L., Shah, M., Bentrem, D. J., Klimstra, D. S., Gonen, M., Kelsen, D. P., Brennan, M. F. & Coit, D. G., Dec 1 2007, In : Annals of Surgical Oncology. 14, 12, p. 3412-3418 7 p.

Research output: Contribution to journalArticle

Stomach Neoplasms
Drug Therapy
Survival
Blood Vessels
Multivariate Analysis
103 Citations (Scopus)
Breast
Magnetic Resonance Imaging
Breast Neoplasms
Mammography
Ultrasonography
121 Citations (Scopus)

Expanding the bioheat equation to include tissue internal water evaporation during heating

Yang, D., Converse, M. C., Mahvi, D. M. & Webster, J. G., Aug 1 2007, In : IEEE Transactions on Biomedical Engineering. 54, 8, p. 1382-1388 7 p.

Research output: Contribution to journalArticle

Specific heat
Evaporation
Tissue
Ablation
Heating
409 Citations (Scopus)

Extent of surgery affects survival for papillary thyroid cancer

Bilimoria, K. Y., Bentrem, D. J., Ko, C. Y., Stewart, A. K., Winchester, D. P., Talamonti, M. S. & Sturgeon, C., Sep 1 2007, In : Annals of surgery. 246, 3, p. 375-381 7 p.

Research output: Contribution to journalArticle

Thyroidectomy
Survival
Recurrence
Neoplasms
Survival Rate
19 Citations (Scopus)

Finite-element analysis of ex vivo and in vivo hepatic cryoablation

Kim, C., O'Rourke, A. P., Mahvi, D. M. & Webster, J. G., Jul 1 2007, In : IEEE Transactions on Biomedical Engineering. 54, 7, p. 1177-1185 9 p.

Research output: Contribution to journalArticle

Finite element method
Liver
Blood
Tumors
Tissue
139 Citations (Scopus)

Frozen section analysis for intraoperative margin assessment during breast-conserving surgery results in low rates of re-excision and local recurrence

Olson, T. P., Harter, J., Muñoz, A., Mahvi, D. M. & Breslin, T. M., Oct 1 2007, In : Annals of surgical oncology. 14, 10, p. 2953-2960 8 p.

Research output: Contribution to journalArticle

Segmental Mastectomy
Frozen Sections
Recurrence
Carcinoma, Intraductal, Noninfiltrating
Breast
37 Citations (Scopus)

Hepatic resection but not radiofrequency ablation results in tumor growth and increased growth factor expression

Meredith, K., Haemmerich, D., Qi, C. & Mahvi, D., May 1 2007, In : Annals of surgery. 245, 5, p. 771-776 6 p.

Research output: Contribution to journalArticle

Intercellular Signaling Peptides and Proteins
Liver
Growth
Neoplasms
Hepatocyte Growth Factor
14 Citations (Scopus)

Impact of adjuvant radiation on survival: A note of caution when using cancer registry data to evaluate adjuvant treatments

Bilimoria, K. Y., Stewart, A. K., Tomlinson, J. S., Gay, E. G., Ko, C. Y., Talamonti, M. S. & Bentrem, D. J., Dec 1 2007, In : Annals of surgical oncology. 14, 12, p. 3321-3327 7 p.

Research output: Contribution to journalArticle

Registries
Radiation
Drug Therapy
Survival
Neoplasms
68 Citations (Scopus)

Intratumoral injection of IL-12 plasmid DNA - Results of a phase I/IB clinical trial

Mahvi, D. M., Henry, M. B., Albertini, M. R., Weber, S., Meredith, K., Schalch, H., Rakhmilevich, A., Hank, J. & Sondel, P., Aug 18 2007, In : Cancer Gene Therapy. 14, 8, p. 717-723 7 p.

Research output: Contribution to journalArticle

Clinical Trials, Phase I
Interleukin-12
Plasmids
Injections
DNA
14 Citations (Scopus)

Lobular Neoplasia Diagnosed at Core Biopsy Does Not Mandate Surgical Excision

Bowman, K., Munoz, A., Mahvi, D. M. & Breslin, T. M., Oct 1 2007, In : Journal of Surgical Research. 142, 2, p. 275-280 6 p.

Research output: Contribution to journalArticle

Large-Core Needle Biopsy
Biopsy
Neoplasms
Observation
Selection Bias
1 Citation (Scopus)

Man with a right thigh mass

Taiwo, B. O., Grant, T., Wayne, J. & Noskin, G., Feb 1 2007, In : Clinical Infectious Diseases. 44, 3, p. 417+462-463

Research output: Contribution to journalArticle

Pulmonary Echinococcosis
Hepatic Echinococcosis
Echinococcus granulosus
Calcinosis
Echinococcosis
186 Citations (Scopus)

Mast cells are an essential hematopoietic component for polyp development

Gounaris, E., Erdman, S. E., Restaino, C., Gurish, M. F., Friend, D. S., Gounari, F., Lee, D. M., Zhang, G., Glickman, J. N., Shin, K., Rao, V. P., Poutahidis, T., Weissleder, R., McNagny, K. M. & Khazaie, K., Dec 11 2007, In : Proceedings of the National Academy of Sciences of the United States of America. 104, 50, p. 19977-19982 6 p.

Research output: Contribution to journalArticle

Polyps
Mast Cells
APC Genes
Adenomatous Polyps
Catenins
109 Citations (Scopus)

Measurement and analysis of tissue temperature during microwave liver ablation

Yang, D., Converse, M. C., Mahvi, D. M. & Webster, J. G., Jan 1 2007, In : IEEE Transactions on Biomedical Engineering. 54, 1, p. 150-155 6 p., 20.

Research output: Contribution to journalArticle

Ablation
Liver
Microwaves
Tissue
Temperature

Metastatic breast cancer and lung cancer within the same lymph node

Bilimoria, K., Sturgis, C. & Liptay, M., Apr 1 2007, In : International Journal of Surgical Pathology. 15, 2, 1 p.

Research output: Contribution to journalArticle

Multiple Primary Neoplasms
Lymphatic Metastasis
Lung Neoplasms
Adenocarcinoma
Lymph Nodes
50 Citations (Scopus)

Motivation to Pursue Surgical Subspecialty Training: Is There a Gender Difference?

McCord, J. H., McDonald, R., Leverson, G., Mahvi, D. M., Rikkers, L. F., Chen, H. C. & Weber, S. M., Nov 1 2007, In : Journal of the American College of Surgeons. 205, 5, p. 698-703 6 p.

Research output: Contribution to journalArticle

Motivation
Life Style
Internship and Residency
Surgical Specialties
Career Choice
138 Citations (Scopus)

Multimodality therapy for pancreatic cancer in the U.S. Utilization, outcomes, and the effect of hospital volume

Bilimoria, K. Y., Bentrem, D. J., Ko, C. Y., Tomlinson, J. S., Stewart, A. K., Winchester, D. P. & Talamonti, M. S., Sep 15 2007, In : Cancer. 110, 6, p. 1227-1234 8 p.

Research output: Contribution to journalArticle

Pancreatic Neoplasms
Therapeutics
Pancreatectomy
Survival
Confidence Intervals
325 Citations (Scopus)

National failure to operate on early stage pancreatic cancer

Bilimoria, K. Y., Bentrem, D. J., Ko, C. Y., Stewart, A. K., Winchester, D. P. & Talamonti, M. S., Aug 1 2007, In : Annals of surgery. 246, 2, p. 173-180 8 p.

Research output: Contribution to journalArticle

Pancreatic Neoplasms
Pancreatectomy
Neoplasms
Survival
National Cancer Institute (U.S.)
446 Citations (Scopus)

NCCN task force report: Management of patients with Gastrointestinal Stromal Tumor (GIST) - Update of the NCCN clinical practice guidelines

Demetri, G. D., Benjamin, R. S., Blanke, C. D., Blay, J. Y., Casali, P., Choi, H., Corless, C. L., Debiec-Rychter, M., DeMatteo, R. P., Ettinger, D. S., Fisher, G. A., Fletcher, C. D. M., Gronchi, A., Hohenberger, P., Hughes, M., Joensuu, H., Judson, I., Le Cesne, A., Maki, R. G., Morse, M. & 9 others, Pappo, A. S., Pisters, P. W. T., Raut, C. P., Reichardt, P., Tyler, D. S., Van Den Abbeele, A. D., Von Mehren, M., Wayne, J. D. & Zalcberg, J., Jul 20 2007, In : JNCCN Journal of the National Comprehensive Cancer Network. 5, SUPPL. 2, p. S-1-S-29

Research output: Contribution to journalReview article

Gastrointestinal Stromal Tumors
Advisory Committees
Practice Guidelines
Sarcoma
Guidelines
37 Citations (Scopus)

Outcome of patients with known metastatic gastric cancer undergoing resection with therapeutic intent

Gold, J. S., Jaques, D. P., Bentrem, D. J., Shah, M. A., Tang, L. H., Brennan, M. F. & Coit, D. G., Feb 1 2007, In : Annals of surgical oncology. 14, 2, p. 365-372 8 p.

Research output: Contribution to journalArticle

Stomach Neoplasms
Neoplasm Metastasis
Drug Therapy
Therapeutics
Cell Biology
30 Citations (Scopus)

Outcomes after pancreatectomy for intraductal papillary mucinous neoplasms of the pancreas: An institutional experience

Yang, A. D., Melstrom, L. G., Bentrem, D. J., Ujiki, M. B., Wayne, J. D., Strouch, M., Bell, R. H., Musunuri, S. R. & Talamonti, M. S., Oct 1 2007, In : Surgery. 142, 4, p. 529-537 9 p.

Research output: Contribution to journalArticle

Pancreatectomy
Pancreatic Neoplasms
Neoplasms
Bilirubin
Pancreaticoduodenectomy
50 Citations (Scopus)

Peripheral excision margins for dermatofibrosarcoma protuberans: A meta-analysis of spatial data

Kimmel, Z., Ratner, D., Kim, J. Y. S., Wayne, J. D., Rademaker, A. W. & Alam, M., Jul 1 2007, In : Annals of surgical oncology. 14, 7, p. 2113-2120 8 p.

Research output: Contribution to journalArticle

Dermatofibrosarcoma
Meta-Analysis
Neoplasms
Margins of Excision
MEDLINE
17 Citations (Scopus)

Quality of pancreatic cancer care at Veterans Administration compared with non-Veterans Administration hospitals

Bilimoria, K. Y., Bentrem, D. J., Tomlinson, J. S., Merkow, R. P., Stewart, A. K., Ko, C. Y., Prystowsky, J. B. & Talamonti, M. S., Nov 1 2007, In : American journal of surgery. 194, 5, p. 588-593 6 p.

Research output: Contribution to journalArticle

Hospital Administration
United States Department of Veterans Affairs
Pancreatic Neoplasms
Veterans Hospitals
Community Hospital
1 Citation (Scopus)

Reoperative Parathyroid Surgery

Sturgeon, C., Caron, N. & Duh, Q-Y., 2007, Surgery of the Thyroid and Parathyroid Glands. Oertli, D. & Udelsman, R. (eds.). New York: Springer-Verlag, p. 327-337

Research output: Chapter in Book/Report/Conference proceedingChapter

57 Citations (Scopus)

Resveratrol Inhibits Pancreatic Cancer Cell Proliferation Through Transcriptional Induction of Macrophage Inhibitory Cytokine-1

Golkar, L., Ding, X. Z., Ujiki, M. B., Salabat, M. R., Kelly, D. L., Scholtens, D., Fought, A. J., Bentrem, D. J., Talamonti, M. S., Bell, R. H. & Adrian, T. E., Apr 1 2007, In : Journal of Surgical Research. 138, 2, p. 163-169 7 p.

Research output: Contribution to journalArticle

Growth Differentiation Factor 15
Pancreatic Neoplasms
Cell Proliferation
Up-Regulation
Gene Expression
28 Citations (Scopus)

Soft tissue sarcoma: Clinical practice guidelines in oncology™

Demetri, G. D., Baker, L. H., Benjamin, R. S., Casper, E. S., Conrad, E. U., D'Amato, G. Z., DeLaney, T. F., Ettinger, D. S., Heck, R., Heslin, M. J., Hutchinson, R. J., Jacobs, C. D., Kiel, K., Kraybill, W. G., Letson, G. D., O'Donnell, R. J., Paz, I. B., Pfeifer, J., Pollock, R. E., Randall, R. L. & 5 others, Sasson, A. R., Schupak, K. D., Tyler, D. S., Von Mehren, M. & Wayne, J., Apr 1 2007, In : JNCCN Journal of the National Comprehensive Cancer Network. 5, 4, p. 364-399 36 p.

Research output: Contribution to journalArticle

Epirubicin
Practice Guidelines
Sarcoma
Mesna
Aggressive Fibromatosis