Omar Hameed

Summary

Affiliation: University of Alabama at Birmingham
Country: USA

Publications

  1. ncbi request reprint What is the pathologist saying? Interpretation of the prostate pathology report
    Omar Hameed
    Departments of Pathology and Surgery, and Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA
    Curr Urol Rep 10:212-8. 2009
  2. doi request reprint Pseudoneoplastic mimics of prostate and bladder carcinomas
    Omar Hameed
    Department of Pathology, University of Alabama at Birmingham, 35294 6823, USA
    Arch Pathol Lab Med 134:427-43. 2010
  3. doi request reprint Myxoid cystitis with "chordoid" lymphocytes: another mimic of invasive urothelial carcinoma
    Omar Hameed
    Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294 6823, USA
    Am J Surg Pathol 34:1061-5. 2010
  4. doi request reprint Papillary carcinoma of the breast lacks evidence of RET rearrangements despite morphological similarities to papillary thyroid carcinoma
    Omar Hameed
    Departments of Pathology and Surgery and the Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL 35294 6823, USA
    Mod Pathol 22:1236-42. 2009
  5. ncbi request reprint Hepatoid carcinoma of the pancreas: a case report and literature review of a heterogeneous group of tumors
    Omar Hameed
    Lauren V Ackerman Laboratory of Surgical Pathology and the Department of Pathology, Washington University School of Medicine, St Louis, MO, USA
    Am J Surg Pathol 31:146-52. 2007
  6. doi request reprint Incidental atypical proliferative lesions in reduction mammoplasty specimens in patients with a history of breast cancer
    Zaibo Li
    Department of Pathology, Magee Womens Hospital of the UPMC, Pittsburgh, PA 15213, USA
    Hum Pathol 45:104-9. 2014
  7. ncbi request reprint Stratified epithelium in prostatic adenocarcinoma: a mimic of high-grade prostatic intraepithelial neoplasia
    Omar Hameed
    Department of Pathology and Immunology, Washington University Medical Center, St Louis, MO 63110, USA
    Mod Pathol 19:899-906. 2006
  8. doi request reprint Histologic grading of invasive lobular carcinoma: does use of a 2-tiered nuclear grading system improve interobserver variability?
    Amy L Adams
    Department of Pathology, Emory University School of Medicine, Atlanta, GA 30322, USA
    Ann Diagn Pathol 13:223-5. 2009
  9. doi request reprint Head and neck mucosal malignant melanoma: clinicopathologic correlation with contemporary review of prognostic indicators
    Elizabeth H Kerr
    University of Alabama at Birmingham, Birmingham, AL, USA
    Int J Surg Pathol 20:37-46. 2012
  10. ncbi request reprint p63/AMACR antibody cocktail restaining of prostate needle biopsy tissues after transfer to charged slides: a viable approach in the diagnosis of small atypical foci that are lost on block sectioning
    Omar Hameed
    Department of Pathology and Immunology, Lauren V Ackerman Laboratory of Surgical Pathology, Washington University Medical Center, St Louis, MO 63110, USA
    Am J Clin Pathol 124:708-15. 2005

Collaborators

Detail Information

Publications33

  1. ncbi request reprint What is the pathologist saying? Interpretation of the prostate pathology report
    Omar Hameed
    Departments of Pathology and Surgery, and Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA
    Curr Urol Rep 10:212-8. 2009
    ....
  2. doi request reprint Pseudoneoplastic mimics of prostate and bladder carcinomas
    Omar Hameed
    Department of Pathology, University of Alabama at Birmingham, 35294 6823, USA
    Arch Pathol Lab Med 134:427-43. 2010
    ..The differential diagnoses of prostatic carcinoma and bladder epithelial neoplasms include several histologic mimics that should be known to avoid misdiagnosis...
  3. doi request reprint Myxoid cystitis with "chordoid" lymphocytes: another mimic of invasive urothelial carcinoma
    Omar Hameed
    Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294 6823, USA
    Am J Surg Pathol 34:1061-5. 2010
    ..This peculiar form of cystitis, herein termed myxoid cystitis with "chordoid" lymphocytes, has not been described earlier and should be considered among the mimics of invasive urothelial carcinoma, especially those with a myxoid stroma...
  4. doi request reprint Papillary carcinoma of the breast lacks evidence of RET rearrangements despite morphological similarities to papillary thyroid carcinoma
    Omar Hameed
    Departments of Pathology and Surgery and the Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL 35294 6823, USA
    Mod Pathol 22:1236-42. 2009
    ..Although papillary carcinomas of breast often display one or more cytoarchitectural features of papillary thyroid carcinoma, there is no evidence that RET rearrangements are involved...
  5. ncbi request reprint Hepatoid carcinoma of the pancreas: a case report and literature review of a heterogeneous group of tumors
    Omar Hameed
    Lauren V Ackerman Laboratory of Surgical Pathology and the Department of Pathology, Washington University School of Medicine, St Louis, MO, USA
    Am J Surg Pathol 31:146-52. 2007
    ..Hepatoid carcinoma of the pancreas should be included in the differential diagnosis of pancreatic tumors composed of large eosinophilic cells...
  6. doi request reprint Incidental atypical proliferative lesions in reduction mammoplasty specimens in patients with a history of breast cancer
    Zaibo Li
    Department of Pathology, Magee Womens Hospital of the UPMC, Pittsburgh, PA 15213, USA
    Hum Pathol 45:104-9. 2014
    ..8% versus 4.3%). Our data assessed the prevalence of APLs in this setting and, therefore, provide new information on decision-making for contralateral breast reduction in patients with history of breast cancer. ..
  7. ncbi request reprint Stratified epithelium in prostatic adenocarcinoma: a mimic of high-grade prostatic intraepithelial neoplasia
    Omar Hameed
    Department of Pathology and Immunology, Washington University Medical Center, St Louis, MO 63110, USA
    Mod Pathol 19:899-906. 2006
    ..These 'PIN-like' carcinomas can present in pure form. Recognition of this pattern of prostatic adenocarcinoma is necessary to correctly diagnose such cases as invasive carcinoma...
  8. doi request reprint Histologic grading of invasive lobular carcinoma: does use of a 2-tiered nuclear grading system improve interobserver variability?
    Amy L Adams
    Department of Pathology, Emory University School of Medicine, Atlanta, GA 30322, USA
    Ann Diagn Pathol 13:223-5. 2009
    ..For ILC, where use of the NHG places substantial weight on nuclear pleomorphism, a 2-tiered nuclear grading system may reduce interobserver variability yet still provide useful prognostic information...
  9. doi request reprint Head and neck mucosal malignant melanoma: clinicopathologic correlation with contemporary review of prognostic indicators
    Elizabeth H Kerr
    University of Alabama at Birmingham, Birmingham, AL, USA
    Int J Surg Pathol 20:37-46. 2012
    ..The absence of an invasive component might be associated with a better prognosis but other clinical and pathological features that predict outcome, and/or could influence therapy, remain to be determined in HNMM...
  10. ncbi request reprint p63/AMACR antibody cocktail restaining of prostate needle biopsy tissues after transfer to charged slides: a viable approach in the diagnosis of small atypical foci that are lost on block sectioning
    Omar Hameed
    Department of Pathology and Immunology, Lauren V Ackerman Laboratory of Surgical Pathology, Washington University Medical Center, St Louis, MO 63110, USA
    Am J Clin Pathol 124:708-15. 2005
    ..This approach is best used when 2 or more H&E-stained sections harbor the suspicious focus, as we always recommended preservation of at least 1 H&E-stained section...
  11. doi request reprint Effect of storage on p63 immunohistochemistry: a time-course study
    Holly N Burford
    Department of Pathology, University of Alabama School of Medicine, Birmingham, AL 35294 6823, USA
    Appl Immunohistochem Mol Morphol 17:68-71. 2009
    ..This should be considered in the evaluation of p63 immunostains performed on stored unstained sections, both in diagnostic surgical pathology and in translational research studies...
  12. pmc Breast carcinomas with isolated bone metastases have different hormone receptor expression profiles than those with metastases to other sites or multiple organs
    Shi Wei
    Division of Anatomic Pathology, Department of Pathology, University of Alabama at Birmingham, 35249, USA
    Ann Diagn Pathol 15:79-83. 2011
    ....
  13. doi request reprint Luminal cytokeratin expression profiles of breast papillomas and papillary carcinomas and the utility of a cytokeratin 5/p63/cytokeratin 8/18 antibody cocktail in their distinction
    Emily S Reisenbichler
    Department of Pathology, University of Alabama at Birmingham, 35294 6823, USA
    Mod Pathol 24:185-93. 2011
    ....
  14. ncbi request reprint Immunohistochemical staining for cyclin D1 and Ki-67 aids in the stratification of atypical ductal hyperplasia diagnosed on breast core biopsy
    Omar Hameed
    Department of Pathology, St Luke s Roosevelt Hospital Center, NY, USA
    Am J Clin Pathol 124:862-72. 2005
    ..Immunostaining for CyD1 and Ki-67 might help stratify cases of ADH on core biopsy and identify patients unlikely to have DCIS found on excision...
  15. ncbi request reprint Immunohistochemistry in diagnostic surgical pathology of the prostate
    Omar Hameed
    Lauren V Ackerman Laboratory of Surgical Pathology, Department of Pathology and Immunology, Washington University Medical Center, St Louis, Missouri 63110, USA
    Semin Diagn Pathol 22:88-104. 2005
    ....
  16. doi request reprint Immunohistochemical evaluation of prostate needle biopsies using saved interval sections vs new recut sections from the block: a prospective comparison
    Omar Hameed
    Department of Pathology, University of Alabama at Birmingham, 619 19th St S, NP 3550, Birmingham, AL 35294 6823, USA
    Am J Clin Pathol 131:683-7. 2009
    ..021). These findings support the practice of cutting and saving 2 interval levels of unstained sections of PNB specimens for potential immunohistochemical evaluation...
  17. ncbi request reprint Does using a higher cutoff for the percentage of positive cells improve the specificity of HER-2 immunohistochemical analysis in breast carcinoma?
    Omar Hameed
    Department of Pathology, University of Alabama School of Medicine, Birmingham 35294 6823, USA
    Am J Clin Pathol 128:825-9. 2007
    ..These findings seem to somehow support the recently proposed American Society of Clinical Oncology/College of American Pathologists guideline recommendations for HER-2 testing; nevertheless further studies are suggested...
  18. ncbi request reprint Using a higher cutoff for the percentage of HER2+ cells decreases interobserver variability in the interpretation of HER2 immunohistochemical analysis
    Omar Hameed
    Department of Pathology, University of Alabama School of Medicine, Birmingham, AL 35294 6823, USA
    Am J Clin Pathol 130:425-7. 2008
    ..001 for all comparisons). Using a 30% cutoff for the percentage of HER2+ cells by immunohistochemical analysis modestly decreased interobserver variability in the interpretation of HER2 immunohistochemical results...
  19. ncbi request reprint Prognostic factors in patients with metastatic breast cancer at the time of diagnosis
    Zhiyong Ren
    Department of Pathology, University of Alabama at Birmingham, Birmingham, AL, United States
    Pathol Res Pract 210:301-6. 2014
    ..Our findings suggest that it is predominantly the intrinsic nature of the tumor along with the genetic makeup of the patient that predicts the prognostic outcome in those patients with advanced disease at presentation. ..
  20. doi request reprint The impact of tumor size in breast needle biopsy material on final pathologic size and tumor stage: a detailed analysis of 222 consecutive cases
    Henry D Edwards
    Department of Pathology, Microbiology and Immunology, Vanderbilt Ingram Cancer Center, Vanderbilt University, Nashville, TN, USA
    Am J Surg Pathol 37:739-44. 2013
    ..Accordingly, it is recommended that the greatest extent of invasive carcinoma is reported in all needle biopsy specimens...
  21. doi request reprint Factors associated with residual disease after initial breast-conserving surgery for ductal carcinoma in situ
    Shi Wei
    Department of Pathology, School of Medicine, University of Alabama at Birmingham, Birmingham, AL 35249 7331, USA
    Hum Pathol 43:986-93. 2012
    ..Optimal discriminatory power for prediction of absence of residual disease was achieved with cutoffs of 18 ductal carcinoma in situ ducts at close margins and 51.3% sections with ductal carcinoma in situ...
  22. doi request reprint Beta-human chorionic gonadotropin production associated with phyllodes tumor of the breast: an unusual paraneoplastic phenomenon
    Emily S Reisenbichler
    Department of Pathology, University of Alabama School of Medicine, Birmingham, Alabama 35294 6823, USA
    Breast J 15:527-30. 2009
    ..Whether this intriguing finding represents an isolated association or has more significant implications remains to be determined...
  23. doi request reprint Is there a role for fatty acid synthase in the diagnosis of prostatic adenocarcinoma?: A comparison with AMACR
    Xiaojun Wu
    Dept of Pathology, University of Alabama at Birmingham, AL, USA
    Am J Clin Pathol 136:239-46. 2011
    ..We conclude that FASn may aid in the diagnosis of prostatic adenocarcinoma, at least to supplement AMACR as another positive marker of carcinoma and potentially increase diagnostic accuracy...
  24. doi request reprint Attenuated podoplanin staining in breast myoepithelial cells: a potential caveat in the diagnosis of lymphatic invasion
    Zhaohai Yang
    Department of Pathology, University of Alabama, Birmingham, AL 35294 6823, USA
    Appl Immunohistochem Mol Morphol 17:425-30. 2009
    ....
  25. ncbi request reprint Immunohistochemical stains for p63 and alpha-methylacyl-CoA racemase, versus a cocktail comprising both, in the diagnosis of prostatic carcinoma: a comparison of the immunohistochemical staining of 430 foci in radical prostatectomy and needle biopsy tissu
    Omar Hameed
    Lauren V Ackerman Laboratory of Surgical Pathology, Department of Pathology and Immunology, Washington University Medical Center, St Louis, MO 63110, USA
    Am J Surg Pathol 29:579-87. 2005
    ..This cocktail would be of diagnostic utility when only limited tissue is available for immunohistochemical evaluation of small, diagnostically difficult foci in prostate needle biopsy tissue...
  26. doi request reprint Evaluation of dual immunohistochemistry and chromogenic in situ hybridization for HER2 on a single section
    Emily S Reisenbichler
    Department of Pathology, University of Alabama at Birmingham, USA
    Am J Clin Pathol 137:102-10. 2012
    ....
  27. pmc Lack of correlation between microvascular density and pathological features and outcomes in sinonasal and oral mucosal melanomas
    Elizabeth H Kerr
    Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294 6823, USA
    Head Neck Pathol 5:199-204. 2011
    ..Further larger studies are needed to identify predictive and prognostic markers in such melanomas...
  28. doi request reprint Incidental atypical proliferative lesions in reduction mammoplasty specimens: analysis of 2498 cases from 2 tertiary women's health centers
    Mohamed M Desouki
    Department of Pathology, Vanderbilt University, Nashville, TN 37232 2561, USA
    Hum Pathol 44:1877-81. 2013
    ..9%. Our findings provide data on the distribution of these lesions in this setting, as well as some insight into their prevalence in the general population. A protocol for submitting tissues from these specimens is also proposed. ..
  29. doi request reprint Differential expression of immunohistochemical markers in bladder smooth muscle and myofibroblasts, and the potential utility of desmin, smoothelin, and vimentin in staging of bladder carcinoma
    Leona Council
    Division of Anatomic Pathology, Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294 6823, USA
    Mod Pathol 22:639-50. 2009
    ..Confirmatory larger-scale studies, especially on transurethral resection specimens, are warranted...
  30. doi request reprint The impact of implementation of the Bethesda System for Reporting Thyroid Cytopathology on the quality of reporting, "risk" of malignancy, surgical rate, and rate of frozen sections requested for thyroid lesions
    Amanda Crowe
    Division of Anatomic Pathology, Department of Pathology, University of Alabama at Birmingham, Birmingham, Alabama 35233, USA
    Cancer Cytopathol 119:315-21. 2011
    ..In the current study, the impact of TBSRTC on various quality and outcome measures was assessed...
  31. doi request reprint Estrogen and progesterone receptor expression is not always specific for mammary and gynecologic carcinomas: a tissue microarray and pooled literature review study
    Shi Wei
    Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294 6823, USA
    Appl Immunohistochem Mol Morphol 17:393-402. 2009
    ....
  32. doi request reprint Blue nevus of the prostate
    Virginia L Dailey
    Department of Pathology, University of Alabama at Birmingham, USA
    Arch Pathol Lab Med 135:799-802. 2011
    ..Blue nevus of the prostate is a benign lesion with no malignant potential to date, so no further treatment is warranted...
  33. doi request reprint Human epidermal growth factor receptor 2 testing in breast cancer: 30% versus 10% cutoff for immunohistochemistry
    Omar Hameed
    J Clin Oncol 26:1571. 2008