Research Topics
Genomes and GenesSpecies | Omar HameedSummaryAffiliation: University of Alabama at Birmingham Country: USA Publications
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Publications
What is the pathologist saying? Interpretation of the prostate pathology reportOmar 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....
Myxoid cystitis with "chordoid" lymphocytes: another mimic of invasive urothelial carcinomaOmar Hameed
Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294 6823, USA
Am J Surg Pathol 34:1061-5. 2010....- Hepatoid carcinoma of the pancreas: a case report and literature review of a heterogeneous group of tumorsOmar 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... - Pseudoneoplastic mimics of prostate and bladder carcinomasOmar 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... - Papillary carcinoma of the breast lacks evidence of RET rearrangements despite morphological similarities to papillary thyroid carcinomaOmar 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... - Head and neck mucosal malignant melanoma: clinicopathologic correlation with contemporary review of prognostic indicatorsElizabeth 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... - Stratified epithelium in prostatic adenocarcinoma: a mimic of high-grade prostatic intraepithelial neoplasiaOmar 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... - 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... 
Breast carcinomas with isolated bone metastases have different hormone receptor expression profiles than those with metastases to other sites or multiple organsShi Wei
Division of Anatomic Pathology, Department of Pathology, University of Alabama at Birmingham, 35249, USA
Ann Diagn Pathol 15:79-83. 2011....- Effect of storage on p63 immunohistochemistry: a time-course studyHolly 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... - 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 distinctionEmily S Reisenbichler
Department of Pathology, University of Alabama at Birmingham, 35294 6823, USA
Mod Pathol 24:185-93. 2011.... - Immunohistochemical evaluation of prostate needle biopsies using saved interval sections vs new recut sections from the block: a prospective comparisonOmar 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... - Using a higher cutoff for the percentage of HER2+ cells decreases interobserver variability in the interpretation of HER2 immunohistochemical analysisOmar 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... - 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... - Immunohistochemistry in diagnostic surgical pathology of the prostateOmar 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.... - Immunohistochemical staining for cyclin D1 and Ki-67 aids in the stratification of atypical ductal hyperplasia diagnosed on breast core biopsyOmar 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... - Factors associated with residual disease after initial breast-conserving surgery for ductal carcinoma in situShi 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... - Beta-human chorionic gonadotropin production associated with phyllodes tumor of the breast: an unusual paraneoplastic phenomenonEmily 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... - Attenuated podoplanin staining in breast myoepithelial cells: a potential caveat in the diagnosis of lymphatic invasionZhaohai Yang
Department of Pathology, University of Alabama, Birmingham, AL 35294 6823, USA
Appl Immunohistochem Mol Morphol 17:425-30. 2009.... - Is there a role for fatty acid synthase in the diagnosis of prostatic adenocarcinoma?: A comparison with AMACRXiaojun 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... - Evaluation of dual immunohistochemistry and chromogenic in situ hybridization for HER2 on a single sectionEmily S Reisenbichler
Department of Pathology, University of Alabama at Birmingham, USA
Am J Clin Pathol 137:102-10. 2012.... - Lack of correlation between microvascular density and pathological features and outcomes in sinonasal and oral mucosal melanomasElizabeth 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... - 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 lesionsAmanda 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... - Blue nevus of the prostateVirginia 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... - Estrogen and progesterone receptor expression is not always specific for mammary and gynecologic carcinomas: a tissue microarray and pooled literature review studyShi Wei
Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294 6823, USA
Appl Immunohistochem Mol Morphol 17:393-402. 2009.... - Differential expression of immunohistochemical markers in bladder smooth muscle and myofibroblasts, and the potential utility of desmin, smoothelin, and vimentin in staging of bladder carcinomaLeona 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... - 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 sectioningOmar 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... - Human epidermal growth factor receptor 2 testing in breast cancer: 30% versus 10% cutoff for immunohistochemistryOmar Hameed
J Clin Oncol 26:1571. 2008 - 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 tissuOmar 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...