Ritu Nayar

Summary

Affiliation: Northwestern University
Country: USA

Publications

  1. ncbi request reprint Atypical squamous cells: update on current concepts
    Ritu Nayar
    Department of Pathology, Northwestern University, Feinberg School of Medicine, Northwestern Memorial Hospital, Chicago, IL 60611, USA
    Clin Lab Med 23:605-32. 2003
  2. doi request reprint The indeterminate thyroid fine-needle aspiration: experience from an academic center using terminology similar to that proposed in the 2007 National Cancer Institute Thyroid Fine Needle Aspiration State of the Science Conference
    Ritu Nayar
    Department of Pathology, Northwestern University, Feinberg School of Medicine, Chicago, Illinois
    Cancer 117:195-202. 2009
  3. ncbi request reprint Reproducibility of ductal lavage cytology and cellularity over a six month interval in high risk women
    Deepa B Patil
    Department of Surgery, The Robert H Lurie Comprehensive Cancer Center of Northwestern University, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
    Breast Cancer Res Treat 112:327-33. 2008
  4. pmc Radiologic-pathologic correlation of hepatocellular carcinoma treated with chemoembolization
    Ahsun Riaz
    Department of Radiology, Section of Interventional Radiology, Northwestern Memorial Hospital, Robert H Lurie Comprehensive Cancer Center, 676 N St Clair, Suite 800, Chicago, IL 60611, USA
    Cardiovasc Intervent Radiol 33:1143-52. 2010
  5. ncbi request reprint Ductal lavage findings in women with mammographic microcalcifications undergoing biopsy
    Seema A Khan
    Lynn Sage Comprehensive Breast Center, Feinberg School of Medicine of Northwestern University, 675 North St Clair Street, Galter 13 174, Chicago, Illinois, 60614, USA
    Ann Surg Oncol 12:689-96. 2005
  6. ncbi request reprint How to interpret thyroid biopsy results: a three-year retrospective interventional radiology experience
    Jason D Oppenheimer
    Department of Radiology, Northwestern Medical Faculty Foundation, 676 North St Clair Street, Suite 800, Chicago, IL 60611, USA
    Cardiovasc Intervent Radiol 33:800-5. 2010
  7. pmc Ductal lavage is an inefficient method of biomarker measurement in high-risk women
    Seema A Khan
    Department of Surgery, Feinberg School of Medicine, Northwestern University, 303 East Superior Street, Lurie 4 133, Chicago, Illinois 60611, USA
    Cancer Prev Res (Phila) 2:265-73. 2009
  8. doi request reprint Radiological-pathological analysis of WHO, RECIST, EASL, mRECIST and DWI: Imaging analysis from a prospective randomized trial of Y90 ± sorafenib
    Michael Vouche
    Department of Radiology, Section of Interventional Radiology and Division of Interventional Oncology, Northwestern University, Chicago, IL
    Hepatology 58:1655-66. 2013
  9. ncbi request reprint The diagnosis of malignant mesothelioma in effusion cytology: a reappraisal and results of a multi-institution survey
    Ajit Paintal
    Northwestern University, Feinberg School of Medicine, Chicago, Illinois
    Cancer Cytopathol 121:703-7. 2013
  10. doi request reprint Routine on-site evaluation of specimen adequacy during initial ultrasound-guided fine needle aspiration of thyroid nodules: a cost-effectiveness analysis
    Kyle Zanocco
    Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
    Ann Surg Oncol 20:2462-7. 2013

Collaborators

Detail Information

Publications46

  1. ncbi request reprint Atypical squamous cells: update on current concepts
    Ritu Nayar
    Department of Pathology, Northwestern University, Feinberg School of Medicine, Northwestern Memorial Hospital, Chicago, IL 60611, USA
    Clin Lab Med 23:605-32. 2003
    ..At the present, however, the most effective method to decrease the mortality of this disease process is to make sure that all women have access to, and receive, effective cervical cytologic screening...
  2. doi request reprint The indeterminate thyroid fine-needle aspiration: experience from an academic center using terminology similar to that proposed in the 2007 National Cancer Institute Thyroid Fine Needle Aspiration State of the Science Conference
    Ritu Nayar
    Department of Pathology, Northwestern University, Feinberg School of Medicine, Chicago, Illinois
    Cancer 117:195-202. 2009
    ..Repeat FNA in 6 months to 12 months was recommended for IND and surgery for FN and SUSP categories...
  3. ncbi request reprint Reproducibility of ductal lavage cytology and cellularity over a six month interval in high risk women
    Deepa B Patil
    Department of Surgery, The Robert H Lurie Comprehensive Cancer Center of Northwestern University, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
    Breast Cancer Res Treat 112:327-33. 2008
    ..Ductal lavage (DL) allows repeat sampling of breast epithelium for serial observation in a chemoprevention setting; however, the reproducibility of duct cannulation, cell yield and cytology has not been addressed...
  4. pmc Radiologic-pathologic correlation of hepatocellular carcinoma treated with chemoembolization
    Ahsun Riaz
    Department of Radiology, Section of Interventional Radiology, Northwestern Memorial Hospital, Robert H Lurie Comprehensive Cancer Center, 676 N St Clair, Suite 800, Chicago, IL 60611, USA
    Cardiovasc Intervent Radiol 33:1143-52. 2010
    ..The κ coefficient for agreement between WHO and EASL was 0.29. EASL and WHO criteria had minimal intermethod agreement. EASL CR and WHO response were able to predict pathologic necrosis...
  5. ncbi request reprint Ductal lavage findings in women with mammographic microcalcifications undergoing biopsy
    Seema A Khan
    Lynn Sage Comprehensive Breast Center, Feinberg School of Medicine of Northwestern University, 675 North St Clair Street, Galter 13 174, Chicago, Illinois, 60614, USA
    Ann Surg Oncol 12:689-96. 2005
    ..We designed a prospective study to assess the likelihood that early lesions presenting as mammographic calcifications could be accessed for cytological diagnosis by ductal lavage (DL)...
  6. ncbi request reprint How to interpret thyroid biopsy results: a three-year retrospective interventional radiology experience
    Jason D Oppenheimer
    Department of Radiology, Northwestern Medical Faculty Foundation, 676 North St Clair Street, Suite 800, Chicago, IL 60611, USA
    Cardiovasc Intervent Radiol 33:800-5. 2010
    ..The difference in incidence between these two groups was not statistically significant. Therefore, patients with unsatisfactory biopsy specimens can be reassured and counseled accordingly...
  7. pmc Ductal lavage is an inefficient method of biomarker measurement in high-risk women
    Seema A Khan
    Department of Surgery, Feinberg School of Medicine, Northwestern University, 303 East Superior Street, Lurie 4 133, Chicago, Illinois 60611, USA
    Cancer Prev Res (Phila) 2:265-73. 2009
    ....
  8. doi request reprint Radiological-pathological analysis of WHO, RECIST, EASL, mRECIST and DWI: Imaging analysis from a prospective randomized trial of Y90 ± sorafenib
    Michael Vouche
    Department of Radiology, Section of Interventional Radiology and Division of Interventional Oncology, Northwestern University, Chicago, IL
    Hepatology 58:1655-66. 2013
    ..Equivalent significant reduction in enhancement at 1 and 3 months by EASL/mRECIST was noted. Neither EASL nor mRECIST could reliably predict CPN...
  9. ncbi request reprint The diagnosis of malignant mesothelioma in effusion cytology: a reappraisal and results of a multi-institution survey
    Ajit Paintal
    Northwestern University, Feinberg School of Medicine, Chicago, Illinois
    Cancer Cytopathol 121:703-7. 2013
    ..In an effort to estimate the practice at other institutions, a survey was disseminated regarding cytologic diagnosis of MM. The authors also evaluated their own institution's experience with primary cytologic diagnosis of MM...
  10. doi request reprint Routine on-site evaluation of specimen adequacy during initial ultrasound-guided fine needle aspiration of thyroid nodules: a cost-effectiveness analysis
    Kyle Zanocco
    Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
    Ann Surg Oncol 20:2462-7. 2013
    ..We hypothesized that the addition of routine OSE to initial ultrasound-guided FNA of thyroid nodules is not cost-effective...
  11. pmc Role of the EASL, RECIST, and WHO response guidelines alone or in combination for hepatocellular carcinoma: radiologic-pathologic correlation
    Ahsun Riaz
    Department of Radiology, Northwestern University, Chicago IL, USA
    J Hepatol 54:695-704. 2011
    ....
  12. ncbi request reprint Pulmonary metastasis of a postradiation breast epithelioid angiosarcoma mimicking adenocarcinoma. A case report
    Marlo M Nicolas
    Department of Pathology, Feinberg School of Medicine, Northwestern Memorial Hospital, Northwestern University, Chicago, Illinois, USA
    Acta Cytol 50:672-6. 2006
    ..We report a case of metastatic postradiation EAS to the lungs that was mistaken for adenocarcinoma...
  13. doi request reprint Subcentimeter thyroid nodules: utility of sonographic characterization and ultrasound-guided needle biopsy
    Arjun Sharma
    Department of Radiology, Northwestern University, Feinberg School of Medicine, Chicago, IL 60611, USA
    AJR Am J Roentgenol 197:W1123-8. 2011
    ....
  14. ncbi request reprint Birt-Hogg-Dubé syndrome: clinicopathologic findings and genetic alterations
    Brian P Adley
    Department of Pathology, Northwestern University, Feinberg School of Medicine, Chicago, IL 60611, USA
    Arch Pathol Lab Med 130:1865-70. 2006
    ..The few reviews of BHD syndrome found in the English literature mostly focus on the skin lesions or genetics, with limited information on other pathologic changes, particularly the kidney lesions...
  15. doi request reprint Thin core needle biopsy crush preparations in conjunction with fine-needle aspiration for the evaluation of thyroid nodules: a complementary approach
    Songlin Zhang
    Department of Pathology, Northwestern University, Feinberg School of Medicine, Chicago, Illinois, USA
    Cancer 114:512-8. 2008
    ..Experience is required to interpret CP on air-dried smears. In this report, the authors describe a complementary approach to thyroid biopsy that has worked well...
  16. doi request reprint Radiologic-pathologic correlation of hepatocellular carcinoma treated with internal radiation using yttrium-90 microspheres
    Ahsun Riaz
    Department of Radiology, Section of Interventional Radiology, Northwestern Memorial Hospital, Chicago, IL, USA
    Hepatology 49:1185-93. 2009
    ..In contrast, complete pathologic necrosis was seen in only 52% and 38% of the lesions that showed partial response by EASL criteria and peripheral nodular enhancement, respectively...
  17. ncbi request reprint Endocrine biomarkers in ductal lavage samples from women at high risk for breast cancer
    Deepa Bhandare
    Lynn Sage Breast Center, 675 North St Clair, Galter 13 174, Chicago, IL 60611, USA
    Cancer Epidemiol Biomarkers Prev 14:2620-7. 2005
    ..We report here the baseline findings from a study designed to assess the utility of ductal lavage in this setting...
  18. ncbi request reprint Microcystic adenoma of the pancreas: clinical, radiologic, and cytologic features
    Aseem Lal
    Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
    Cancer 102:288-94. 2004
    ..Potential pitfalls with endoscopic ultrasound (EUS) sampling of these lesions is discussed...
  19. doi request reprint Cytomorphologic characteristics of fine needle core biopsy of multicystic peritoneal mesothelioma: a case report and review of the literature
    Anna M Collins Kemp
    Department of Pathology, Northwestern Memorial Hospital, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
    Diagn Cytopathol 38:192-7. 2010
    ....
  20. ncbi request reprint Cytologic and histologic findings in multiple renal hybrid oncocytic tumors in a patient with Birt-Hogg-Dubé syndrome: a case report
    Brian P Adley
    Department of Pathology, Northwestern University, Feinberg School of Medicine, Chicago, Illinois 60611, USA
    Acta Cytol 50:584-8. 2006
    ....
  21. ncbi request reprint Role of biliary brush cytology in primary sclerosing cholangitis
    Aseem Lal
    Department of Pathology, Feinberg School of Medicine, Northwestern University, USA
    Acta Cytol 48:9-12. 2004
    ..To assess the role of brush cytology in the routine evaluation of patients with primary sclerosing cholangitis (PSC)...
  22. ncbi request reprint Cytohistologic correlation of cirrhosis and hepatocellular carcinoma. Pitfall in diagnosis?
    Kalisha A Hill
    Department of Cytopathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
    Acta Cytol 48:127-32. 2004
    ..To compare the diagnostic criteria for cirrhosis and hepatocellular carcinoma (HCC) noted on liver fine needle aspirates (FNAs) and their corresponding liver needle core biopsies (NCBs)...
  23. ncbi request reprint Cytologic features of granulosa cell tumors in fluids and fine needle aspiration specimens
    Aseem Lal
    Department of Pathology, Northwestern University, Feinberg School of Medicine, Chicago, Illinois, USA
    Acta Cytol 48:315-20. 2004
    ..To describe the cytologic features of granulosa cell tumors in fluids and fine needle aspiration specimens, with histologic confirmation...
  24. ncbi request reprint Cost-effectiveness analysis of repeat fine-needle aspiration for thyroid biopsies read as atypia of undetermined significance
    Michael Heller
    Department of Surgery, Section of Endocrine Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
    Surgery 152:423-30. 2012
    ..Compliance with these recommendations has been suboptimal. We hypothesized that repeat FNA would be more effective than diagnostic lobectomy, with decreased costs and improved rates of cancer detection...
  25. ncbi request reprint Unusual finding in cervical smear
    Beth Anne Williamson
    Department of Pathology, Northwestern Memorial Hospital, Chicago, Ill 60611, USA
    Arch Pathol Lab Med 129:809. 2005
  26. ncbi request reprint Role of fine needle aspiration in lymphoma
    Aseem Lal
    Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
    Cancer Treat Res 121:181-220. 2004
  27. pmc Evaluation of candidate methylation markers to detect cervical neoplasia
    Narayan Shivapurkar
    Hamon Center for Therapeutic Oncology Research, Department of Pathology, UT Southwestern Medical Center, Dallas, TX 75930, USA
    Gynecol Oncol 107:549-53. 2007
    ..We used quantitative PCR assays to evaluate methylation in five candidate genes (TNFRSF10C, DAPK1, SOCS3, HS3ST2 and CDH1) previously demonstrated as methylated in cervical cancer...
  28. ncbi request reprint Parathyroid cyst: often mistaken for a thyroid cyst
    Michael B Ujiki
    Section of Endocrine Surgery, Division of GI Endocrine Surgery, Northwestern University, 251 E Huron Street, Chicago, Illinois 60611, USA
    World J Surg 31:60-4. 2007
    ..Parathyroid cysts are rare but clinically significant lesions. They can be functional, mistaken for a thyroid cyst, and/or managed nonoperatively on occasion...
  29. ncbi request reprint Synovial sarcoma of the heart: Report of a case with diagnosis by endoscopic ultrasound-guided fine needle aspiration biopsy
    Maria Luisa C Policarpio-Nicolas
    Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
    Acta Cytol 50:683-6. 2006
    ..In all the published cases the diagnosis was based on histologic sections. To our knowledge, this is the first case of primary synovial sarcoma of the heart diagnosed by fine needle aspiration (FNA)...
  30. pmc A comparison of ductoscopy-guided and conventional surgical excision in women with spontaneous nipple discharge
    Robyn M Moncrief
    Department of Surgery, Feinberg School of Medicine and Robert H Lurie Comprehensive Cancer Center of Northwestern University, Chicago, IL 60611, USA
    Ann Surg 241:575-81. 2005
    ..Ductoscopy has been reported to result in improved localization of intraductal lesions and may avoid surgery in women with endoscopically normal ducts...
  31. doi request reprint Rapid on-site evaluation of endoscopic ultrasound core biopsy specimens has excellent specificity and positive predictive value for gastrointestinal lesions
    Kumar Krishnan
    Division of Gastroenterology, Department of Internal Medicine, Feinberg School of Medicine, Northwestern University, 676 N St Claire, Chicago, IL 60611, USA
    Dig Dis Sci 58:2007-12. 2013
    ..While data suggests that EUS with fine-needle biopsy (EUS-FNB) is effective, it remains unclear if ROSE is predictive of a final diagnosis when obtaining core specimens...
  32. doi request reprint Metastatic chromophobe renal cell carcinoma in pleural fluid cytology: review of literature and report of a case
    Simone Davion
    Northwestern University, Pathology, Galter 7 132E, 251 E Huron St, Chicago, IL 60606, USA
    Diagn Cytopathol 40:826-9. 2012
    ..Sarcomatoid portions of the original CHRCC, and the pleural metastasis, demonstrated loss of diffuse membranous staining with C-KIT...
  33. ncbi request reprint Extradural spinal meningioma as a source of plasmacytoid cells. A case report
    Marlo M Nicolas
    Department of Pathology and Radiology, Feinberg School of Medicine, Northwestern University, Northwestern Memorial Hospital, Chicago, Illinois, USA
    Acta Cytol 51:68-72. 2007
    ..However, in many cases, not all these findings are seen, and in rare cases, unusual cytomorphologic features are observed...
  34. ncbi request reprint Splenic fine needle aspiration and core biopsy. A review of 49 cases
    Aseem Lal
    Department of Pathology, Northwestern University, Feinberg School of Medicine, USA
    Acta Cytol 47:951-9. 2003
    ..To analyze the authors' experience with splenic fine needle aspiration (sFNA) and splenic core biopsy (sCB) and to examine their roles in patients with splenomegaly or splenic mass lesions...
  35. ncbi request reprint Nongynecologic cytology practice patterns: a survey of participants in the college of american pathologists interlaboratory comparison program in nongynecologic cytopathology
    Ann T Moriarty
    From the Department of Esoteric Testing, AmeriPath Indiana, Indianapolis Dr Moriarty the Department of Cytopathology, Northwestern University, Feinberg School of Medicine, Chicago, Illinois Dr Nayar the Department of Pathology, McGill University and McGill University Health Center, Montreal, Quebec, Canada Dr Auger the Wisconsin State Laboratory of Hygiene, University of Wisconsin, Madison Dr Kurtycz the Departments of Surveys Ms Thomas and Biostatistics Ms Souers, College of American Pathologists, Northfield, Illinois the Department of Pathology, Baylor College of Medicine, Houston, Texas Dr Laucirica the Department of Pathology, Dartmouth Hitchcock Medical Center, Lebanon, New Hampshire Dr Padmanabhan the Department of Pathology and Genomic Medicine, Houston Methodist Hospital, Houston, Texas Dr Schwartz and the Department of Pathology, University of Louisville Hospital, Louisville, Kentucky Dr Fraig
    Arch Pathol Lab Med 138:885-9. 2014
    ..6% (722 of 1008) of the laboratories both concurrently and retrospectively. Conclusion.-The various parameters examined in the 2010 survey provide a benchmark for future efforts in quality assurance and process improvement in NGC. ..
  36. doi request reprint General quality practices in gynecologic cytopathology: findings from the College of American Pathologists Gynecologic Cytopathology Quality Consensus Conference working group 3
    Joseph Tworek
    Department of Pathology, Saint Joseph Mercy Hospital, Ann Arbor, Michigan 48106, USA
    Arch Pathol Lab Med 137:190-8. 2013
    ..Many of these monitors are based on tradition and empirical good intentions. There is no established standard as to how results of these monitors should be used in a quality assurance program...
  37. doi request reprint Diagnosis of phosphaturic mesenchymal tumor (mixed connective tissue type) by cytopathology
    Josette William
    Pathology Department, Northwestern University, Feinberg School of Medicine, Chicago, IL 60611, USA
    Diagn Cytopathol 40:E109-13. 2012
    ....
  38. ncbi request reprint Is preoperative investigation of the thyroid justified in patients undergoing parathyroidectomy for hyperparathyroidism?
    David J Bentrem
    Department of Surgery, Northwestern University, The Feinberg School of Medicine, Chicago, Illinois, USA
    Thyroid 12:1109-12. 2002
    ..The diagnosis and timely treatment of associated thyroid abnormalities is desirable because a delay in operating would result in increased morbidity associated with a second neck exploration...
  39. ncbi request reprint Ductal lavage findings in women with known breast cancer undergoing mastectomy
    Seema A Khan
    Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago IL, USA
    J Natl Cancer Inst 96:1510-7. 2004
    ..To assess the utility of ductal lavage as a cancer diagnostic test, we investigated the association between ductal lavage cytologic findings and histologic findings in women with known breast cancer undergoing mastectomy...
  40. ncbi request reprint Significance of extensive hyperkeratosis on cervical/vaginal smears
    Beth Anne Williamson
    Department of Pathology, Northwestern Memorial Hospital, 251 East Huron, Galter Pavilion 7 211, Chicago, Illinois 60611 2908, USA
    Acta Cytol 47:749-52. 2003
    ..To assess the significance of reporting hyperkeratosis on cervical/vaginal (CV) smears...
  41. ncbi request reprint Black thyroid syndrome
    Gabor Tarjan
    Northwestern Memorial Hospital, Feinberg 7 210, 251 East Huron Street, Chicago, IL 60611, USA
    Thyroid 12:343-4. 2002
  42. ncbi request reprint Pitfalls in fine needle aspiration cytology of extraadrenal paraganglioma. A report of 2 cases
    Yun Gong
    M D Anderson Cancer Center, Houston, Texas, USA
    Acta Cytol 47:1082-6. 2003
    ..However, extraadrenal paragangliomas (EAPs) are not commonly seen on FNA and, when encountered, can pose a diagnostic challenge since they have a wide variety of morphologic patterns...
  43. ncbi request reprint Review of the state of the art and recommendations of the Papanicolaou Society of Cytopathology for urinary cytology procedures and reporting : the Papanicolaou Society of Cytopathology Practice Guidelines Task Force
    Lester J Layfield
    University of Utah School of Medicine, Salt Lake City, Utah 84132, USA
    Diagn Cytopathol 30:24-30. 2004
  44. doi request reprint Parathyroid cyst: often mistaken for a thyroid cyst
    Michael Ujiki
    World J Surg 32:1234. 2008
  45. ncbi request reprint The Bethesda Interobserver Reproducibility Study (BIRST): a web-based assessment of the Bethesda 2001 System for classifying cervical cytology
    Mark E Sherman
    Hormonal and Reproductive Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland 20852 7374, USA
    Cancer 111:15-25. 2007
    ..The Bethesda System (TBS) along with its companion atlas was updated in 2001 to improve standardization, clarity, and reproducibility of cervical cytology reporting...