KarenFritchieMD

PubMed

• Solitary Fibrous Tumor of Breast and Axilla: Clinicopathological Profile of Five Tumors With Comparison of Risk Stratification Models.
  Raza S Hoda, Lauren A Duckworth, Hannah L Gilmore, Xiaoyan Cui, Andrew P Sciallis, John S Van Arnam, Gloria Zhang, J Jordi Rowe, Huijun Xiao, Elizabeth M Azzato, John ...> ;International Journal of Surgical Pathology. 2023 Oct 30
• 1 citations
  Myxofibrosarcoma in adolescents and young adults: a clinicopathologic study of 17 cases.
  Karen R Arispe Angulo, Suzanna Logan, Armita Bahrami, Ivy John, Steven D Billings, Shruti Agrawal, James Bena, Nathan Mesko, Andrew L Folpe, Karen J Fritchie> ;Human Pathology. 2023 Dec 1
• 2 citations
  Novel NCOA2/3-rearranged low-grade fibroblastic spindle cell tumors: A report of five cases.
  Ahmed Bakhshwin, Susan M Armstrong, Lauren A Duckworth, Robert Stoehr, Eiichi Konishi, Brian P Rubin, Karen J Fritchie, Brendan C Dickson, Abbas Agaimy, Josephine K De...> ;Genes, Chromosomes & Cancer. 2024 Jan 1
• Novel EWSR1::GFI1B gene fusion in angiofibroma of soft tissue.
  Albert J H Suurmeijer, Arjen H G Cleven, Cristina R Antonescu, Lauren A Duckworth, Karen J Fritchie, Steven D Billings, Josephine K Dermawan> ;Histopathology. 2023 Dec 1
• 1 citations
  Infantile Sinonasal Myxoma Is Clinically and Genetically Distinct From Other Myxomas of the Craniofacial Bones and From Desmoid Fibromatosis.
  Igor Odintsov, Fei Dong, Jeffrey P Guenette, Karen J Fritchie, Vickie Y Jo, Christopher D M Fletcher, David J Papke Jr> ;The American Journal of Surgical Pathology. 2023 Nov 1
• 1 citations
  Solitary fibrous tumor of head and neck region; A clinicopathological study of 67 cases emphasizing the diversity of histological features and utility of various risk ...
  Muhammad Usman Tariq, Tamana Asghari, Susan M Armstrong, Arsalan Ahmed, Karen Fritchie, Nasir Ud Din> ;Pathology, Research and Practice. 2023 Sep 1
• 2 citations
  DNA Methylation Profiling Distinguishes Adamantinoma-Like Ewing Sarcoma From Conventional Ewing Sarcoma.
  Karen J Fritchie, Baptiste Ameline, Vanghelita Andrei, Christopher Griffith, Akeesha A Shah, Josephine K Dermawan, Matteo Trucco, Thomas Budd, Judith J Thangaiah, Jere...> ;Modern Pathology. 2023 Nov 1
• 1 citations
  Amplification Status in a Cohort of Well-Characterized Myxofibrosarcoma: A Clinicopathologic Analysis of 22 Tumors.
  Nooshin K Dashti, Judith Jebastin Thangaiah, Troy Gliem, Darlene Knutson, Sara Kloft-Nelson, Susan M Armstrong, Ahmed Bakhshwin, Patricia Greipp, Karen J Fritchie> ;International Journal of Surgical Pathology. 2024 May 1
• 2 citations
  Keratin-positive giant cell-rich tumors of soft tissue with HMGA2::NCOR2 fusions.
  Maximillian A Weigelt, Elizabeth M Azzato, Gabriel K Habermehl, Steven D Billings, Jennifer S Ko, Karen J Fritchie> ;Journal of Cutaneous Pathology. 2023 Nov 1
• 2 citations
  Novel NONO::TFE3 fusion and ALK co-expression identified in a subset of cutaneous microcystic/reticular schwannoma.
  Karen J Fritchie, Josephine K Dermawan, Caroline Astbury, Anurag Sharma, Ahmed Bakhshwin, Lanisha Fuller, Shruti Agrawal, Carilyn N Wieland, Patricia T Greipp, Elizabe...> ;Virchows Archiv. 2023 Aug 1
• A Rare Case of Constrictive Pericarditis: Inflammatory Myofibroblastic Tumor.
  Muhammad Majid, Joshua Parker, Zachary Yaker, Bahaa Abdelghaffar, Ankit Agrawal, Ashwin Kumar, Karen Fritchie, Allan L Klein, Alveena B Syed, Vineet Tornekar> ;JACC. Case Reports. 2023 Jul 19
• 3 citations
  Keratin-Positive Giant Cell-Rich Tumor of Bone Harboring anFusion: Two Cases, Including a Patient With Metastatic Disease, and Review of the Literature.
  Ashley Patton, Hakan Ilaslan, Susan M Armstrong, Ahmed Bakhshwin, Yu-Wei Cheng, Farooq Minhas, Karen J Fritchie> ;International Journal of Surgical Pathology. 2024 May 1
• Osteoid osteomas of the hands and feet: a series of 71 cases.
  Fatimah Alruwaii, Jeremiah F Molligan, Hakan Ilaslan, Ivy John, Armando S Herradura, Ahmad Alkashash, Shaoxiong Chen, Lukas Nystrom, Scott E Kilpatrick, John D Reith, ...> ;Virchows Archiv. 2023 Jul 1
• 1 citations
  Myoepithelioma, myoepithelioma-like, and chondroid soft-tissue tumors arising at acral sites: a review.
  Ashley Patton, Steven D Billings, Karen J Fritchie> ;Human Pathology. 2023 Oct 1
• Allowing Surgical Pathology Fellows to Release Preliminary Reports Increases Learner Independence and Satisfaction.
  Jennifer M Boland, Malvika H Solanki, Karen J Fritchie, Teresa E Russell, Benjamin P Moen, Rondell P Graham, Joseph J Maleszewski, Loren P Herrera Hernandez> ;Archives of Pathology & Laboratory Medicine. 2023 Nov 1
• Extranodal Follicular Dendritic Cell Sarcoma of the Head and Neck Region: A Clinicopathological Study of 7 Cases.
  Nasir Ud Din, Zubair Ahmad, Shabina Rahim, Karen Fritchie, Muhammad Usman Tariq, Arsalan Ahmed> ;International Journal of Surgical Pathology. 2023 Sep 1
• 1 citations
  The capillary lobule variant of radiation-associated angiosarcoma in the setting of breast cancer: A diagnostic pitfall.
  Shruti Agrawal, Karen J Fritchie, Anthony P Fernandez, Jennifer S Ko, Wilma Bergfeld, Brian P Rubin, Steven D Billings> ;Journal of Cutaneous Pathology. 2023 Feb 1
• 2 citations
  Paratesticular Dedifferentiated Liposarcoma with Epithelioid Features: A Diagnostic Pitfall.
  Ashley Patton, Jesse K McKenney, Fatimah I Alruwaii, Karen Arispe Angulo, Lanisha D Fuller, Emilia Calvaresi, Steven D Billings, John R Goldblum, Karen J Fritchie> ;International Journal of Surgical Pathology. 2023 Aug 1
• 2 citations
  Plexiform fibrohistiocytic tumor: a clinicopathological and immunohistochemical study of 39 tumors, with evidence for a CSF1-producing "null cell" population.
  Judith Jebastin Thangaiah, Nooshin K Dashti, Abbas Agaimy, Karen Fritchie, Andrew L Folpe> ;Virchows Archiv. 2022 Nov 1
• Myoepithelioma-like hyalinising epithelioid tumour of the foot: biopsy diagnosis, with molecular confirmation.
  Azfar Neyaz, Reeba A Omman, Abigail I Wald, Armando Herradura, Karen J Fritchie, Ivy John> ;Histopathology. 2022 Dec 1
• 2 citations
  Pleomorphic Liposarcoma: A Series of 120 Cases With Emphasis on Morphologic Variants.
  Sandra Gjorgova Gjeorgjievski, Khin Thway, Josephine K Dermawan, Ivy John, Cyril Fisher, Brian P Rubin, Sarah Jenkins, Judith J Thangaiah, Andrew L Folpe, Karen J Frit...> ;The American Journal of Surgical Pathology. 2022 Dec 1
• 2 citations
  Gene fusions in gastrointestinal tract cancers.
  Hamed Rahi, Maria C Olave, Karen J Fritchie, Patricia T Greipp, Kevin C Halling, Benjamin R Kipp, Rondell P Graham> ;Genes, Chromosomes & Cancer. 2022 May 1
• 3 citations
  Head and Neck Low-Grade Fibromyxoid Sarcoma: A Clinicopathologic Study of 15 Cases
  Sandra Gjorgova Gjeorgjievski, Karen Fritchie, Judith Jebastin Thangaiah, Andrew L. Folpe, Nasir Ud Din> ;Head and Neck Pathology. 2021 Sep 24
• 28 citations
  YAP1-TFE3-fused hemangioendothelioma: a multi-institutional clinicopathologic study of 24 genetically-confirmed cases.
  Josephine K Dermawan, Elizabeth M Azzato, Steven D. Billings, Karen Fritchie, Sébastien Aubert, Armita Bahrami, Marta Barisella, Daniel Baumhoer, Veronika Blum, Beata ...> ;Modern Pathology. 2021 Aug 11
• 11 citations
  PRRX1-NCOA1-rearranged fibroblastic tumour: a clinicopathological, immunohistochemical and molecular genetic study of six cases of a potentially under-recognised, dist...
  Josephine K Dermawan, Elizabeth M Azzato, Judith Jebastin Thangaiah, Sandra Gjorgova-Gjeorgievski, Brian P. Rubin, Andrew L. Folpe, Abbas Agaimy, Karen Fritchie> ;Histopathology. 2021 Jul 17
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Journal Articles

• Histiocyte-Rich Rhabdomyoblastic Tumor: Rhabdomyosarcoma, Rhabdomyoma, or Rhabdomyoblastic Tumor of Uncertain Malignant Potential? A Histologically Distinctive Rhabdom...  
  Sharon W Weiss, Andrew L Folpe, Karen J Fritchie, Armita Bahrami, Nature
• Malignant Tenosynovial Giant Cell Tumor: The True “Synovial Sarcoma?” A Clinicopathologic, Immunohistochemical, and Molecular Cytogenetic Study of 10 Cases, Supporting...  
  William Albert Ahrens, Bonnie Balzer, Karen Fritchie, Andrew L Folpe, Nature
• Genetic and Molecular Reappraisal of Spindle Cell Adamantinoma of Bone Reveals a Small Subset of Misclassified Intraosseous Synovial Sarcoma  
  Jessica L Davis, Erin R Rudzinski, Andrew Horvai, Karen Fritchie, Brian P Rubin, Nature

Lectures

• The Expanded Histologic Spectrum of Myxoid Liposarcoma with an Emphasis on Newly Described Patterns: Implications for Diagnosis on Small Biopsy Specimens 
  Mayo School of Continuous Professional Development, Naples, Florida - 3/25/2012