Harvard Catalyst Profiles

Contact, publication, and social network information about Harvard faculty and fellows.

Christopher D.M. Fletcher, M.D., M.B.,B.S.

Co-Author

This page shows the publications co-authored by Christopher Fletcher and Jason Hornick.
Connection Strength

13.118
  1. Pseudomyogenic hemangioendothelioma: a distinctive, often multicentric tumor with indolent behavior. Am J Surg Pathol. 2011 Feb; 35(2):190-201.
    View in: PubMed
    Score: 0.473
  2. Hybrid schwannoma/perineurioma: clinicopathologic analysis of 42 distinctive benign nerve sheath tumors. Am J Surg Pathol. 2009 Oct; 33(10):1554-61.
    View in: PubMed
    Score: 0.431
  3. Loss of INI1 expression is characteristic of both conventional and proximal-type epithelioid sarcoma. Am J Surg Pathol. 2009 Apr; 33(4):542-50.
    View in: PubMed
    Score: 0.416
  4. Sclerosing PEComa: clinicopathologic analysis of a distinctive variant with a predilection for the retroperitoneum. Am J Surg Pathol. 2008 Apr; 32(4):493-501.
    View in: PubMed
    Score: 0.388
  5. The role of KIT in the management of patients with gastrointestinal stromal tumors. Hum Pathol. 2007 May; 38(5):679-87.
    View in: PubMed
    Score: 0.364
  6. Cellular neurothekeoma: detailed characterization in a series of 133 cases. Am J Surg Pathol. 2007 Mar; 31(3):329-40.
    View in: PubMed
    Score: 0.360
  7. Intraarticular nodular fasciitis--a rare lesion: clinicopathologic analysis of a series. Am J Surg Pathol. 2006 Feb; 30(2):237-41.
    View in: PubMed
    Score: 0.334
  8. PEComa: what do we know so far? Histopathology. 2006 Jan; 48(1):75-82.
    View in: PubMed
    Score: 0.332
  9. Soft tissue perineurioma: clinicopathologic analysis of 81 cases including those with atypical histologic features. Am J Surg Pathol. 2005 Jul; 29(7):845-58.
    View in: PubMed
    Score: 0.321
  10. Intestinal perineuriomas: clinicopathologic definition of a new anatomic subset in a series of 10 cases. Am J Surg Pathol. 2005 Jul; 29(7):859-65.
    View in: PubMed
    Score: 0.321
  11. Intraabdominal cystic lymphangiomas obscured by marked superimposed reactive changes: clinicopathological analysis of a series. Hum Pathol. 2005 Apr; 36(4):426-32.
    View in: PubMed
    Score: 0.315
  12. Pleomorphic liposarcoma: clinicopathologic analysis of 57 cases. Am J Surg Pathol. 2004 Oct; 28(10):1257-67.
    View in: PubMed
    Score: 0.305
  13. Extranodal histiocytic sarcoma: clinicopathologic analysis of 14 cases of a rare epithelioid malignancy. Am J Surg Pathol. 2004 Sep; 28(9):1133-44.
    View in: PubMed
    Score: 0.303
  14. The significance of KIT (CD117) in gastrointestinal stromal tumors. Int J Surg Pathol. 2004 Apr; 12(2):93-7.
    View in: PubMed
    Score: 0.294
  15. Cutaneous myoepithelioma: a clinicopathologic and immunohistochemical study of 14 cases. Hum Pathol. 2004 Jan; 35(1):14-24.
    View in: PubMed
    Score: 0.289
  16. Myoepithelial tumors of soft tissue: a clinicopathologic and immunohistochemical study of 101 cases with evaluation of prognostic parameters. Am J Surg Pathol. 2003 Sep; 27(9):1183-96.
    View in: PubMed
    Score: 0.283
  17. Validating immunohistochemical staining for KIT (CD117). Am J Clin Pathol. 2003 Mar; 119(3):325-7.
    View in: PubMed
    Score: 0.273
  18. Criteria for malignancy in nonvisceral smooth muscle tumors. Ann Diagn Pathol. 2003 Feb; 7(1):60-6.
    View in: PubMed
    Score: 0.271
  19. Immunohistochemical staining for KIT (CD117) in soft tissue sarcomas is very limited in distribution. Am J Clin Pathol. 2002 Feb; 117(2):188-93.
    View in: PubMed
    Score: 0.253
  20. Loss of expression of YAP1 C-terminus as an ancillary marker for epithelioid hemangioendothelioma variant with YAP1-TFE3 fusion and other YAP1-related vascular neoplasms. Mod Pathol. 2021 Nov; 34(11):2036-2042.
    View in: PubMed
    Score: 0.243
  21. Distantly Metastatic Retinoblastoma to Soft Tissue and Bone: A Challenging Diagnosis Highlighting the Utility of CRX. Am J Surg Pathol. 2021 06 01; 45(6):820-824.
    View in: PubMed
    Score: 0.242
  22. Micronodular PEComas of the appendix. Histopathology. 2021 Jun; 78(7):1047-1050.
    View in: PubMed
    Score: 0.239
  23. Nuclear expression of DDIT3 distinguishes high-grade myxoid liposarcoma from other round cell sarcomas. Mod Pathol. 2021 07; 34(7):1367-1372.
    View in: PubMed
    Score: 0.238
  24. Hybrid schwannoma-perineurioma frequently harbors VGLL3 rearrangement. Mod Pathol. 2021 06; 34(6):1116-1124.
    View in: PubMed
    Score: 0.238
  25. NKX3.1 immunoreactivity is not identified in mesenchymal chondrosarcoma: a 25-case cohort study. Histopathology. 2021 Jan; 78(2):334-337.
    View in: PubMed
    Score: 0.232
  26. A Novel SS18-SSX Fusion-specific Antibody for the Diagnosis of Synovial Sarcoma. Am J Surg Pathol. 2020 07; 44(7):922-933.
    View in: PubMed
    Score: 0.227
  27. Clinicopathologic characterization of malignant chondroblastoma: a neoplasm with locally aggressive behavior and metastatic potential that closely mimics chondroblastoma-like osteosarcoma. Mod Pathol. 2020 11; 33(11):2295-2306.
    View in: PubMed
    Score: 0.227
  28. Identification of diverse activating mutations of the RAS-MAPK pathway in histiocytic sarcoma. Mod Pathol. 2019 06; 32(6):830-843.
    View in: PubMed
    Score: 0.205
  29. Expression of PAX3 Distinguishes Biphenotypic Sinonasal Sarcoma From Histologic Mimics. Am J Surg Pathol. 2018 10; 42(10):1275-1285.
    View in: PubMed
    Score: 0.201
  30. Evaluation of pan-TRK immunohistochemistry in infantile fibrosarcoma, lipofibromatosis-like neural tumour and histological mimics. Histopathology. 2018 Oct; 73(4):634-644.
    View in: PubMed
    Score: 0.198
  31. Epithelioid fibrous histiocytoma: molecular characterization of ALK fusion partners in 23 cases. Mod Pathol. 2018 05; 31(5):753-762.
    View in: PubMed
    Score: 0.191
  32. FOSB is a Useful Diagnostic Marker for Pseudomyogenic Hemangioendothelioma. Am J Surg Pathol. 2017 May; 41(5):596-606.
    View in: PubMed
    Score: 0.182
  33. Claudin-4 expression distinguishes SWI/SNF complex-deficient undifferentiated carcinomas from sarcomas. Mod Pathol. 2017 04; 30(4):539-548.
    View in: PubMed
    Score: 0.178
  34. Evaluation of ETV4 and WT1 expression in CIC-rearranged sarcomas and histologic mimics. Mod Pathol. 2016 11; 29(11):1324-1334.
    View in: PubMed
    Score: 0.173
  35. Evaluation of NKX2-2 expression in round cell sarcomas and other tumors with EWSR1 rearrangement: imperfect specificity for Ewing sarcoma. Mod Pathol. 2016 Apr; 29(4):370-80.
    View in: PubMed
    Score: 0.167
  36. Nuclear Expression of CAMTA1 Distinguishes Epithelioid Hemangioendothelioma From Histologic Mimics. Am J Surg Pathol. 2016 Jan; 40(1):94-102.
    View in: PubMed
    Score: 0.166
  37. Loss of H3K27 trimethylation distinguishes malignant peripheral nerve sheath tumors from histologic mimics. Mod Pathol. 2016 Jan; 29(1):4-13.
    View in: PubMed
    Score: 0.165
  38. Targeted genomic sequencing of follicular dendritic cell sarcoma reveals recurrent alterations in NF-?B regulatory genes. Mod Pathol. 2016 Jan; 29(1):67-74.
    View in: PubMed
    Score: 0.165
  39. ALK rearrangement and overexpression in epithelioid fibrous histiocytoma. Mod Pathol. 2015 Jul; 28(7):904-12.
    View in: PubMed
    Score: 0.158
  40. GRIA2 is a novel diagnostic marker for solitary fibrous tumour identified through gene expression profiling. Histopathology. 2014 Jul; 65(1):71-80.
    View in: PubMed
    Score: 0.147
  41. PEComa of the gastrointestinal tract: clinicopathologic study of 35 cases with evaluation of prognostic parameters. Am J Surg Pathol. 2013 Dec; 37(12):1769-82.
    View in: PubMed
    Score: 0.144
  42. Nuclear expression of STAT6 distinguishes solitary fibrous tumor from histologic mimics. Mod Pathol. 2014 Mar; 27(3):390-5.
    View in: PubMed
    Score: 0.142
  43. Cutaneous syncytial myoepithelioma: clinicopathologic characterization in a series of 38 cases. Am J Surg Pathol. 2013 May; 37(5):710-8.
    View in: PubMed
    Score: 0.138
  44. Dedifferentiation in gastrointestinal stromal tumor to an anaplastic KIT-negative phenotype: a diagnostic pitfall: morphologic and molecular characterization of 8 cases occurring either de novo or after imatinib therapy. Am J Surg Pathol. 2013 Mar; 37(3):385-92.
    View in: PubMed
    Score: 0.136
  45. MUC4 is a sensitive and extremely useful marker for sclerosing epithelioid fibrosarcoma: association with FUS gene rearrangement. Am J Surg Pathol. 2012 Oct; 36(10):1444-51.
    View in: PubMed
    Score: 0.133
  46. Well-differentiated and dedifferentiated liposarcomas with prominent myxoid stroma: analysis of 56 cases. Histopathology. 2013 Jan; 62(2):287-93.
    View in: PubMed
    Score: 0.133
  47. Loss of retinoblastoma protein expression in spindle cell/pleomorphic lipomas and cytogenetically related tumors: an immunohistochemical study with diagnostic implications. Am J Surg Pathol. 2012 Aug; 36(8):1119-28.
    View in: PubMed
    Score: 0.131
  48. MUC4 is a highly sensitive and specific marker for low-grade fibromyxoid sarcoma. Am J Surg Pathol. 2011 May; 35(5):733-41.
    View in: PubMed
    Score: 0.120
  49. Epithelioid inflammatory myofibroblastic sarcoma: An aggressive intra-abdominal variant of inflammatory myofibroblastic tumor with nuclear membrane or perinuclear ALK. Am J Surg Pathol. 2011 Jan; 35(1):135-44.
    View in: PubMed
    Score: 0.117
  50. Dedifferentiated liposarcoma with "homologous" lipoblastic (pleomorphic liposarcoma-like) differentiation: clinicopathologic and molecular analysis of a series suggesting revised diagnostic criteria. Am J Surg Pathol. 2010 Aug; 34(8):1122-31.
    View in: PubMed
    Score: 0.114
  51. Monoclonal antibody DOG1.1 shows higher sensitivity than KIT in the diagnosis of gastrointestinal stromal tumors, including unusual subtypes. Am J Surg Pathol. 2009 Mar; 33(3):437-46.
    View in: PubMed
    Score: 0.103
  52. Rhabdomyosarcomatous differentiation in gastrointestinal stromal tumors after tyrosine kinase inhibitor therapy: a novel form of tumor progression. Am J Surg Pathol. 2009 Feb; 33(2):218-26.
    View in: PubMed
    Score: 0.103
  53. Primary cutaneous PEComa: distinctive clear cell lesions of skin. Am J Surg Pathol. 2008 Apr; 32(4):608-14.
    View in: PubMed
    Score: 0.097
  54. Inflammatory myofibroblastic tumor: comparison of clinicopathologic, histologic, and immunohistochemical features including ALK expression in atypical and aggressive cases. Am J Surg Pathol. 2007 Apr; 31(4):509-20.
    View in: PubMed
    Score: 0.091
  55. Gardner fibroma: a clinicopathologic and immunohistochemical analysis of 45 patients with 57 fibromas. Am J Surg Pathol. 2007 Mar; 31(3):410-6.
    View in: PubMed
    Score: 0.090
  56. Spindle cell (sarcomatoid) carcinoma of the breast: a clinicopathologic and immunohistochemical analysis of 29 cases. Am J Surg Pathol. 2006 Mar; 30(3):300-9.
    View in: PubMed
    Score: 0.084
  57. KIT-negative gastrointestinal stromal tumors: proof of concept and therapeutic implications. Am J Surg Pathol. 2004 Jul; 28(7):889-94.
    View in: PubMed
    Score: 0.075
  58. Calcifying fibrous 'pseudotumor': clinicopathologic study of 15 cases and analysis of its relationship to inflammatory myofibroblastic tumor. Int J Surg Pathol. 2002 Jul; 10(3):189-96.
    View in: PubMed
    Score: 0.065
  59. Mesenchymal tumors of the gastrointestinal tract with NTRK rearrangements: a clinicopathological, immunophenotypic, and molecular study of eight cases, emphasizing their distinction from gastrointestinal stromal tumor (GIST). Mod Pathol. 2021 01; 34(1):95-103.
    View in: PubMed
    Score: 0.057
  60. SMARCA4-deficient Uterine Sarcoma and Undifferentiated Endometrial Carcinoma Are Distinct Clinicopathologic Entities. Am J Surg Pathol. 2020 02; 44(2):263-270.
    View in: PubMed
    Score: 0.055
  61. Dermatofibrosarcoma protuberans with a novel COL6A3-PDGFD fusion gene and apparent predilection for breast. Genes Chromosomes Cancer. 2018 09; 57(9):437-445.
    View in: PubMed
    Score: 0.050
  62. Immunohistochemical Detection and Molecular Characterization of IDH-mutant Sinonasal Undifferentiated Carcinomas. Am J Surg Pathol. 2018 08; 42(8):1067-1075.
    View in: PubMed
    Score: 0.050
  63. Expression of enhancer of zeste homolog 2 (EZH2) protein in histiocytic and dendritic cell neoplasms with evidence for p-ERK1/2-related, but not MYC- or p-STAT3-related cell signaling. Mod Pathol. 2018 04; 31(4):553-561.
    View in: PubMed
    Score: 0.048
  64. Histologic Appearance After Preoperative Radiation Therapy for Soft Tissue Sarcoma: Assessment of the European Organization for Research and Treatment of Cancer-Soft Tissue and Bone Sarcoma Group Response Score. Int J Radiat Oncol Biol Phys. 2017 06 01; 98(2):375-383.
    View in: PubMed
    Score: 0.045
  65. Expression of Programmed Cell Death 1 Ligands (PD-L1 and PD-L2) in Histiocytic and Dendritic Cell Disorders. Am J Surg Pathol. 2016 Apr; 40(4):443-53.
    View in: PubMed
    Score: 0.042
  66. Primary sclerosing epithelioid fibrosarcoma of bone: analysis of a series. Am J Surg Pathol. 2014 Nov; 38(11):1538-44.
    View in: PubMed
    Score: 0.038
  67. Pleomorphic fibroma and dermal atypical lipomatous tumor: are they related? J Cutan Pathol. 2013 Apr; 40(4):379-84.
    View in: PubMed
    Score: 0.034
  68. Translocation t(7;19)(q22;q13)-a recurrent chromosome aberration in pseudomyogenic hemangioendothelioma? Cancer Genet. 2011 Apr; 204(4):211-5.
    View in: PubMed
    Score: 0.030
  69. IgG4 plasma cells in inflammatory myofibroblastic tumor: inflammatory marker or pathogenic link? Mod Pathol. 2011 Apr; 24(4):606-12.
    View in: PubMed
    Score: 0.030
  70. Caveolin 1 is overexpressed and amplified in a subset of basal-like and metaplastic breast carcinomas: a morphologic, ultrastructural, immunohistochemical, and in situ hybridization analysis. Clin Cancer Res. 2007 Jan 01; 13(1):90-101.
    View in: PubMed
    Score: 0.022
  71. EGFR amplification and lack of activating mutations in metaplastic breast carcinomas. J Pathol. 2006 Aug; 209(4):445-53.
    View in: PubMed
    Score: 0.022
  72. The PTEN and INK4A/ARF tumor suppressors maintain myelolymphoid homeostasis and cooperate to constrain histiocytic sarcoma development in humans. Cancer Cell. 2006 May; 9(5):379-90.
    View in: PubMed
    Score: 0.021
  73. Protein Kinase C theta (PKCtheta) expression and constitutive activation in gastrointestinal stromal tumors (GISTs). Cancer Res. 2004 Aug 01; 64(15):5127-31.
    View in: PubMed
    Score: 0.019
  74. Phase II study of imatinib in patients with small cell lung cancer. Clin Cancer Res. 2003 Dec 01; 9(16 Pt 1):5880-7.
    View in: PubMed
    Score: 0.018
  75. Current management of metastatic gastrointestinal stromal tumor: a case report. Clin Adv Hematol Oncol. 2003 Jan; 1(1):63-4; discussion 65.
    View in: PubMed
    Score: 0.017
Connection Strength
The connection strength for co-authors is the sum of the scores for each of their shared publications.

Publication scores are based on many factors, including how long ago they were written and whether the person is a first or senior author.
Funded by the NIH National Center for Advancing Translational Sciences through its Clinical and Translational Science Awards Program, grant number UL1TR002541.