Jennifer Ko

Title(s)Project Director, Ob/Gyn, Reproductive Sciences
SchoolSchool of Medicine
Address1330 Broadway Street
Oakland CA 94612
Phone415-353-5019 ext. 964
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    University of California, DavisClinical Nutrition, B.S.2010College of Agriculture & Sciences

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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Rhabdomyosarcoma Arising in an Old Rhytidectomy Scar. Ann Otol Rhinol Laryngol. 2022 Mar 21; 34894221084482. Ruthberg JS, Meleca JB, Ko JS, Billings SD, Ku JA. PMID: 35311358.
      View in: PubMed   Mentions:    Fields:    
    2. A clinicopathologic analysis of 54 cases of cutaneous myxoma. Hum Pathol. 2022 02; 120:71-76. Sharma A, Khaitan N, Ko JS, Bergfeld WF, Piliang M, Rubin BP, Goldblum JR, Billings SD. PMID: 34968506.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    3. Preferentially expressed antigen in melanoma and p16 expression in acral melanocytic neoplasms. J Cutan Pathol. 2022 Mar; 49(3):220-230. McBride JD, McAfee JL, Piliang M, Bergfeld WF, Fernandez AP, Ronen S, Billings SD, Ko JS. PMID: 34476825.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    4. Cutaneous symplastic hemangioma: A series of four cases. J Cutan Pathol. 2021 Nov; 48(11):1361-1366. Frew D, Scarborough R, Ko JS, Billings SD. PMID: 34089529.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    5. The clinicopathologic spectrum and genomic landscape of de-/trans-differentiated melanoma. Mod Pathol. 2021 11; 34(11):2009-2019. Ferreira I, Droop A, Edwards O, Wong K, Harle V, Habeeb O, Gharpuray-Pandit D, Houghton J, Wiedemeyer K, Mentzel T, Billings SD, Ko JS, Füzesi L, Mulholland K, Prusac IK, Liegl-Atzwanger B, de Saint Aubain N, Caldwell H, Riva L, van der Weyden L, Arends MJ, Brenn T, Adams DJ. PMID: 34155350.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    6. Superficial ALK-rearranged myxoid spindle cell neoplasm: a cutaneous soft tissue tumor with distinctive morphology and immunophenotypic profile. Mod Pathol. 2021 09; 34(9):1710-1718. Dermawan JK, Azzato EM, Goldblum JR, Rubin BP, Billings SD, Ko JS. PMID: 34088997.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    7. Update on Cutaneous Soft Tissue Tumors. Surg Pathol Clin. 2021 Jun; 14(2):195-207. Dermawan JK, Ko JS, Billings SD. PMID: 34023100.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    8. Perineuriomatous nevi: A series of eight cases highlighting unifying pathologic features to avoid misdiagnosis. J Cutan Pathol. 2021 Oct; 48(10):1223-1230. McAfee JL, Dermawan JK, Billings SD, Ko JS. PMID: 33745212.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    9. Disease Progression in Cutaneous Squamous Cell Carcinoma Patients With Satellitosis and In-transit Metastasis. Anticancer Res. 2021 Jan; 41(1):289-295. Smile TD, Xiong DX, Varra V, Winter IW, Beal BT, Gastman BR, Geiger JL, Adelstein DJ, Bergfeld WF, Piliang MP, Billings SD, Ko JS, Knackstedt TJ, Lucas JL, Poblete-Lopez CM, Meine JG, Vij A, Vidimos AT, Koyfman SA. PMID: 33419823.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    10. EWSR1-SMAD3 rearranged fibroblastic tumor: Case series and review. J Cutan Pathol. 2021 Feb; 48(2):255-262. Habeeb O, Korty KE, Azzato EM, Astbury C, Farkas DH, Ko JS, Billings SD. PMID: 32901982.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    11. Intravascular Lobular Capillary Hemangioma (Intravascular Pyogenic Granuloma): A Clinicopathologic Study of 40 Cases. Am J Surg Pathol. 2020 11; 44(11):1515-1521. Dermawan JK, Ko JS, Billings SD. PMID: 32496432.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    12. Large sacral/buttocks ulcerations in the setting of coagulopathy: A case series establishing the skin as a target organ of significant damage and potential morbidity in patients with severe COVID-19. Int Wound J. 2020 Dec; 17(6):2033-2037. Young S, Narang J, Kumar S, Kwizera E, Malik P, Billings SD, Ko JS, Fernandez AP. PMID: 32767632; PMCID: PMC7436712.
      View in: PubMed   Mentions: 6     Fields:    Translation:HumansCellsPHPublic Health
    13. p16 Range of expression in dermal predominant benign epithelioid and spindled nevi and melanoma. J Cutan Pathol. 2020 Sep; 47(9):815-823. Oaxaca G, Billings SD, Ko JS. PMID: 32330325.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansCells
    14. Targeted next generation sequencing (NGS) to classify melanocytic neoplasms. J Cutan Pathol. 2020 Aug; 47(8):691-704. Zarabi SK, Azzato EM, Tu ZJ, Ni Y, Billings SD, Arbesman J, Funchain P, Gastman B, Farkas DH, Ko JS. PMID: 32291779.
      View in: PubMed   Mentions: 5     Fields:    Translation:HumansCells
    15. Superficial sarcomas with CIC rearrangement are aggressive neoplasms: A series of eight cases. J Cutan Pathol. 2020 Jun; 47(6):509-516. Ko JS, Marusic Z, Azzato EM, Farkas DH, Van Arnam J, Seiwerth S, Fritchie K, Patel RM, Rubin BP, Billings SD. PMID: 32026485.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    16. Diagnoses of hospitalized patients with skin abnormalities prompting biopsy by consulting dermatologists: A 3-year review from a tertiary care center. J Cutan Pathol. 2020 Apr; 47(4):346-356. Ellis A, Billings SD, Khanna U, Warren CB, Piliang M, Vij A, Ko JS, Bergfeld WF, Fernandez AP. PMID: 31845375; PMCID: PMC9291190.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    17. Differences in exposure to toxic and/or carcinogenic volatile organic compounds between Black and White cigarette smokers. J Expo Sci Environ Epidemiol. 2021 03; 31(2):211-223. St Helen G, Benowitz NL, Ko J, Jacob P, Gregorich SE, Pérez-Stable EJ, Murphy SE, Hecht SS, Hatsukami DK, Donny EC. PMID: 31406274; PMCID: PMC7012700.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    18. CRTC1-TRIM11 fusion defined melanocytic tumors: A series of four cases. J Cutan Pathol. 2019 Nov; 46(11):810-818. Ko JS, Wang L, Billings SD, Pissaloux D, Tirode F, Berry R, De La Fouchardiere A. PMID: 31237704.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansCells
    19. Prognostic Significance of "Nonsolid" Microscopic Metastasis in Merkel Cell Carcinoma Sentinel Lymph Nodes. Am J Surg Pathol. 2019 07; 43(7):907-919. Erstine EM, Tetzlaff MT, Jia X, Aung PP, Prieto VG, Funchain P, Gastman BR, Billings SD, Ko JS. PMID: 31094923.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    20. ALPK1 hotspot mutation as a driver of human spiradenoma and spiradenocarcinoma. Nat Commun. 2019 05 17; 10(1):2213. Rashid M, van der Horst M, Mentzel T, Butera F, Ferreira I, Pance A, Rütten A, Luzar B, Marusic Z, de Saint Aubain N, Ko JS, Billings SD, Chen S, Abi Daoud M, Hewinson J, Louzada S, Harms PW, Cerretelli G, Robles-Espinoza CD, Patel RM, van der Weyden L, Bakal C, Hornick JL, Arends MJ, Brenn T, Adams DJ. PMID: 31101826; PMCID: PMC6525246.
      View in: PubMed   Mentions: 9     Fields:    Translation:HumansCells
    21. Decreased T-Cell Programmed Death Receptor-1 Expression in Pregnancy-Associated Melanoma. Am J Dermatopathol. 2019 Mar; 41(3):180-187. Ko JS, Gastman BR, Conic R, Tellez Diaz Trujillo A, Diaz-Montero CM, Billings SD, Tarhini A, Funchain P, Atanaskova Mesinkovska N. PMID: 30308543.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansCells
    22. Correlation of melanoma gene expression score with clinical outcomes on a series of melanocytic lesions. Hum Pathol. 2019 04; 86:213-221. Ko JS, Clarke LE, Minca EC, Brown K, Flake DD, Billings SD. PMID: 30566894.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansCells
    23. Histopathologic correlation of high-risk MelaFindTM lesions: a 3-year experience from a high-risk pigmented lesion clinic. Int J Dermatol. 2019 May; 58(5):569-576. Shrivastava V, Bailin P, Elliott J, Bacnik E, Gastman B, Bergfeld W, Billings SD, Piliang M, Fernandez A, Kovalyshyn I, Ko JS. PMID: 30549001.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    24. Superficial Solitary Fibrous Tumor: A Series of 26 Cases. Am J Surg Pathol. 2018 06; 42(6):778-785. Feasel P, Al-Ibraheemi A, Fritchie K, Zreik RT, Wang WL, Demicco E, Saeb-Lima M, Goldblum JR, Rubin BP, McKenney JK, Ko JS, Billings SD. PMID: 29438169.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    25. Efficacy of Triaging Direct Immunofluorescence in Intraepidermal Bullous Dermatoses. Am J Dermatopathol. 2018 Jan; 40(1):24-29. Tjarks BJ, Billings SD, Ko JS. PMID: 28368874.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    26. Myxofibrosarcoma of unusual sites. J Cutan Pathol. 2018 Feb; 45(2):104-110. Tjarks BJ, Ko JS, Billings SD. PMID: 29065228.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    27. Direct immunofluorescence testing in vasculitis-A single institution experience with Henoch-Schönlein purpura. J Cutan Pathol. 2018 Jan; 45(1):16-22. Feasel P, Billings SD, Bergfeld WF, Piliang MP, Fernandez AP, Ko JS. PMID: 28984999.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    28. Broadening the Anatomic Landscape of Sclerosing Perineurioma: A Series of 5 Cases in Nonacral Sites. Am J Dermatopathol. 2017 Sep; 39(9):679-681. Erstine EM, Ko JS, Rubin BP, McKenney JK, Goldblum JR, Billings SD. PMID: 27845943.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    29. Spindle Cell Lipomas in Women: A Report of 53 Cases. Am J Surg Pathol. 2017 Sep; 41(9):1267-1274. Ko JS, Daniels B, Emanuel PO, Elson P, Khachaturov V, McKenney JK, Goldblum JR, Billings SD. PMID: 28719462.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    30. Tuberculosis contact investigation in an intermediate burden setting: implications from a large tuberculosis contact cohort in Taiwan. Eur Respir J. 2017 08; 50(2). Lee MR, Ho CM, Lee CH, Lee MC, Chang LY, Yu KL, Ko JC, Wang JY, Wang JT, Lee LN. PMID: 28838982; PMCID: PMC5593384.
      View in: PubMed   Mentions: 8     Fields:    Translation:HumansPHPublic Health
    31. Living on the Edge: Diagnosing Sarcomatoid Melanoma Using Histopathologic Cues at the Edge of a Dedifferentiated Tumor: A Report of 2 Cases and Review of the Literature. Am J Dermatopathol. 2017 Aug; 39(8):593-598. Erstine EM, Tetzlaff MT, Ko JS, Prieto VG, Cheah AL, Billings SD. PMID: 27655123.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    32. Merkel cell carcinoma with fingolimod treatment for multiple sclerosis: A case report. Mult Scler Relat Disord. 2017 Oct; 17:12-14. Mahajan KR, Ko JS, Tetzlaff MT, Hudgens CW, Billings SD, Cohen JA. PMID: 29055440.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansCells
    33. Diagnostic Distinction of Malignant Melanoma and Benign Nevi by a Gene Expression Signature and Correlation to Clinical Outcomes. Cancer Epidemiol Biomarkers Prev. 2017 07; 26(7):1107-1113. Ko JS, Matharoo-Ball B, Billings SD, Thomson BJ, Tang JY, Sarin KY, Cai E, Kim J, Rock C, Kimbrell HZ, Flake DD, Warf MB, Nelson J, Davis T, Miller C, Rushton K, Hartman AR, Wenstrup RJ, Clarke LE. PMID: 28377414.
      View in: PubMed   Mentions: 12     Fields:    Translation:HumansCells
    34. Radiation-associated angiosarcoma in the setting of breast cancer mimicking radiation dermatitis: A diagnostic pitfall. J Cutan Pathol. 2017 May; 44(5):456-461. Daniels BH, Ko JS, Rowe JJ, Downs-Kelly E, Billings SD. PMID: 28169467.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    35. Significance of epidermal mitoses in challenging melanocytic proliferations. J Cutan Pathol. 2017 Feb; 44(2):135-143. Minca EC, Billings SD, Elson P, Tetzlaff MT, Andea AA, Ko JS. PMID: 27862191.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansCells
    36. Pagetoid Spitz nevi: clinicopathologic characterization of a series of 12 cases. J Cutan Pathol. 2016 Nov; 43(11):932-939. Fernandez AP, Billings SD, Bergfeld WF, Ko JS, Piliang MP. PMID: 27442449.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    37. Cutaneous manifestations in inflammatory bowel disease: a single institutional study of non-neoplastic biopsies over 13 years. J Cutan Pathol. 2016 Nov; 43(11):946-955. Ko JS, Uberti G, Napekoski K, Patil DT, Billings SD. PMID: 27494987.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    38. Comparison between melanoma gene expression score and fluorescence in situ hybridization for the classification of melanocytic lesions. Mod Pathol. 2016 08; 29(8):832-43. Minca EC, Al-Rohil RN, Wang M, Harms PW, Ko JS, Collie AM, Kovalyshyn I, Prieto VG, Tetzlaff MT, Billings SD, Andea AA. PMID: 27174586.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    39. Density, Distribution, and Composition of Immune Infiltrates Correlate with Survival in Merkel Cell Carcinoma. Clin Cancer Res. 2016 Nov 15; 22(22):5553-5563. Feldmeyer L, Hudgens CW, Ray-Lyons G, Nagarajan P, Aung PP, Curry JL, Torres-Cabala CA, Mino B, Rodriguez-Canales J, Reuben A, Chen PL, Ko JS, Billings SD, Bassett RL, Wistuba II, Cooper ZA, Prieto VG, Wargo JA, Tetzlaff MT. PMID: 27166398; PMCID: PMC5857157.
      View in: PubMed   Mentions: 42     Fields:    Translation:HumansCells
    40. Histological pattern of Merkel cell carcinoma sentinel lymph node metastasis improves stratification of Stage III patients. Mod Pathol. 2016 Feb; 29(2):122-30. Ko JS, Prieto VG, Elson PJ, Vilain RE, Pulitzer MP, Scolyer RA, Reynolds JP, Piliang MP, Ernstoff MS, Gastman BR, Billings SD. PMID: 26541273; PMCID: PMC5063050.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    41. A novel IL-17 signaling pathway controlling keratinocyte proliferation and tumorigenesis via the TRAF4-ERK5 axis. J Exp Med. 2015 Sep 21; 212(10):1571-87. Wu L, Chen X, Zhao J, Martin B, Zepp JA, Ko JS, Gu C, Cai G, Ouyang W, Sen G, Stark GR, Su B, Vines CM, Tournier C, Hamilton TA, Vidimos A, Gastman B, Liu C, Li X. PMID: 26347473; PMCID: PMC4577838.
      View in: PubMed   Mentions: 78     Fields:    Translation:HumansAnimalsCells
    42. Diagnostically Challenging Epithelioid Vascular Tumors. Surg Pathol Clin. 2015 Sep; 8(3):331-51. Ko JS, Billings SD. PMID: 26297060.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    43. Safety of interventional bronchoscopy through complication review at a cancer center. Clin Respir J. 2016 May; 10(3):359-67. Hsu LH, Liu CC, Ko JS, Chen CC, Feng AC. PMID: 25307369.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    44. Fully automated dual-color dual-hapten silver in situ hybridization staining for MYC amplification: a diagnostic tool for discriminating secondary angiosarcoma. J Cutan Pathol. 2014 Mar; 41(3):286-92. Ko JS, Billings SD, Lanigan CP, Buehler D, Fernandez AP, Tubbs RR. PMID: 24329959.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    45. Morphologic mimickers of Cryptococcus occurring within inflammatory infiltrates in the setting of neutrophilic dermatitis: a series of three cases highlighting clinical dilemmas associated with a novel histopathologic pitfall. J Cutan Pathol. 2013 Jan; 40(1):38-45. Ko JS, Fernandez AP, Anderson KA, Burdick LM, Billings SD, Procop GW, McMahon JT, Bergfeld WF, Piliang MP. PMID: 23278725.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansAnimalsCells
    46. Sunitinib mediates reversal of myeloid-derived suppressor cell accumulation in renal cell carcinoma patients. Clin Cancer Res. 2009 Mar 15; 15(6):2148-57. Ko JS, Zea AH, Rini BI, Ireland JL, Elson P, Cohen P, Golshayan A, Rayman PA, Wood L, Garcia J, Dreicer R, Bukowski R, Finke JH. PMID: 19276286.
      View in: PubMed   Mentions: 397     Fields:    Translation:HumansCells
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