Keck School Faculty

Koji Matsuo, MD, PhD
Koji Matsuo, MD, PhD
Associate Professor of Obstetrics & Gynecology (Clinical Scholar);Chief, Oncology Research
Obstetrics & Gynecology
IRD 520 2020 Zonal Ave Off Campus Los Angeles
Diploma of American Board of Obstetrics and Gynecology (Obstetrics & Gynecology)
Diploma of American Board of Obstetrics and Gynecology (Gynecologic Oncology)

University of Southern California: Excellence in Teaching Award, 2019

University of Southern California: Excellence in Teaching Award, 2018

University of Southern California: Excellence in Teaching Award, 2016

Gynecologic Oncology Group: Young Investigator Award, 2014

University of Southern California: Fellow Research Award, Outstanding Scientific Research, 2013

University of Maryland School of Medicine: Gold Humanism Honor Society Award, 2007

University of Maryland School of Medicine: Excellence in Teaching Award, 2007

University of Maryland School of Medicine: Excellence in Teaching Award, 2006

Cervical conization of adenocarcinoma in situ: a predicting model of residual diseaseAm J Obstet Gynecol. 2014 Apr; 210(4):366. e1-366. e5. . View in PubMed

Carcinoma of the ovaries and fallopian tubesIn: Abeloff’s Clinical Oncology, sixth edition. Editors: Niederhuber JE, Armitage AO, Doroshow JH, Kastan MB, Tepper JE. ElsevierPhiladelphia2019;1525-1543. 2019. . View in PubMed

Characteristics and outcomes of reproductive-aged women with early-stage cervical cancer: trachelectomy vs hysterectomyAm J Obstet Gynecol. 2018 11; 219(5):461. e1-461. e18. . View in PubMed

Fertility-sparing trachelectomy for early-stage cervical cancer: A proposal of an ideal candidate Gynecol Oncol. 2019 Nov 23. . View in PubMed

Emerging serine-threonine kinase inhibitors for treating ovarian cancer Expert Opin Emerg Drugs. 2019 Nov 22. . View in PubMed

Hospital surgical volume and perioperative mortality of pelvic exenteration for gynecologic malignancies J Surg Oncol. 2019 Nov 19. . View in PubMed

Clinical and biological significance of EZH2 expression in endometrial cancer Cancer Biol Ther. 2019 Oct 22; 1-10. . View in PubMed

Dysregulation of Placental Functions and Immune Pathways in Complete Hydatidiform Moles Int J Mol Sci. 2019 Oct 10; 20(20). . View in PubMed

Intraoperative Capsule Rupture, Postoperative Chemotherapy, and Survival of Women With Stage I Epithelial Ovarian Cancer Obstet Gynecol. 2019 Oct 08. . View in PubMed

Efficacy of pegylated liposomal doxorubicin maintenance therapy in platinum-sensitive recurrent epithelial ovarian cancer: a retrospective study Arch Gynecol Obstet. 2019 Jun; 299(6):1641-1649. . View in PubMed

Association of Radical Hysterectomy Surgical Volume and Survival for Early-Stage Cervical Cancer Obstet Gynecol. 2019 Jun; 133(6):1086-1098. . View in PubMed

Decreasing Trends of Secondary Primary Colorectal Cancer among Women with Uterine Cancer: A Population-Based Analysis J Clin Med. 2019 May 20; 8(5). . View in PubMed

Association of Radical Hysterectomy Surgical Volume and Survival for Early-Stage Cervical Cancer Obstet Gynecol. 2019 May 09. . View in PubMed

Feasibility and outcome of total laparoscopic radical hysterectomy with no-look no-touch technique for FIGO IB1 cervical cancer J Gynecol Oncol. 2019 May; 30(3):e71. . View in PubMed

Comprehensive Serum Glycopeptide Spectra Analysis (CSGSA): A Potential New Tool for Early Detection of Ovarian Cancer Cancers (Basel). 2019 Apr 27; 11(5). . View in PubMed

Effectiveness of progestin-based therapy for morbidly obese women with complex atypical hyperplasia Arch Gynecol Obstet. 2019 Mar; 299(3):801-808. . View in PubMed

Effectiveness of postoperative chemotherapy for stage IC mucinous ovarian cancer Gynecol Oncol. 2019 09; 154(3):505-515. . View in PubMed

Decreasing secondary primary uterine cancer after breast cancer: A population-based analysis Gynecol Oncol. 2019 07; 154(1):169-176. . View in PubMed

Association between body mass index and surgical menopausal symptoms in patients with early stage endometrial cancer Gynecol Oncol. 2019 04; 153(1):123-126. . View in PubMed

Association of statins, aspirin, and venous thromboembolism in women with endometrial cancer Gynecol Oncol. 2019 03; 152(3):605-611. . View in PubMed

Decreasing secondary primary uterine cancer after breast cancer: A population-based analysis Gynecol Oncol. 2019; in-press. . View in PubMed

Dysregulation of trophoblast differentiation and immune pathways in molar pregnancies Int J Mol Sci. 2019; 20:4999. . View in PubMed

Neoadjuvant chemotherapy with taxane and platinum followed by radical hysterectomy for stage IB2-IIB cervical cancer: Impact of histology type J Clin Med. 2019; 8:156. . View in PubMed

Cancer antigen 125 is associated with disease status in uterine carcinosarcoma Rare Tumors. 2019; 11:2036361319884159. . View in PubMed

Association of radical hysterectomy surgical volume and survival of women with early-stage cervical cancer Obstet Gynecol. 2019; in-press. . View in PubMed

J Gynecol Oncol Neoadjuvant chemotherapy for epithelial ovarian cancer in Japan: a JSGO-JSOG join study. 2019; 30:e113. . View in PubMed

Hospital surgical volume and outcomes of pelvic exenteration for gynecologic malignancies J Surg Oncol. 2019; in-press. . View in PubMed

Changes in clinico-pathological demographics of vulvar cancer in Japan: Increasing oldest-old, stage-shifting, and decreasing cohort-level survival J Clin Med. 2019; 8:e2081. . View in PubMed

CA-125 is associated with disease status in uterine carcinosarcoma Rare Tumors. 2019; in-press. . View in PubMed

Association of tumor differentiation grade and survival of women with squamous cell carcinoma of the uterine cervix J Gynecol Oncol. 2018 Nov; 29(6):e91. . View in PubMed

Adequate pelvic lymphadenectomy and survival of women with early-stage epithelial ovarian cancer J Gynecol Oncol. 2018 Sep; 29(5):e69. . View in PubMed

Characterizing sarcoma dominance pattern in uterine carcinosarcoma: Homologous versus heterologous element Surg Oncol. 2018 Sep; 27(3):433-440. . View in PubMed

Impact of lympho-vascular space invasion on tumor characteristics and survival outcome of women with low-grade serous ovarian carcinoma J Surg Oncol. 2018 Feb; 117(2):236-244. . View in PubMed

Genomics to immunotherapy of ovarian clear cell carcinoma: Unique opportunities for management Gynecol Oncol. 2018 11; 151(2):381-389. . View in PubMed

Clinical utility of CA-125 in the management of uterine carcinosarcoma J Gynecol Oncol. 2018 11; 29(6):e88. . View in PubMed

Incidences and risk factors of metachronous vulvar, vaginal, and anal cancers after cervical cancer diagnosis Gynecol Oncol. 2018 09; 150(3):501-508. . View in PubMed

Efficacy of Modified Dose-dense Paclitaxel in Recurrent Cervical Cancer Am J Clin Oncol. 2018 09; 41(9):851-860. . View in PubMed

Fully sialylated alpha-chain of complement 4-binding protein (A2160): a novel prognostic marker for epithelial ovarian carcinoma Arch Gynecol Obstet. 2018 03; 297(3):749-756. . View in PubMed

Intrauterine Manipulator Use During Minimally Invasive Hysterectomy and Risk of Lymphovascular Space Invasion in Endometrial Cancer Int J Gynecol Cancer. 2018 02; 28(2):208-219. . View in PubMed

Aspirin use and endometrial cancer risk and survival Gynecol Oncol. 2018 01; 148(1):222-232. . View in PubMed

Identifying a candidate population for ovarian conservation in young women with clinical stage IB-IIB cervical cancer Int J Cancer. 2018 03 01; 142(5):1022-1032. . View in PubMed

Multidisciplinary perspectives on newly revised 2018 FIGO staging of cancer of the cervix uteri J Gynecol Oncol. 2018; in-press. . View in PubMed

Trachelectomy for stage IB1 cervical cancer with tumor size >2 cm: trends and characteristics in the United States J Gynecol Oncol. 2018; 29:e85. . View in PubMed

Teenage pregnancy complicated by primary invasive ovarian cancer: association for oncologic outcome J Gynecol Oncol. 2018; 29:e79. . View in PubMed

Nivolumab use for BRCA gene mutation carriers with recurrent ovarian cancer: a case series Gynecol Oncol Report. 2018; 25:98-101. . View in PubMed

Prolonged intubation after robotic-assisted hysterectomy for endometrial cancer: Case reports Gynecol Oncol Report. 2018; 25:106-108. . View in PubMed

Trends and outcomes of women with synchronous endometrial and ovarian cancer Oncotarget. 2018; 9:28757-28771. . View in PubMed

Nivolumab use for BRCA gene mutation carriers with recurrent ovarian cancer: a case series Gynecol Oncol Report. 2018; in-press. . View in PubMed

Survival outcome prediction in cervical cancer: Cox models versus deep-learning model Am J Obstet Gynecol. 2018; in-press. . View in PubMed

Characterizing sarcoma dominance pattern in uterine carcinosarcoma: homologous versus heterologous element Surg Oncol. 2018; 27:433-440. . View in PubMed

Adequate lymphadenectomy and survival of women with early-stage epithelial ovarian cancer J Gynecol Oncol. 2018; 29:e69. . View in PubMed

Surg Oncol. 2018; in-press. . View in PubMed

Gynecol Oncol Report. 2018; 23:7-9. . View in PubMed

Multidisciplinary perspectives on newly revised 2018 FIGO staging of cancer of the cervix uteri J Gynecol Oncol. 2018; 30:e40. . View in PubMed

Effectiveness of adjuvant systemic chemotherapy for intermediate-risk stage IB cervical cancer Oncotarget. 2017 Dec 05; 8(63):106866-106875. . View in PubMed

Association of Nonalcoholic Fatty Liver Disease and Venous Thromboembolism in Women With Endometrial Cancer Clin Appl Thromb Hemost. 2017 Nov; 23(8):1018-1027. . View in PubMed

Endometrial cancer arising in adenomyosis versus endometrial cancer coexisting with adenomyosis: are these two different entities? Arch Gynecol Obstet. 2017 Jun; 295(6):1459-1468.. View in PubMed

Incidence of urinary tract injury and utility of routine cystoscopy during total laparoscopic hysterectomy for endometrial cancer Eur J Obstet Gynecol Reprod Biol. 2017 Jun; 213:141-142. . View in PubMed

A pilot study in using deep learning to predict limited life expectancy in women with recurrent cervical cancer Am J Obstet Gynecol. 2017 12; 217(6):703-705. . View in PubMed

Association of Metformin Use and Survival Outcome in Women With Cervical Cancer Int J Gynecol Cancer. 2017 09; 27(7):1455-1463. . View in PubMed

Impact of adjuvant therapy on recurrence patterns in stage I uterine carcinosarcoma Gynecol Oncol. 2017 04; 145(1):78-87. . View in PubMed

Extent of pelvic lymphadenectomy and use of adjuvant vaginal brachytherapy for early-stage endometrial cancer Gynecol Oncol. 2017 03; 144(3):515-523. . View in PubMed

Endometrioid Adenocarcinoma Arising in a Paratubal Cyst: A Case Report and Review of the Literature Appl Immunohistochem Mol Morphol. 2017 03; 25(3):e21-e24. . View in PubMed

Comparison of adjuvant therapy for node-positive clinical stage IB-IIB cervical cancer: Systemic chemotherapy versus pelvic irradiation Int J Cancer. 2017 09 01; 141(5):1042-1051. . View in PubMed

Management of cervical dysplasia Handbook of Gynecology. 2017; 865-876. . View in PubMed

Preinvasive Epithelial Disease of the Vulvar Handbook of Gynecology. 2017; 969-982. . View in PubMed

Management of persistent and refractory gestational trophoblastic neoplasia Handbook of Gynecology. 2017; 773-788. . View in PubMed

Diagnosis and Management of Vulvar Cancer Handbook of Gynecology. 2017; 789-806. . View in PubMed

Diagnosis and Management of Nonepithelial Ovarian Cancer Handbook of Gynecology. 2017; 933-958. . View in PubMed

Clinical outcome of treatment with serine-threonine kinase inhibitors in recurrent epithelial ovarian cancer: a systematic review of literature Expert Opin Investig Drugs. 2016 Jul; 25(7):781-96. . View in PubMed

Association of Low-Dose Aspirin and Survival of Women With Endometrial Cancer Obstet Gynecol. 2016 Jul; 128(1):127-37. . View in PubMed

Feto-maternal outcomes of pregnancy complicated by Krukenberg tumor: a systematic review of literature Arch Gynecol Obstet. 2016 09; 294(3):589-98. . View in PubMed

In Reply to the Letter to the Editor on Matsuo et al"Treatment patterns and survival outcomes in patients with cervical cancer complicated by complete uterine prolapse: a systematic review of literature". Int Urogynecol J. 2016 08; 27(8):1285-6. . View in PubMed

Contributing factors for menopausal symptoms after surgical staging for endometrial cancer Menopause. 2016 05; 23(5):535-43. . View in PubMed

Fully-sialylated alpha-chain of complement 4-binding protein: Diagnostic utility for ovarian clear cell carcinoma Gynecol Oncol. 2015 Dec; 139(3):520-8. . View in PubMed

Erythropoietin Stimulates Tumor Growth via EphB4 Cancer Cell. 2015 Nov 09; 28(5):610-622. . View in PubMed

Impact of depth and extent of lymphovascular space invasion on lymph node metastasis and recurrence patterns in endometrial cancer J Surg Oncol. 2015 Nov; 112(6):669-76. . View in PubMed

Clinical impact of selective and nonselective beta-blockers on survival in patients with ovarian cancer Cancer. 2015 Oct 01; 121(19):3444-51. . View in PubMed

Effects of imiquimod on vulvar Paget's disease: a systematic review of literature Gynecol Oncol. 2015 Oct; 139(1):165-71. . View in PubMed

Immunohistochemical panel to differentiate endometrial stromal sarcoma, uterine leiomyosarcoma and leiomyoma: something old and something new J Clin Pathol. 2015 Sep; 68(9):710-7. . View in PubMed

Characteristics of ovarian tumors of low malignant potential in BRCA mutation carriers: A case series Gynecol Oncol Rep. 2015 Aug; 13:36-9. . View in PubMed

In reply Obstet Gynecol. 2015 Jun; 125(6):1498. . View in PubMed

Intraocular metastasis from primary cervical cancer: A case report and review of the literature Gynecol Oncol Rep. 2015 Apr; 12:61-3. . View in PubMed

Feto-maternal outcomes of pregnancy complicated by epithelial ovarian cancer: a systematic review of literature Eur J Obstet Gynecol Reprod Biol. 2015 Mar; 186:97-105. . View in PubMed

Adrenergic regulation of monocyte chemotactic protein 1 leads to enhanced macrophage recruitment and ovarian carcinoma growth Oncotarget. 2015 Feb 28; 6(6):4266-73. . View in PubMed

Clinical implication of surgically treated early-stage cervical cancer with multiple high-risk factors J Gynecol Oncol. 2015 Jan; 26(1):3-11. . View in PubMed

Management of early-stage ovarian cancer Surgery for ovarian cancer: Principles and practice. 2015; 67-104. . View in PubMed

Clinical characteristics and outcomes of uterine tumors resembling ovarian sex-cord tumors (UTROSCT): a systematic review of literature Eur J Obstet Gynecol Reprod Biol. 2014 Oct; 181:163-70. . View in PubMed

Feto-maternal outcomes of pregnancy complicated by ovarian malignant germ cell tumor: a systematic review of literature Eur J Obstet Gynecol Reprod Biol. 2014 Oct; 181:145-56. . View in PubMed

Feto-maternal outcome of pregnancy complicated by vulvar cancer: a systematic review of literature Eur J Obstet Gynecol Reprod Biol. 2014 Aug; 179:216-23. . View in PubMed

Estrogen receptor expression and increased risk of lymphovascular space invasion in high-grade serous ovarian carcinoma Gynecol Oncol. 2014 Jun; 133(3):473-9. . View in PubMed

Biologic effects of platelet-derived growth factor receptor a blockade in uterine cancer Clin Cancer Res. 2014 May 15; 20(10):2740-50. . View in PubMed

Effect of lymphovascular space invasion on survival of stage I epithelial ovarian cancer Obstet Gynecol. 2014 May; 123(5):957-65. . View in PubMed

Feto-maternal outcomes of pregnancy complicated by ovarian sex-cord stromal tumor: a systematic review of literature Eur J Obstet Gynecol Reprod Biol. 2014 Apr; 175:1-7. . View in PubMed

Inferior vena cava filter placement and risk of hematogenous distant metastasis in ovarian cancer Am J Clin Oncol. 2013 Aug; 36(4):362-7. . View in PubMed

Biologic effects of dopamine on tumor vasculature in ovarian carcinoma Neoplasia. 2013 May; 15(5):502-10. . View in PubMed

Biological significance of HORMA domain containing protein 1 (HORMAD1) in epithelial ovarian carcinoma Cancer Lett. 2013 Apr 28; 330(2):123-9. . View in PubMed

Development of an objective structured skill examination in physiology education PEC. 2013; (52):84-91. . View in PubMed

Impact of histological subtype on survival of patients with surgically-treated stage IA2-IIB cervical cancer: adenocarcinoma versus squamous cell carcinoma Gynecol Oncol. 2012 Oct; 127(1):114-20. . View in PubMed

Comparison of the prognoses of FIGO stage I to stage II adenosquamous carcinoma and adenocarcinoma of the uterine cervix treated with radical hysterectomy Int J Gynecol Cancer. 2012 Oct; 22(8):1389-97. . View in PubMed

Leiomyomatoid angiomatous neuroendocrine tumor of the uterine myometrium with synchronous renal leiomyosarcoma: case report and review of the literature Int Cancer Conf J. 2012; 1:243-50. . View in PubMed

Biological roles of the Delta family Notch ligand Dll4 in tumor and endothelial cells in ovarian cancer Cancer Res. 2011 Sep 15; 71(18):6030-9. . View in PubMed

Endometriosis in para-aortic lymph nodes during pregnancy: case report and review of literatureFertil Steril. 2011 Jun; 95(7):2429. e9-13. . View in PubMed

Area of uncertainty in uterine arterial embolization: does it increase the risk of ovarian cancer? J Obstet Gynaecol Res. 2010 Aug; 36(4):920.. View in PubMed

Increased paclitaxel resistance in recurrent epithelial ovarian cancer: analysis of metachronous tumors Int J Clin Oncol. 2010 Jun; 15(3):325-7. . View in PubMed

Bridging the gap between cytotoxic and biologic therapy with metronomic topotecan and pazopanib in ovarian cancer Mol Cancer Ther. 2010 Apr; 9(4):985-95. . View in PubMed

Amputation of uterine corpus as the intraoperative modification during cesarean radical hysterectomy for invasive cervical cancer during pregnancy Int J Clin Oncol. 2010 Feb; 15(1):77-81. . View in PubMed

Chemotherapy time interval and development of platinum and taxane resistance in ovarian, fallopian, and peritoneal carcinomas Arch Gynecol Obstet. 2010 Feb; 281(2):325-8. . View in PubMed

Role of pericyte in resistance to anti-angiogenic therapy The Tumor Microenvironment: Cancer Drug Discovery and Development series. 2010; 311-24. . View in PubMed

Clinical relevance of extent of extreme drug resistance in epithelial ovarian carcinoma Gynecol Oncol. 2010 Jan; 116(1):61-5. . View in PubMed

Headaches in pre-eclampsia: a clinical dilemma in diagnosing intracranial hemorrhage Eur J Obstet Gynecol Reprod Biol. 2009 Oct; 146(2):232-3. . View in PubMed

Hydatidiform mole co-existing with cervical cancer: case report and review of literature Eur J Obstet Gynecol Reprod Biol. 2009 Sep; 146(1):108-9. . View in PubMed

Duration of the second stage of labor while wearing a dental support device: a pilot study J Obstet Gynaecol Res. 2009 Aug; 35(4):672-8. . View in PubMed

Clitoral metastasis of anal adenocarcinoma associated with rectovaginal fistula in long standing Crohn's disease Eur J Obstet Gynecol Reprod Biol. 2009 Jun; 144(2):182-3. . View in PubMed

Elective cesarean delivery at 38 weeks' gestation: is the timing too early? J Perinat Med. 2009; 37(5):569.. View in PubMed

Decreased placental oxygenation capacity in pre-eclampsia: clinical application of a novel index of placental function preformed at the time of delivery J Perinat Med. 2009; 37(6):657-61. . View in PubMed

A rapid-growing uterine mass during pregnancy: a fast-growing uterine mass complicated a first pregnancyAm J Obstet Gynecol. 2008 Oct; 199(4):440. e1-2. . View in PubMed

Binding of plasminogen to hepatocytes isolated from injured mouse liver and nonparenchymal-cell-dependent proliferation of hepatocytes Blood Coagul Fibrinolysis. 2008 Sep; 19(6):503-11. . View in PubMed

Anaphylactoid syndrome of pregnancy immediately after intrauterine pressure catheter placement Am J Obstet Gynecol. 2008 Feb; 198(2):e8-9. . View in PubMed

Is 38 weeks late enough for elective cesarean delivery? Int J Gynaecol Obstet. 2008 Jan; 100(1):90-1.. View in PubMed

Alport syndrome and pregnancy Obstet Gynecol. 2007 Feb; 109(2 Pt2):531-2. . View in PubMed

Author reply: Uterine varices during pregnancy Am J Obstet Gynecol. 2007; (197):688. . View in PubMed

Increased leukocyte distribution in the pre-clinical stage of pre-eclampsia Int J Gynaecol Obstet. 2007 Jan; 96(1):31-2. . View in PubMed

Hyperemesis gravidarum in Eastern Asian population Gynecol Obstet Invest. 2007; 64(4):213-6. . View in PubMed

Idarubicin administered during pregnancy: its effects on the fetus Gynecol Obstet Invest. 2004; 58(4):186-8. . View in PubMed

Bladder tumor found by tension-free vaginal tape procedure Obstet Gynecol. 2003 May; 101(5 Pt 1):937-40. . View in PubMed

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