Faculty

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Yanling Ma, MD
Associate Professor of Clinical Pathology
Pathology
CT 1200 North State Street Off Campus Los Angeles
+1 323 409 1370

Overview

Dr. Ma is currently a staff pathologist at both LAC+USC Medical Center and Women’s Hospital and teaches courses in pathology to second year USC medical students. A native of China, Dr. Ma first came to USC in 1994 as a pathology intern at LAC+USC Medical Center. A residency and fellowship at LAC+USC Medical Center followed and in 2000, Dr. Ma was appointed Assistant Professor of Clinical Pathology. Dr. Ma has been a member of the College of American Pathologists since 1977 and is also currently a member of the Keck School of Medicine’s Residency Recruitment Committee. A former Acting Chief of Surgical Pathology, Dr. Ma currently directs the Immunohistochemistry Laboratory.

Publications

HER2 Status in Advanced or Metastatic Gastric, Esophageal, or Gastroesophageal Adenocarcinoma for Entry to the TRIO-013/LOGiC Trial of Lapatinib. Mol Cancer Ther. 2017 Jan; 16(1):228-238. View in: PubMed

HER2 Gene Amplification Testing by Fluorescent In Situ Hybridization (FISH): Comparison of the ASCO-College of American Pathologists Guidelines With FISH Scores Used for Enrollment in Breast Cancer International Research Group Clinical Trials. J Clin Oncol. 2016 Oct 10; 34(29):3518-3528. View in: PubMed

Epidermal Growth Factor Receptor, Excision-Repair Cross-Complementation Group 1 Protein, and Thymidylate Synthase Expression in Penile Cancer. Clin Genitourin Cancer. 2016 Oct; 14(5):450-456. e1. View in: PubMed

Robotic transmural ablation of bladder tumors using high-intensity focused ultrasound: Experimental study. Int J Urol. 2016 Jun; 23(6):501-8. View in: PubMed

Histological analysis of the kidney tumor-parenchyma interface. J Urol. 2015 Feb; 193(2):415-22. View in: PubMed

Inverted lymphoglandular polyp in descending colon. Case Rep Pathol. 2015; 2015:646270. View in: PubMed

Small bowel dissemination of coccidioidomycosis. Case Rep Pathol. 2015; 2015:403671. View in: PubMed

Robot-assisted laparoscopic high-intensity focused ultrasound for focal therapy of prostate: novel approach. Int J Urol. 2014 Dec; 21(12):1289-90. View in: PubMed

Granular cell tumor of the testicular tunica albuginea: a case report. Appl Immunohistochem Mol Morphol. 2014 May-Jun; 22(5):395-9. View in: PubMed

Denonvilliers' space expansion by transperineal injection of hydrogel: implications for focal therapy of prostate cancer. Int J Urol. 2014 Apr; 21(4):416-8. View in: PubMed

Epidermal growth factor receptor-targeted therapy in squamous cell carcinoma of the penis: a report of 3 cases. Urology. 2014 Jan; 83(1):159-65. View in: PubMed

Percutaneous radiofrequency ablation of virtual tumours in canine kidney using Global Positioning System-like technology. BJU Int. 2012 May; 109(9):1398-403. View in: PubMed

Columnar-lined esophagus without intestinal metaplasia has no proven risk of adenocarcinoma. Am J Surg Pathol. 2012 Jan; 36(1):1-7. View in: PubMed

The dilated distal esophagus: a new entity that is the pathologic basis of early gastroesophageal reflux disease. Am J Surg Pathol. 2011 Dec; 35(12):1873-81. View in: PubMed

A Rare Case Report of Extensive Polyostotic Gorham's Disappearing Bone Disease Involving the Upper Extremity. Case Rep Orthop. 2011; 2011:486756. View in: PubMed

Prediction of patients with acute cholecystitis requiring emergent cholecystectomy: a simple score. Gastroenterol Res Pract. 2010; 2010:901739. View in: PubMed

HER-2 gene amplification, HER-2 and epidermal growth factor receptor mRNA and protein expression, and lapatinib efficacy in women with metastatic breast cancer. Clin Cancer Res. 2008 Dec 01; 14(23):7861-70. View in: PubMed

The pathology of pulmonary sarcoidosis: update. Semin Diagn Pathol. 2007 Aug; 24(3):150-61. View in: PubMed

Adenocarcinomas of the distal esophagus and "gastric cardia" are predominantly esophageal carcinomas. Am J Surg Pathol. 2007 Apr; 31(4):569-75. View in: PubMed

Body mass index is associated with Barrett esophagus and cardiac mucosal metaplasia. Dig Dis Sci. 2006 Sep; 51(9):1589-94. View in: PubMed

A proposal for a new validated histological definition of the gastroesophageal junction. Hum Pathol. 2006 Jan; 37(1):40-7. View in: PubMed

Diagnostic evaluation of HER-2 as a molecular target: an assessment of accuracy and reproducibility of laboratory testing in large, prospective, randomized clinical trials. Clin Cancer Res. 2005 Sep 15; 11(18):6598-607. View in: PubMed

Pleomorphic atypical extraosseous ewing sarcoma in a 25-year-old woman: a cytogenetic diagnosis. Appl Immunohistochem Mol Morphol. 2005 Jun; 13(2):201-4. View in: PubMed

Angiomyolipoma of the kidney: expanding disease spectrum demonstrated by 3 cases. Appl Immunohistochem Mol Morphol. 2004 Sep; 12(3):277-83. View in: PubMed

Histologic classification of patients based on mapping biopsies of the gastroesophageal junction. Am J Surg Pathol. 2003 Jul; 27(7):929-36. View in: PubMed

Leiomyosarcoma of the trachea masquerading as chronic asthma. Respiration. 2002; 69(2):165. View in: PubMed

Perforating Barrett's ulcer resulting in a life-threatening esophagobronchial fistula. Ann Thorac Surg. 2002 Jan; 73(1):302-4. View in: PubMed

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