Zubair W. Baloch, MD, PhD

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Zubair W. Baloch, MD, PhD, of the Hospital of the University of Pennsylvania, collaborates in the care of patients treated by the Pediatric Thyroid Center at Children’s Hospital of Philadelphia.

Locations: Main Hospital
Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467)

Education and Training

Medical School

MD - Liaquat Medical College, Jamshoro Sind Pakistan


Pathology - Hahnemann University, Philadelphia, PA (Chief Resident)


Oncologic Surgical Pathology - Memorial Sloan-Kettering Cancer Center, New York, NY
Cytopathology - Hospital of the University of Pennsylvania, Philadelphia, PA

Board Certification

Anatomic and Clinical Pathology – American Board of Pathology
Cytopathology – American Board of Pathology

Graduate Degree

PhD - Hahnemann University, Philadelphia
MS - Hahnemann University, Philadelphia

Titles and Academic Titles

CHOP Consultant


Professor of Pathology and Laboratory Medicine at the Hospital of the University of Pennsylvania

Departments and Services

Research Interests

Molecular and immunopathology of thyroid neoplasia

Selected Publications


A contemporary update on hyalinizing clear cell carcinoma: compilation of all in-house cases at our institution and a literature review spanning 2015-2020. Gubbiotti MA, Montone K, Zhang P, Livolsi V, Baloch Z., Hum Pathol 111(): 45-51, 2021, PMID:33577927

Fine needle aspiration of salivary gland carcinomas with high-grade transformation: A multi-institutional study of 22 cases and review of the literature. Nakaguro M, Faquin WC, Baloch ZW, Cantley RL, Compton ML, Ely KA, Holmes BJ, Hu R, Kerr DA, Montone KT, Nishino M, Pantanowitz L, Rossi ED, Sadow PM., Cancer Cytopathol 129(): 318-325, 2021, PMID:33211402

ThyroSeq v3 for Bethesda III and IV: An institutional experience. Desai D, Lepe M, Baloch ZW, Mandel SJ, Cancer Cytopathol[Epub Ahead of Print] 129(2): 164-170, 2021

NTRK Fusions Identified in Pediatric Tumors: The Frequency, Fusion Partners, and Clinical Outcome. Zhao X, Kotch C, Fox E, Surrey LF, Wertheim GB, Baloch ZW, Lin F, Pillai V, Luo M, Kreiger PA, Pogoriler JE, Linn RL, Russo PA, Santi M, Resnick AC, Storm PB, Hunger SP, Bauer AJ, Li MM., JCO Precis Oncol 1(): PO, 2021, PMID:34036219

Assessing the diagnostic accuracy for pleomorphic adenoma and Warthin tumor by employing the Milan System for Reporting Salivary Gland Cytopathology: An international, multi-institutional study. Allison DB, Smith AP, An D, Miller JA, Shafique K, Song S, Viswanathan K, Eykman E, Rao RA, Wiles A, Barkan GA, Nayar R, Fadda G, Powers CN, Rossi ED, Siddiqui MT, Ali SZ, Kholová I, Layfield LJ, Field A, Baloch Z, Maleki Z., Cancer Cytopathol 129(): 43-52, 2021, PMID:32767837

American Association of Clinical Endocrinology And Associazione Medici Endocrinologi Thyroid Nodule Algorithmic Tool. Garber JR, Papini E, Frasoldati A, Lupo MA, Harrell RM, Parangi S, Patkar V, Baloch ZW, Pessah-Pollack R, Hegedus L, Crescenzi A, Lubitz CC, Paschke R, Randolph GW, Guglielmi R, Lombardi CP, Gharib H., Endocr Pract ndocr Pract(): , 2021, PMID:34090820

Diagnostic performance of Milan system for reporting salivary gland cytopathology: A prospective study. Hosseini SM, Resta IT, Baloch ZW., Diagn Cytopathol iagn Cytopathol(): , 2021, PMID:33823076

Papillary Thyroid Microcarcinomas: Does Sub-typing Predict Aggressive Clinical Behavior?. Gubbiotti MA, Livolsi V, Montone K, Baloch Z., Hum Pathol um Pathol(): , 2021, PMID:33971214


Global impact of the COVID-19 pandemic on cytopathology practice: Results from an international survey of laboratories in 23 countries. Vigliar E, Cepurnaite R, Alcaraz-Mateos E, Ali SZ, Baloch ZW, Bellevicine C, Bongiovanni M, Botsun P, Bruzzese D, Bubendorf L, Büttner R, Canberk S, Capitanio A, Casadio C, Cazacu E, Cochand-Priollet B, D'Amuri A, Eloy C, Engels M, Fadda G, Fontanini G, Fulciniti F, Hofman P, Iaccarino A, Ieni A, Jiang XS, Kakudo K, Kern I, Kholova I, Liu C, Lobo A, Lozano MD, Malapelle U, Maleki Z, Michelow P, Musayev J, Özgün G, Oznur M, Peiró Marqués FM, Pisapia P, Poller D, Pyzlak M, Robinson B, Rossi ED, Roy-Chowdhuri S, Saieg M, Savic Prince S, Schmitt FC, Javier Seguí Iváñez F, Štoos-Veić T, Sulaieva O, Sweeney BJ, Tuccari G, van Velthuysen ML, VanderLaan PA, Vielh P, Viola P, Voorham R, Weynand B, Zeppa P, Faquin WC, Pitman MB, Troncone G., Cancer Cytopathol 128(): 885-894, 2020, PMID:33108683

Predicting Metastatic Potential in Pheochromocytoma and Paraganglioma: A Comparison of PASS and GAPP Scoring Systems. Wachtel H, Hutchens T, Baraban E, Schwartz LE, Montone K, Baloch Z, LiVolsi V, Krumeich L, Fraker DL, Nathanson KL, Cohen DL, Fishbein L., J Clin Endocrinol Metab 105(): e4661-70, 2020, PMID:32877928

Awards and Honors

2021, Simon Flexner Award for Graduate Education. Department of Pathology and Laboratory Medicine. University of Pennsylvania, Perelman School of Medicine
2020, H.P. Smith Award for Distinguished Pathology Educator. American Society of Clinical Pathology
2018-2019, Educator of The Year Award. Papanicolaou Society of Cytopathology
2018-2022, Philadelphia Magazine Top Doctors
2015, Presidents Award of Service. American Society of Clinical Pathology
2014, Mastership in Pathology. American Society of Clinical Pathology Award
2012-2022, Best Doctors in America
2011-2018, US News Top Doctors
2010, Peter C Nowell Teaching Award. Department of Pathology & Laboratory Medicine. University of Pennsylvania Medical Center
2009, Kevin Salhany Teaching Award. Department of Pathology & Laboratory Medicine. University of Pennsylvania Medical Center
1994, Sigma Xi
1991, Who's Who Among Graduate Students
1990-1991, Deans List, Hahnemann University, Philadelphia
1984, Best Graduate, Liaquat Medical College, Pakistan

Leadership and Memberships

Memberships in Professional Organizations

2009-present, Endocrine Society
2002-present, Papanicolaou Society
1999-present, Arthur Prudy Stout Society of Surgical Pathologist
1997-present, American Association for Clinical Endocrinologist
1997-present, American Thyroid Association
1997-present, College of American Pathologist
1997-present, American Society of Cytopathology
1997-present, Endocrine Pathology Society
1995-present, United States and Canadian Academy of Pathology
1995-present, American Society of Clinical Pathologists