Muhammad "Masood Muhammad" M. Hassan, MD
Assistant Professor
Department:
SOM-Pathology
Email:
mhassan1@umc.edu
Work Phone:
(601) 984-1530
Biography
Muhammad Masood Hassan, MD, FCAP, is a board-certified Anatomic and Clinical Pathologist and Assistant Professor of Anatomic Pathology at the University of Mississippi Medical Center (UMMC) in Jackson, Mississippi. He serves as Section Head of Breast and GYN Pathology and Associate Program Director of the Pathology Residency Program, with clinical expertise in breast, gynecologic, genitourinary, and head and neck pathology, as well as frozen section diagnosis.
Dr. Hassan completed fellowship training in Gynecologic and Breast Pathology and Selective Surgical Pathology at Washington University School of Medicine in St. Louis. His academic interests include breast pathology, diagnostic quality improvement, multidisciplinary patient care, and pathology education. He is actively involved in resident and medical student education, mentorship, curriculum development, and clinical research, with numerous peer-reviewed publications, abstracts, and case reports.
His approach to pathology emphasizes accurate and timely diagnosis, appropriate use of ancillary studies, clinicopathologic correlation, and close communication with clinical teams. Through his clinical, educational, and leadership roles, Dr. Hassan is committed to advancing high-quality patient care while mentoring the next generation of pathologists.
Education
| Washington University School of Medicine, Breast and GYN pathology | 2022 |
| Washington University School of Medicine, Surgical Pathology | 2021 |
| East Carolina University, Pathology | 2020 |
| Howard University Hospital, Pathology | 2019 |
| Jinnah Hospital Lahore, Internship | 2014 |
| Allama Iqbal Medical College, MBBS, Bachelor of medicine | 2013 |
Specialty Certification Licensure
| Licensure, Medical license, Missouri Board of Registration for the Healing Arts | 06/2021 - Present |
| Licensure, Medical license, North Carolina Medical Board | 07/2019 - Present |
| Licensure, Medical license, DC Department of Health | 06/2016 - Present |
| Licensure, Medical license, Commonwealth of Pennsylvania, Department of State | 10/2019 - Present |
| Certification, Diplomate and certified, American board of pathology | 10/2020 - Present |
| Licensure, The Mississippi State Board of Medical Licensure, The Mississippi State Board of Medical Licensure | 11/2021 - 06/2027 |
Publications
Journal Article | |
| Anas Mohamed, Muhammad Masood Hassan, Wen Zhong, Aisha Kousar, Kotaro Takeda, Deepak Donthi , Areeba Rizvi, Marwan Majeed, Ahmed I Younes, Ahlam Ali, Ann Sutton, Gina Murray, Abdullah Thayyil, John Fallon , Kim Geisinger A Quantitative and Qualitative Assessment of Frozen Section Diagnosis Accuracy and Deferral Rate Across Organ Systems | 2022 |
| J. Stephen Stalls , Anas Mohamed , Masood Hassan , Kim Geisinger , Anuradha Kanungo , Moiz Vora , Anokhi Patel Primary bilateral adrenal lymphoma masquerading as a metastatic melanoma: An unusual presentation of a rare disease | 2022 |
| Muhammad M Hassan, Amy E Cyr, Ian S Hagemann Estimating the Breast Cancer Risk Conferred by Germline Mutations | 2022 |
| Helen M Johnson, Anas Mohamed, Muhammad M Hassan, Joseph Geradts, Lauren Geisel, Nasreen A Vohra, Jan H Wong Race-Related Differences in the Clinical Presentation and Histopathologic Features of Phyllodes Tumor | 2021 |
Abstracts | |
| Hassan MM; Khan FA; Zafar R; Naab T. HSV Infection With Florid T Cell Proliferation Mimicking Lymphoma in an HIV Positive Male Presenting With Leukoplakia and Tender Oral Masses. American Journal of Clinical Pathology, 2018. | 2018 |
| Hassan MM; Khan FA; Zafar R; Naab T. Roseomonas, an Emerging Opportunistic Pathogen. American Journal of Clinical Pathology American Journal of Clinical Pathology, 2018. | 2018 |
| Hassan MM; Khan FA; Naab T. High Prevalence of Adenomas and Advanced Adenomas in a Predominantly African American Population on Free Screening Colonoscopy American Journal of Clinical Pathology, 2018. | 2018 |
| Hassan MM; Khan FA; Naab T. Expression of miRNA 150 5p in Triple Negative Breast Cancer of African American and Non Hispanic White Patients United States and Canadian Academy of Pathology | 2018 |
| Hassan MM; Khan FA; Zafar R; Naab T. Separate Metastatic Foci Of Squamous Cell Carcinoma And Adenocarcinoma Consider Primary High Grade Urothelial Carcinoma American Journal of Clinical Pathology, 2018. | 2018 |
| Wooten MS; Hassan MM; Rogers TE; Farris AB; Ogan K; Ellis CL. Increasing Tumor Burden in Radical Nephrectomy Specimens Corresponds to a Positive Delta in Estimated Glomerular Filtration Rate Over Time. | 2017 |
| Navdeep Kaur; Javaria A. Khan; Jinghe Mao; Diva Melvin; Muhammad M. Hassan; Xinchun Zho Disparities of triple negative breast cancer in Mississippi Cancer Res (2024) 84 (6_Supplement): 1014. | |
| Ramsha Khan, MD; Swathi Yarlagadda, MD; Muhammad Hassan, MD; Azniv Azar, MD. Wolffian Tumor of the Ovary: A Clinicopathologic Series Highlighting Diagnostic Pitfalls, Recurrence, and the Critical Role of Gross Examination. College of American Pathologists 2026 Annual Meeting | |
| Swathi Yarlagadda, Vamshi Vasantha Raya Gorantla, Muhammad Masood Hassan. Occult Breast Carcinoma Presenting as Isolated Axillary Lymph Node Metastasis Mississippi Academy of Sciences Annual Meeting, March 2026. | |
| Siddiqui IS; Khan R; Hassan MM. Solid Papillary Carcinoma of the Breast: A Case Report Highlighting Radiologic Pathologic Discrepancy and Sampling Importance. Mississippi Academy of Sciences Annual Meeting, March 2026. | |
| Ajmal I; Hassan M. Multicystic Ovarian Mass With Increased Tumor Markers and Clinical Impression of Metastatic Spread. Archives of Pathology & Laboratory Medicine, 2023. | |
| Pettit K; Rahmanov N; Hassan MM. A Challenging Case of Atypical Papillary Proliferation of the Nipple With Loss of Myoepithelial Cells: A Diagnostic Dilemma. A Challenging Case of Atypical Papillary Proliferation of the Nipple With Loss of Myoepithelial Cells: A Diagnostic Dilemma. American Journal of Clinical Pathology.2022 | |
| Hassan MM; Naab T; Afsari A. Umbrella Cells Mimicking Focal High Grade Urothelial Carcinoma in Low Grade Papillary Urothelial Carcinoma. American Journal of Clinical Pathology, 2019. | |
| Hassan MM; Naab T; Afsari A. Paracoccus yeei, a Rare Cause of Ocular Infection. American Journal of Clinical Pathology, 2019. | |
| Hassan MM; Naab T. Thyroid Transcription Factor 1 Positive Adenocarcinoma in a Solitary Lung Mass Not Always a Primary Lesion. American Journal of Clinical Pathology, 2019. | |
| Hassan MM; Naab T; Afsari A. Diagnostic Dilemma of Epithelial Signet Ring Cells in Calculous Cholecystitis. American Journal of Clinical Pathology, 2019. | |
| Hassan MM; Naab T; Zhou J; Afsari A. Hemorrhagic Necrotizing Pneumonia Caused by Trichosporon asahii Suspected by Distinctive Histology in Tissue. American Journal of Clinical Pathology, 2019. | |
| Hassan MM; Naab T: Edwards M; Ayoola R. Pancreatic Acinar Cell Carcinoma With Lipase Hypersecretion Syndrome American Journal of Gastroenterology, 2019. | |
| Hassan MM; Naab T. Incidental Finding of Intramucosal Signet Ring Cell Gastric Carcinoma. American Journal of Clinical Pathology, 2018. | |
| Hassan MM; Naab T. Amyloidoma Mimicking Metastatic Breast Carcinoma. American Journal of Clinical Pathology, 2018. | |
| Hassan MM; Naab T Mucocele Causing Hydropic Gallbladder. American Journal of Clinical Pathology, 2018. | |
Book Chapter | |
| Hassan MM, Ashley Illingworth. Manual of Pathologic Grossing: A Deliberative Approach by Ashley Illingworth | 2024 |
Honors, Awards, and Recognition
| Fellow of the Month, Washington University, St. Louis | 2020 |
Professional Membership and Service
| Mississippi association of pathologists, Member | 2024 - Present |
| United states and canadian academy of pathology, Member | 2018 - Present |
| College of american pathologists, Member | 2016 - Present |
Committee Service
| Clinical Member Cancer Center and Research Institute Membership Committee, Member | 2026 - 2027 |
| PhD Advisory Committee Cell and Molecular Biology Program at UMMC, Member | 2026 - Present |
| Member of RRSC at GME University of Mississippi medical center, Member | 2025 - 2026 |
| ANATOMICAL/CLINICAL PATHOLOGY CLINICAL COMPETENCY COMMITTEE, Member | |
| ANATOMICAL/CLINICAL PATHOLOGY RESIDENCY REVIEW COMMITTEE (RRC), Member | |
| ANATOMICAL/CLINICAL PATHOLOGY INTERVIEW COMMITTEE, Member | |
| ANATOMICAL/CLINICAL PATHOLOGY PROGRAM EVALUATION COMMITTEE, Member |
Community Service
| GWIMS - Breast Cancer Awareness Event!, Moderator | 10/2024 - 10/2024 |
Teaching Experience
| Graduate, Lecture, Facilitator, Fostering Collaborative Relationships with Residents Through Service | Winter 2025 - 2025 |
| Dentistry, Lecture, Lecturer, The Breast Pathology | Summer 2024 |
| Graduate, Course, Lecturer, Benign epithelial proliferations and precursors | Annual 2024 - 2024 |
| Graduate, Lecture, Lecturer, Papillary neoplasms of Breast 1 | Annual 2024 - 2024 |
| Graduate, Lecture, Lecturer, Invasive and Non-invasive lobular neoplasia | Annual 2024 - 2024 |
| Graduate, Lecture, Lecturer, Fibroepithelial tumours and hamartomas of the breast | Annual 2024 - 2024 |
| Graduate, Lecture, Course Presenter, Breast Slide Conference: Interesting Cases Overview, Pathology resident Lectures | Annual 2024 - 2024 |
| Medicine, Lecture, Lecturer, M4 Boot camp - Autopsy | Winter 2023 - 2023 |
| Medicine, Lecture, Lecturer, Surgical Pathology | Winter 2023 - 2023 |
| Medicine, Course, Lecturer, Introduction to Forensics and Death Investigation | Winter 2023 - 2023 |
| Dentistry, Lecture, Lecturer, The Breast | Annual 2023 - 2023 |
| Medicine, Course, Lecturer, Organ Recital/Insight Summer Enrichment | Summer 2023 - 2023 |
| Dentistry, Course, Lecturer, The Breast | Summer 2023 - 2023 |
| Medicine, Course, Lecturer, The breast 1,2 | Annual 2023 - 2023 |
| Medicine, Course, Lecturer, The Breast Pathology 3 | Summer 2023 - 2023 |
| Medicine, Course, Lecturer, Breast Pathology 1, 2, 3 | Fall 2023 - 2023 |
| Medicine, Course, Lecturer, Autopsy Pathology Boot Camp | Spring 2022 - 2022 |
| Medicine, Course, Lecturer, The Breast Pathology | Summer 2022 - 2022 |
| Dentistry, Course, Lecturer, Breast Pathology for Dental Students | Summer 2022 - 2022 |
| Medicine, Lecture, Lecturer, General and Systemic Pathology course Orientation | Summer 2022 - 2022 |
| Medicine, Lecture, Lecturer, Breast Pathology 1 | Fall 2022 - 2022 |
| Medicine, Lecture, Lecturer, Breast Pathology 2 | Fall 2022 - 2022 |
| Medicine, Lecture, Lecturer, Breast Pathology 3 | Fall 2022 - 2022 |
| Medicine, Lecture, Lecturer, M4 Transition to Residency Boot Camp | Winter 2022 - 2023 |
| Graduate, Course, Lecturer, Introduction of Breast Pathology-A Comprehensive Overview Pathology resident Lectures | Annual 2022 |
| Graduate, Lecture, Lecturer, Intraductal Proliferations of Breast-Pathology resident Lectures | Annual 2022 |
| Graduate, Lecture, Lecturer, Invasive Breast Cancer | Annual 2022 |
| Graduate, Course, Lecturer, Prognostic factors for Breast Cancer | Annual 2022 |
| Graduate, Course, Lecturer, Unknown Slide Session on Breast Pathology | Annual 2022 |
Directed Student Learning
| Supervised Research, Advised: Shashi Anand, Rhea Kishore | |
| Research Advisor, Advised: Farah Hamdad |
Fellows supervised
| Breast Radiology Program, Attending Physician, 8 fellows supervised | 11/2021 - Present |
Residency Training
| ANATOMICAL/CLINICAL PATHOLOGY RESIDENCY, Assoc. Program Director | 2023 - Present |