John Hart, MD

  • Professor of Pathology
    Professor of Medicine
  • Clinical Interests: Barretts Esophagus, Gastrointestinal Pathology, IBDRelated Cancer, IBDRelated Dysplasia, Liver Cancer, Pancreatic Cancer, Stomach Cancer
  • Research and Scholarly Interests: Barrett Esophagus, Celiac Disease, Hepatic Carcinogenesis, Inflammatory Bowel Diseases, NASH Pathogenesis
  • Websites: Research Network Profile
  • Contact: jhart@bsd.uchicago.edu

Dr. Hart is a gastrointestinal and hepatic pathologist with expertise in the full range of neoplastic and non-neoplastic diseases of the gastrointestinal tract and liver.

UCLA Medical Center
Residency - Anatomic and Clinical Pathology
1986

UCLA Medical Center
Fellowship - Gastrointestinal and Hepatic Pathology
1986

University of Iowa
MD
1982

Screening at the scope: enhancing the role of pathologists in diagnosing gastrointestinal polyposis syndromes.
Screening at the scope: enhancing the role of pathologists in diagnosing gastrointestinal polyposis syndromes. Virchows Arch. 2025 May 13.
PMID: 40358740

The Histologic Spectrum of Rituximab-Associated Common Variable Immunodeficiency-Like Enteropathy.
The Histologic Spectrum of Rituximab-Associated Common Variable Immunodeficiency-Like Enteropathy. Mod Pathol. 2025 Apr 11; 38(8):100770.
PMID: 40222650

Clinicopathologic Features of Gastrointestinal Tract Langerhans Cell Histiocytosis.
Clinicopathologic Features of Gastrointestinal Tract Langerhans Cell Histiocytosis. Mod Pathol. 2024 Sep; 37(9):100543.
PMID: 38897453

Histologic Features of Mycobacterial Spindle Cell Pseudotumors: A Multi-institutional Clinicopathologic Analysis of 14 Cases.
Histologic Features of Mycobacterial Spindle Cell Pseudotumors: A Multi-institutional Clinicopathologic Analysis of 14 Cases. Am J Surg Pathol. 2024 Jul 01; 48(7):890-900.
PMID: 38726848

Banff 2022 Liver Group Meeting report: Monitoring long-term allograft health.
Banff 2022 Liver Group Meeting report: Monitoring long-term allograft health. Am J Transplant. 2024 Jun; 24(6):905-917.
PMID: 38461883

Clinical Data Do Not Reliably Predict Duodenal Histology at Follow-up in Celiac Disease: A 13 Center Correlative Study.
Clinical Data Do Not Reliably Predict Duodenal Histology at Follow-up in Celiac Disease: A 13 Center Correlative Study. Am J Surg Pathol. 2024 Feb 01; 48(2):212-220.
PMID: 37994653

A novel telomere biology disease-associated gastritis identified through a whole exome sequencing-driven approach.
A novel telomere biology disease-associated gastritis identified through a whole exome sequencing-driven approach. J Pathol Clin Res. 2024 Jan; 10(1):e349.
PMID: 37994393

Erythrophagocytosis is not a reproducible finding in liver biopsies, and is not associated with clinical diagnosis of hemophagocytic lymphohistiocytosis.
Erythrophagocytosis is not a reproducible finding in liver biopsies, and is not associated with clinical diagnosis of hemophagocytic lymphohistiocytosis. Virchows Arch. 2024 Jan; 484(1):61-69.
PMID: 37924345

Lymphoglandular Complex-Like Colorectal Carcinoma-A Series of 20 Colorectal Cases, Including Newly Reported Features of Malignant Behavior.
Lymphoglandular Complex-Like Colorectal Carcinoma-A Series of 20 Colorectal Cases, Including Newly Reported Features of Malignant Behavior. Am J Surg Pathol. 2024 Jan 01; 48(1):70-79.
PMID: 38054635

Portosinusoidal Vascular Disorder: A Heretofore Unrecognized Manifestation of Sickle Cell Disease?
Portosinusoidal Vascular Disorder: A Heretofore Unrecognized Manifestation of Sickle Cell Disease? Mod Pathol. 2024 Jan; 37(1):100351.
PMID: 37820763

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