Education and Training

Pediatric Pathology Fellowship 

Boston Children’s Hospital offers a one-year ACGME-approved training program in pediatric pathology, allowing subspecialty Board certification in pediatric pathology. In anatomic pediatric pathology, the training program is based primarily upon the study and reporting of surgical specimens and the performance of autopsies. In addition, fellows receive training by pediatric subspecialty pathologists in the fields of pulmonary pathology, neuropathology, dermatopathology, gastrointestinal pathology, cardiac pathology (congenital heart), renal pathology, electron microscopy, hematopathology, immunopathology, cytogenetics and molecular diagnostics. The program includes rotations at the Brigham and Women’s Hospital in perinatal and placental pathology and in teratology. Opportunities for training in clinical pathology, pediatric forensic pathology, and for research are available.

Types and Numbers of Appointments

A total of 3 positions are offered. The level of appointment is based upon the applicant’s previous pathology training and experience. Board certification or eligibility in anatomic pathology is generally required, although exceptional candidates may enter the fellowship after 2 years of AP training. A second year fellowship, with a focus in one area of pediatric pathology and/or research may also be available.


Address inquiries to our Program Coordinator:

Katelynn Aceto, MS
Department of Pathology - 190 Farley-BCH 3027
Boston Children’s Hospital
300 Longwood Avenue
Boston, MA 02115

Phone: 857-218-3283
Fax: 617-730-0207

Pediatric Pathology Clinical Fellows 2021-2022:

Catherine Gestrich, D.O. John Patrick O’Neill, M.D. Jonathan Slack, M.D.


Boston Children’s Hospital is an affiliate and immediate neighbor of Harvard Medical School. We are located within the Longwood Medical community, home to several world-renowned institutions and resources such as Brigham and Women’s Hospital, Beth Israel Deaconess Medical Center, Dana-Farber Cancer Institute, Harvard School of Public Health, and the Countway Medical Library of Harvard.


Rotation Summary

In addition to rotations on the general pediatric surgical pathology, gastrointestinal pathology and autopsy services, the curriculum includes focused rotations in perinatal pathology, pediatric neuropathology and pediatric hematopathology. Elective time is available for clinical and/or nonclinical pursuits. Academic time without clinical responsibilities provides an opportunity for the fellow to engage in a project with the goal of peer-reviewed publication.

Application Instructions

Applicants must be either graduates of approved medical schools in the United States and Canada or hold a valid ECFMG certificate. Applications are available on the link below and should be completed by August 30th for appointments beginning July 1 of the following year. However, it is recommended that applicants apply two years in advance of the fellowship start date, as the program usually fills within that time frame.

Access Our Fellowship Application Form

Observership Program Application Instructions

For international physicians who are interested in observing our physicians please contact our Observership Program here:

Access Our Observership Program Application Form

Boston Life

Information on housing, transportation and life in Boston is available here.

Links to Graduate Programs

Our faculty interact with students from the following Harvard University graduate programs:

Biological and Biomedical Sciences




Harvard/MIT MD/PhD program

We also participate in teaching an HMS Pathology course for graduate students: 

Pathology of Human Disease: Human Biology and Translational Medicine 2000

Visit the HMS Pathology website