GI INSTITUTE
INSTITUTE OF GASTROINTESTINAL PATHOLOGY AND DIGESTIVE DISEASE
AmeriPath’s Institute of Gastrointestinal Pathology and Digestive Disease is a national resource that provides services focused upon primary diagnosis, consultations, education, and research. The institute’s director, Robert E. Petras, M.D., has received worldwide acclaim for his expertise and contributions to GI pathology and disease management.
AmeriPath’s Institute of Gastrointestinal Pathology and Digestive Disease is a national resource that provides services focused upon primary diagnosis, consultations, education, and research. The institute’s director, Robert E. Petras, M.D., has received worldwide acclaim for his expertise and contributions to GI pathology and disease management.
Services provided by the GI Institute:
- Primary diagnosis and second-opinion consultations to gastroenterologists nationwide
- Leadership and expertise to AmeriPath’s referring physicians, residents, and network of pathologists subspecializing in GI pathology
- Consultations from Director Robert E. Petras, M.D., Terry Gramlich, M.D., and their staff of GI and liver specialists
- Educational services for physicians and residents via clinically-oriented, national speaking engagements and continuing medical education (CME) programs
- One-to-two year fellowship program in GI pathology
Comprehensive Test Menu
Histology Services:
- Routine histology on mucosal biopsies
- Special stains
- Immunohistochemistry (IHC)
Cytology Services:
- Exfoliated (brushings, lavages, fluids)
- Non-Exfoliated (fine-needle aspirations, touch preparations)
Colon Cancer Studies:
- IHC profile of DNA mismatch repair genes hMLH1, hMSH2, and hMSH6
- Microsatellite instability testing by polymerase chain reaction (PCR)
- EGFR pharmDx™
Prognostic Tumor Markers:
- DNA flow cytometry
- Tumor suppressor target gene p53 by IHC
- Subunit p52
- Cathespin D
Focus on Education
- GI pathology fellowship program:
- AmeriPath’s GI Institute offers fully-funded, one-to-two year fellowships in GI pathology.
- Primary focus is on diagnostic GI and liver pathology with more than 35,000 cases
- Routine cases are augmented by an in-depth review of the more complicated cases that merited consultation with Dr. Petras and/or Dr. Gramlich.
- Dr. Petras lectures extensively at major universities, regional society meetings, and national/international conferences and seminars.
Enhanced Image Reports
- Detailed diagnostic reports
- High-resolution color photomicrographs provide a representation of the key pathological findings
- Color-coded, anatomic mapping to easily view the distribution and severity of disease
- Upper GI report samples:
- Lower GI report samples
- Chemotherapy induced colitis
- Collagenous colitis
- Intramucosal neuroma
- Intestinal Spirochetosis
Access GI Expertise Now!
To find out how AmeriPath can help you better serve your patients, please contact us today.













