Appendiceal Neoplasia Pain Points and Gray Zones - GIAPPNEO02W.2021
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This anatomic pathology activity is intended for pathologists who have basic to moderate knowledge and skills in gastrointestinal pathology and want to develop their skills in diagnosing appendiceal cancer.

Credit Type: CME
Duration: 1 hour
Launch Date: February 8, 2021
Expiration Date: February 7, 2024 12:00 AM (ET)
Pricing: Junior Member Fee: $10.00
MOC Category: Medical Knowledge. Patient Care

This activity discusses the spectrum of mucinous neoplasia (cystadenoma, low-grade appendiceal mucinous neoplasm, HAMN, MACA), World Health Organization guidelines and new terminology, goblet cell lesions terminology, gray zones and staging, and the pain points and pitfalls. This activity was originally presented at CAP20 as part of the activity Gastrointestinal, Liver, and Pancreaticobiliary Neoplasms: Precursors and Progeny Charting the Course.

As a result of participating in this assessment activity, you should be able to:

  1. Apply morphologic diagnostic criteria to distinguish between cystadenoma, low-grade appendiceal mucinous neoplasm, HAMN, and MACA.
  2. Review the new World Health Organization guidelines and terminology.

CME Information
Accreditation: The College of American Pathologists (CAP) is accredited by the Accreditation Council for Continuing Medical Education (ACCME) to provide continuing medical education for physicians.

CME Category 1: The College of American Pathologists designates this internet enduring material educational activity for a maximum of 1 AMA PRA Category 1 Credit™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.

Passing Requirements
You must answer the assessment questions and complete the evaluation to claim credit and print your certificate.

Payment Information
To pay with a check, print a copy of this page and send it with your check to the address below. You will be notified when your payment has been processed and you have been registered into the activity.

College of American Pathologists
Education Division
325 Waukegan Road
Northfield, IL 60093-2750

Refund Policy
Refunds will be handled on an exception basis. Please submit your request to the CAP in writing via email at or fax at 847-832-8006.

Technical Requirements
Pop-up blockers must be turned off.

CAP Learning has recognized that some Veteran’s Administration, US Government, and military participants may have difficulty accessing the online assessment portion of this activity. If you experience difficulty or have any questions, please contact a representative of the CAP Learning Division at 800-323-4040 option 1 or

This activity and evaluation are available February 8, 2021, and expire February 7, 2024, at 12:00 AM (ET). You MUST claim credit by this date and time.


Non-Member Price:   $46.00  
Member Price:  $35.00   

Appendiceal Neoplasia Pain Points and Gray Zones