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  2. CSFP2505 - CMLE/CMLE - Ecchordosis Physaliphora
CSFP2505 - CMLE/CMLE - Ecchordosis Physaliphora
Course Description

Faculty/Authors

Yoad Porat, MD 
Physician Anesthesia Services
Lakewood, Colorado 

Amanda O. Fisher-Hubbard, MD
Department of Pathology, Western Michigan University Homer Stryker Md School of Medicine
Kalamazoo, Michigan 

Rudolph Castellani, MD
Department of Pathology, Northwestern University Feinberg School of Medicine
Chicago, Illinois 

Joseph A. Prahlow MD
Office of The Medical Examiner – City of St. Louis; Department of Pathology, St. Louis University School of Medicine
St. Louis, Missouri 

CME or CMLE Credit: 2.0
Estimated Completion Time: 2 hours
Format: Online Educational Activity and Post Exam

Physician Competencies: Patient Care, Medical Knowledge

Eligibility for CME/CMLE credit: Max three attempts. You will have a maximum of three attempts to meet the following criteria:

  • Module ≥80% = CME credit
  • Module <80% = No CME credit, after a maximum of three attempts

Default Credit Type: None (You must meet the eligibility requirements in order to obtain CME credit.)

Accreditation Statement: The American Society for Clinical Pathology (ASCP) is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education (CME) for physicians. This activity has been planned and implemented in accordance with the Essential Areas and Policies of the Accreditation Council for Continuing Medical Education (ACCME).

Credit Designation Statement: The American Society for Clinical Pathology (ASCP) designates this enduring material for a maximum of 2 AMA PRA Category 1 Credit(s)™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.

Instructions

  1. Review the Technical Considerations.
  2. Click Go to Course to view an overview of the modules in this course.
  3. Click Access to begin the course.
  4. Choose the CME Activity to earn CME credit or the CMLE Activity to earn CMLE credit.

To claim CME credit for the exercise, do the following:

  1. Review the Educational Activity.
  2. Complete and submit the Post Exam. You will have a maximum of three attempts to obtain the required score. You will be notified if you have met the credit requirements after each attempt.
  3. Submit the course Evaluation.
  4. Enter the maximum number of credits offered and click Claim CME to register credit.

To claim CMLE credit for the exercise, do the following:

  1. Review the Educational Activity.
  2. Complete and submit the Post Exam.
  3. Submit the course Evaluation.
  4. Enter the maximum number of credits offered and click Claim CME to register credit.

Faculty Disclosures

Technical Considerations

Release Date: 10/31/2025    
Review Date:
Expiration Date: 12/31/2027   

Learning Objectives
Upon completion of this activity, you will be able to:

  • describe the normal embryologic development and progressive degeneration of the notochord; 

  • detail the types of residual notochord remnants which may persist after embryogenesis; 

  • explain why many people consider ecchordosis physaliphora a hamartomatous process, rather than a neoplastic process; 

  • describe the classical histologic appearance of ecchordosis physaliphora; and 

  • explain the important gross, radiologic, and histologic features which distinguish ecchordosis physaliphora from chordoma and other lesions of the notochord 
Summary
Availability:
On-Demand
Credit Offered:
2 CME Credits
2 CMLE Credits
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