10016 - Panniculitis

Course Director

Alireza Sepehr, M.D., Harvard Medical School


This course provides a comprehensive review of the inflammatory diseases of the subcutaneous adipose tissue, i.e. panniculitis, predominantly from a histopathologic point of view with a major focus on biopsy interpretation. Terminology, a classification of the panniculitites, etiology, and a summary of pathophysiology and clincical aspects of panniculitis are discussed through this course. A library of histopathological images, both of classical cases and also of rare and unusual conditions are included.


AMA PRA Category 1 Credits™

Opus Medicus designates this Internet enduring material for a maximum of 1.5 AMA PRA Category 1 Credits™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.

Maintenance of Certification (MOC) Credits

In addition to AMA PRA Category 1 Credits™, Opus Medicus designates this course for Specialty Board MOC Program Credits:

1.5 ABP CC/MOC Credits1

Accreditation Statement

Opus Medicus is accredited by the Accreditation Council for Continuing Medical Education (ACCME) to provide continuing medical education for physicians.

Tuition Fees

Course & Credits: $39.00

Course Dates

Last Review Date: 24-Jan-2022
Expiration Date: 23-Jan-2025


- To be able to recognize the basic anatomy and understand the physiology of the subcutaneous adipose tissue (panniculus)

- To understand the classification of panniculitides

- To become familiar with the etiology and pathogenesis of the most common variants of panniculitis

- To be able to recognize the most common clinical presentations

- To have an in depth and image-based review of the histopathological features of the common causes of panniculitis with an aim to successfully approach panniculitis from a diagnostic standpoint

- To generate a list of differential diagnoses

- To become familiar with some unusual presentations of panniculitis


- Anatomy and physiology of the panniculus

- The role of stem cells in the panniculus

- Classification of panniculitis

- Erythema nodosum

- Erythema induratum

- Lupus erythematosus panniculitis

- Pancreatic panniculitis

- Infective panniculitis

- Traumatic panniculitis

- Factitial panniculitis

- Lipomembranous fat necrosis

- Subcutaneous Sweet's syndrome

- Subcutaneous panniculitis like T-cell lymphoma

- Cutaneous Rosai-Dorfman disease

- Subcutaneous sarcoidosis

- Spider bites

- Calciphylaxis

- Others

Specific topics covered in this AMA PRA Categogy 1 Credit™ online CME course include Panniculitis, erythema nodosum, erythema induratum, lupus panniculitis, pancreatic panniculitis, traumatic panniculitis, factitial panniculitis, lipomembranous fat necrosis, subcutaneous Sweet's syndrome, subcutaneous panniculitis like T-cell lymphoma, cutaneous Rosai-Dorfman disease, subcutaneous sarcoidosis, spider bites, and calciphylaxis.

American Board of Medical Specialties (ABMS) / Accreditation Council for Graduate Medical Education (ACGME) Competencies

☑  Patient Care (PC)
☑  Medical Knowledge (MK)

Financial Relationship Disclosure and Content Attestation

Dr. Alireza Sepehr, Course Director, attests that he has no financial relationships with a commercial entity producing health-care related products and/or services. Dr. Steven R. Tahan, Education Committee Chair, attests that commercial entities with which he has relationships do not produce health-care related products or services relevant to the content of this course. No other person who has provided content for or who can influence the content of this course has disclosed financial relationships with commercial entities that produce health care-related products or services relevant to the course content.

There has been no commercial support for this course.

Supported Computer Hardware and Software Configurations2

Supported client computing platforms include:

A broadband Internet connection is required (e.g., cable, DSL, and 3G or 4G wireless). The course presentation is automatically scaled to the size of the display, from 800x480 pixels (minimum supported) to 1920x1200 pixels. On some smart phones, viewing courses may be tedious.

Supported browsers include:

Javascript, cookies, and popups must be enabled on your browser (which is the default configuration for most browsers).

1. Successful completion of this CME activity, which includes participation in the evaluation component, enables the participant to earn up to 1.5 CC/MOC credits for the American Board of Pathology (ABP) Continuing Certification (CC) / Maintenance of Certification (MOC) Program, in addition to AMA PRA Category 1 Credits™. Participants will earn CC/MOC credits equivalent to the amount of AMA PRA Category 1 credits claimed for the activity. Immediately upon course completion, Opus Medicus will submit participant completion information to ACCME for the purpose of granting ABP CC/MOC credit.

2. The course may also be viewable on other client computing platforms that comply with Internet standards. If you experience technical problems that prevent you from viewing the course, we will promptly issue a full refund upon request.