Rheumatoid Nodule - Palisaded Necrobiotic Granuloma in Rheumatoid Arthritis (Emory case 1)

Jerad Gardner, MD
Jerad Gardner, MD
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Published 2022-02-20
This is an excerpt from my virtual slide session for the Emory University dermatology residents on 12.17.2020. Full video of the entire session is available for free here: kikoxp.com/posts/3831.
WSI Digital slide for this case: kikoxp.com/posts/3741.

A complete organized library of all my videos, digital slides, pics, & sample pathology reports is available here: kikoxp.com/posts/5084 (dermpath) & kikoxp.com/posts/5083 (bone/soft tissue sarcoma pathology).

Please check out my Soft Tissue Pathology & Dermatopathology survival guide textbooks: bit.ly/2Te2haB ‬

This video is geared towards medical students, pathology or dermatology residents, or practicing pathologists or dermatologists. Of course, this video is for educational purposes only and is not formal medical advice or consultation.

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All Comments (4)
  • @andresangel62
    Summary: Multiple confluent necrobiotic granulomas in dermis or subcutis, close to joints or bursa. Bland row or histiocytes palisading around reddish fibrinoid necrobiotic center. Diff Dx with Epithelioid Sarcoma (center with tumoral necrosis, not fibrinoid necrosis and atypical cells are keratin + and INI -). If concern with atypical mycobacterium, do AFB.