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Immunohistochemistry in Normal Skin: p63, EMA, desmin, SMA, CD34, Factor XIIIa 

Jerad Gardner, MD
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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).
Before you can use immunostains to help recognize different tumors and diseases in dermpath, you must first understand how they stain the normal structures in the skin. In this video we will discuss these various markers and how they are expressed in the normal skin structures:
p63 (and p40): 0:00
Epithelial membrane antigen (EMA): 3:30
Desmin: 8:22
Mast cells staining non-specifically with various IHC stains: 10:40
Smooth muscle actin (SMA): 12:00
CD34: 14:47
Factor XIIIa: 19:00
Our papers on Factor XIIIa AC-1A1 in sebaceous neoplasms:
www.ncbi.nlm.nih.gov/pubmed/2...
www.ncbi.nlm.nih.gov/pubmed/2...
Other videos that might be useful:
Normal Skin Histology video: kikoxp.com/posts/3660
Immunohistochemistry in Normal Skin - Cytokeratins:
kikoxp.com/posts/3806
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.
Presented by Jerad M. Gardner, MD. Please subscribe to my channel to be notified of new pathology teaching videos.
Follow me on:
Snapchat: JMGardnerMD
Twitter: @JMGardnerMD
Instagram: @JMGardnerMD
Facebook: / jmgardnermd

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3 июл 2024

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Комментарии : 34   
@JMGardnerMD
@JMGardnerMD 3 года назад
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).
@orionodin368
@orionodin368 2 года назад
Sorry to be so off topic but does any of you know a way to log back into an instagram account..? I was stupid forgot the account password. I appreciate any help you can give me
@enzonikolai9939
@enzonikolai9939 2 года назад
@Orion Odin instablaster ;)
@orionodin368
@orionodin368 2 года назад
@Enzo Nikolai I really appreciate your reply. I got to the site through google and Im trying it out now. Seems to take quite some time so I will reply here later when my account password hopefully is recovered.
@orionodin368
@orionodin368 2 года назад
@Enzo Nikolai it worked and I now got access to my account again. Im so happy:D Thanks so much you really help me out :D
@enzonikolai9939
@enzonikolai9939 2 года назад
@Orion Odin You are welcome =)
@robkowtoniuk4452
@robkowtoniuk4452 6 лет назад
Thank you for all your videos! please keep making them!
@miladisamira6535
@miladisamira6535 3 года назад
Thank you so much Dr Gardner
@sahilchhabra8154
@sahilchhabra8154 6 лет назад
awesome sir...great learning..!👍
@wfa0934
@wfa0934 4 года назад
Really you’re the best 👌👌
@rabiataseer7443
@rabiataseer7443 5 лет назад
Great work.
@daneyalfarosanchez8708
@daneyalfarosanchez8708 6 лет назад
Exelente, gracias.
@mayssaakabeel9847
@mayssaakabeel9847 6 лет назад
Great ! Thank you very much
@loudefeo2510
@loudefeo2510 6 лет назад
Thank You
@immadisarojini2775
@immadisarojini2775 3 года назад
Super helpful
@JMGardnerMD
@JMGardnerMD 6 лет назад
Our papers on Factor XIIIa AC-1A1 in sebaceous neoplasms: www.ncbi.nlm.nih.gov/pubmed/27153463 www.ncbi.nlm.nih.gov/pubmed/27153339
@avs220
@avs220 6 лет назад
Thank you very much, I don't suppose you could be persuaded to make a video on adnexal tumours - I know they are quite extensive, but trying to consolidate and memorise them prior to the FRCPath part 2 exam is proving a challenge!
@JMGardnerMD
@JMGardnerMD 6 лет назад
I have made several videos about skin adnexal tumors and I'm adding more over time. Here is a list of them: pathinfo.wikia.com/wiki/Skin_Adnexal_Tumors. I'm also writing a paper on this soon for Archives of Pathology & Laboratory Medicine. I'll post link on that page once it's out.
@cardiomeglee
@cardiomeglee 5 месяцев назад
I thought both layers of the eccrine duct stained with CK5/6 in your last video, but it seems that inner layer is negative for p63. Maybe this is just a knowledge deficit on my end, but I thought CK5/6 and p63 were similar... or maybe I'm only thinking that because both can be used as myoepithelial markers. Would you mind explaining this?
@Soon2bTLC
@Soon2bTLC 6 лет назад
Please please do post a video about DFSP!!
@JMGardnerMD
@JMGardnerMD 6 лет назад
DFSP is on my list to do!
@azgonz56
@azgonz56 5 лет назад
Dermatofibrosarcoma Protuberans (DFSP)is a soft tissue malignancy testing positive for CD34 while a Kaposi Sarcoma necessitates further Immunohistochemstry staining as these are viral processes and characterstic of immunosupression...?
@brudforce
@brudforce 3 года назад
Thank you for the wonderful video, Dr. Gardner! Can EMA stain be used to look for perineural invasion in other organs?
@JMGardnerMD
@JMGardnerMD 3 года назад
I find s100 or ‪SOX-10‬ to work best for that. I suppose EMA might help in some situations but often times the tumor doing the perineural invasion is a carcinoma, and carcinomas are often EMA positive. So that might complicate interpretation a lot.
@brudforce
@brudforce 3 года назад
@@JMGardnerMD Thank you for the response. This is very helpful. :)
@BijinLaoch
@BijinLaoch 3 года назад
If my IHC biopsy report says p63 and TTF1 negative for Non small cell adenocarcinoma. What does it mean?
@JMGardnerMD
@JMGardnerMD 3 года назад
It depends on the situation. TTF1 is positive in most adenocarcinomas arising from the lung (occasionally there are exceptions), but is negative in adenocarcinomas from most other organs (thyroid tumors are also TTF1 positive). p63 is positive in squamous cell carcinomas and in most skin carcinomas, but it is negative in most adenocarcinomas arising from the internal organs. Please discuss all of this with your doctor, as these stains are not perfect and interpretation can be complicated. Clinical and radiographic information are usually needed in addition to the immunostain findings to help us sort out the exact origin of the cancer. My best wishes for healing and good health to you.
@BijinLaoch
@BijinLaoch 3 года назад
@@JMGardnerMD Thank you for the reply. One more question. Bronchial mucosa was taken from my lungs. Initial MRI and CT showed that it metastasized to my brain from my lungs. So does the current report mean that my primary cancer is still unknown?
@JMGardnerMD
@JMGardnerMD 3 года назад
It’s difficult to know based on that info. Please ask your doctors to explain further as they will have specific details related to your case. Best wishes for healing and peace.
@BijinLaoch
@BijinLaoch 3 года назад
@@JMGardnerMD Thank You ! Hope god will have mercy on me and my family
@goharrehman7710
@goharrehman7710 3 года назад
some guy sent some sample for review did you know
@goharrehman7710
@goharrehman7710 3 года назад
where are dendritic cell
@goharrehman7710
@goharrehman7710 3 года назад
Please your email address in most of lectures
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