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HER2 IHC Interpretation Guide (Examples and Challenging Scenarios)

In this lecture I cover HER2 IHC guidelines and show some examples of the current scoring system. I also look at some cases that can present challenges for us pathologists with scoring.
I hope you find it helpful!!
-Dr. Damron
#BreastCancer #Her2 #Breastpath

Пікірлер: 32

  • @omerali2690
    @omerali26903 жыл бұрын

    Thanks a lot sir. I know there are not many views but your presentations are extremely helpful and valuable for us, trainees.

  • @adamronMD

    @adamronMD

    3 жыл бұрын

    Glad to hear it!

  • @bhanumatilab7886
    @bhanumatilab7886 Жыл бұрын

    Excellent session on HER 2 IHC interpretation..Full of practical tips for routine practice. Highly grateful to you Dr. Alexander Damron

  • @Lisa_5591
    @Lisa_55912 жыл бұрын

    Thank you! My biopsy showed ER/PR both strong positive HER2 Negative. Just had an SMX 7/27 and IHC showed Her2 2+ so equivocal, plus ER/PR positive again. Currently awaiting FiSH results. I'm hopeful it's negative. I had DCIS with lumpectomy and radiation for my 1st dx back in 2000.

  • @guruspath4291
    @guruspath42912 жыл бұрын

    Very informative. Thanks doc!

  • @madhuk5449
    @madhuk54496 ай бұрын

    Fantastic presentation

  • @user-gb3xp6eh9x
    @user-gb3xp6eh9x2 жыл бұрын

    Thanks a lot it was very helpful

  • @avanaavan2575
    @avanaavan2575 Жыл бұрын

    Thanks Sir for this highly informative lecture :)

  • @adamronMD

    @adamronMD

    Жыл бұрын

    Most welcome!!

  • @umarsadique6207
    @umarsadique6207 Жыл бұрын

    it was very interesting thanks a lot Dr.

  • @EL-fe2of
    @EL-fe2of7 ай бұрын

    Hello Dr. Damron, after neoadjuvent therapy on a her2+ grading, a pathology report read residual cells 20 showing degenerative qualities, almost pcr, how close were these cells to destroyed, and how this few still remaining in your opinion? Less than 1mm in tumor bed -(or to any other qualified opinion) Thanks

  • @MaryamAzizi-jf5lr
    @MaryamAzizi-jf5lr4 ай бұрын

    In cases with weak / moderate intensity but incomplete and in less than 10 percent of tumor cells… what score do you give to this one.. it’s not in the CAP, I could find it

  • @SandhyaRamachandran
    @SandhyaRamachandran3 жыл бұрын

    Dr.Damron, thank u so much! Extremely well explained..I always found Her 2 challenging. At 10:01, “Barely perceptible at Low Power” ..I am assuming it to be 4X obj that you are referring to? (since at 14:01 u hv shown a 4X obj.image)

  • @adamronMD

    @adamronMD

    3 жыл бұрын

    Yes 4x!

  • @SandhyaRamachandran

    @SandhyaRamachandran

    3 жыл бұрын

    @@adamronMD thank you

  • @user-zq7id3yx3x
    @user-zq7id3yx3x Жыл бұрын

    thanks for the nice lecture. I have a case of well differentiated carcinoma, grade1 with tubular features that is showing a moderaTe basal/bassolateral staining. would you call it 2+ and send it for FISH?

  • @adamronMD

    @adamronMD

    Жыл бұрын

    The only time we really should consider basolateral staining in the breast equivocal is in micropapillary carcinomas. If you are seeing this pattern in a tubular carcinoma then it is not complete and should be scored as 1+

  • @praneethbablu2511
    @praneethbablu25116 ай бұрын

    thank you!!

  • @samiahoucinat9492
    @samiahoucinat9492 Жыл бұрын

    Dear professor the picture show strong staining focally. even it is incomplete in more than 10 % but it doesn’t fit in definition of score 1+because it is not faint. Can we call it equivocal. As it doesn’t fit all n o. Not in 1. Not in3.

  • @samiahoucinat9492
    @samiahoucinat9492 Жыл бұрын

    I mean some cases look 1+but they are not faint they are strong don’t exactely fit in definition of 1+should we better call them equivocal thank you so much for your excellent le tures

  • @moniashek2137
    @moniashek21373 жыл бұрын

    Thank you!

  • @sujathabalija2254
    @sujathabalija22543 жыл бұрын

    Excellent thank you

  • @Slnagurung
    @Slnagurung2 жыл бұрын

    Hi Dr Damron. How will we be able to differentiate the location of HER2 staining? such as cytoplasmic, membranous or nuclear. I am finding it hard! Could you please explain? thank you

  • @sumanapaul2174

    @sumanapaul2174

    2 жыл бұрын

    I guess as HER2 is a receptor,it should be present in membrane.

  • @adamronMD

    @adamronMD

    Жыл бұрын

    The HER2 staining we score is based on membrane staining. Any cytoplasmic staining should not influence your score!

  • @givepeace2007
    @givepeace20076 ай бұрын

    Moses Nabem Agwa

  • @pezoserge2672
    @pezoserge26723 жыл бұрын

    Thanks a lot

  • @adamronMD

    @adamronMD

    3 жыл бұрын

    Happy to help

  • @avanaavan2575
    @avanaavan25752 жыл бұрын

    Hello what do you recommend for me to start with as a beginner through breast pathology??? I have little basic information about pathology. Thanks

  • @adamronMD

    @adamronMD

    2 жыл бұрын

    The Molavi surgical pathology book is a great beginner book for basic histology!

  • @avanaavan2575

    @avanaavan2575

    Жыл бұрын

    @@adamronMD THANKS A LOT FOR YOUR RESPONCE :)

  • @sujathabalija2254
    @sujathabalija22543 жыл бұрын

    Excellent thank you