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Pyoderma Gangrenosum (vs Non-Specific Chronic Ulcer Changes) 

Jerad Gardner, MD
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Our paper on Dermatology Emergencies referenced throughout this lecture is available for free on the Archives of Pathology & Laboratory Medicine website: www.archivesofpathology.org/d.... Archives granted permission for me to use the images and quotes from the article in this RU-vid video and asked me to include the following statement: “Reprinted from Abate MS, Battle LR, Emerson AN, Gardner JM, and Shalin SC entitled Dermatologic _ Emergencies: What Every Pathologist Should Know, Arch Pathol Lab Med. 2019;143(8):919-942 with permission from Archives of Pathology & Laboratory Medicine. Copyright 2019. College of American Pathologists.”
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).
Excerpt from my lecture live online on April 24, 2020 as part of the CAP Virtual Lecture Series for Pathology Residents (Full video here: • Dermatology Emergencie... ). Recording courtesy of the College of American Pathologists (posted on my RU-vid channel with their permission). To access the many other excellent lectures in that series, visit:
www.gotostage.com/channel/capvls (access past recorded lectures)
www.cap.org/calendar/virtual-... (register for future lectures)
Please check out my Dermatopathology survival guide textbook: 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.
Presented by Jerad M. Gardner, MD. Please subscribe to my channel to be notified of new pathology teaching videos.
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6 авг 2024

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Комментарии : 45   
@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).
@lisadolan689
@lisadolan689 2 года назад
Dr Gardener, thank you for this video. My case is very similar to the cases you noted graphically. It was horrific and I’m so scared it will happen again. Hospitalisation via A n E, resulting in 29 days admitted. No underlying found. And that’s why I’m scared. This video is amazing. Coincidentally I am almost finished MHSC-Dermal which has helped with understanding the histology. I hope the dermatologist who was unable to diagnose me, gets PD. 😒 I wish I’d found this before. My pics are the same.
@lisadolan689
@lisadolan689 2 года назад
Add to this, not just a dermatologist, a GOOD dermatologist. I nearly lost my right foot due to an incompetent dermatologist. He took all my money and was arrogant, resulting in MISTREATMENT almost leading to amputation. Am now on immuno suppressant medication 😭😭😭
@missknowall
@missknowall Год назад
Thank you so much for another awesome video. You have shared a wealth of knowledge and wisdom.
@ramadanshatwan2205
@ramadanshatwan2205 3 года назад
Great tips! Many thanks
@GodessPsyche
@GodessPsyche 21 день назад
Thanku for the explanation of PG.
@joolzg1936
@joolzg1936 2 года назад
I have been diagnosed with PG. It started with a scratch on my calf from a basket. It's been almost a year since I started therapy and my leg still is very painful. Currently on topical steroids and Gabapentin for the nerve pain. I am miserable and very frustrated. My Derm is through UC Davis and they are amazing.
@JMGardnerMD
@JMGardnerMD 2 года назад
I’m so sorry. I have heard it can be so miserable to deal with. I’m glad you found a good dermatologist to care for you. Best wishes for health and healing.
@xenyane2231
@xenyane2231 2 года назад
hello my brother is having very serious problems due to this disease. Do you know any treatment method, doctor or medicine? we live in turkey.
@lisadolan689
@lisadolan689 2 года назад
Jules. I’ve just gotten to end of my first episode that almost resulted in amputation. I was on 29 tabs a day. Now on cyclosporine and lyrica. Try to stay positive. You’re not alone. There’s not many of us, but you’re not alone x
@NERVESMEDICINE616
@NERVESMEDICINE616 3 года назад
Amazing video
@chetnamistry8854
@chetnamistry8854 3 года назад
Good morning Your all teaching videos are awesome 👌👍 Can you please teach verrucous hyperplasia vs verrucous carcinoma
@jessestrickler5502
@jessestrickler5502 11 месяцев назад
Early diagnosis of my pg has made my outcomes so different than many people with this. My underlying disease is psoriatic arthritis and i have one leison that has reoocured 6 times. On remicade for both now. I have a great derm in north Houston, tx if anyone needs a name.
@miaknig3130
@miaknig3130 3 года назад
This is so horrific. I had 4 patients in
@joolzg1936
@joolzg1936 2 года назад
As a sufferer of PG this is horrifying. My Dermatologist told me I should avoid surgery if at all possible as any skin interruption could exacerbate PG. It's terrifying actually
@miaknig3130
@miaknig3130 2 года назад
@@joolzg1936 I couldn't believe how many doctors weren't familiar w it. The pain made my patients grow impatient and desperate, so they were willing to go through with amputations. Now they still have the ulcers in more horrific places, and are facing the challenges of the amputations. When I first researched it, it seemed like the UK had far more info and studies published in The Lancet. I think they were the first to realize there was a correlation w systemic issues. Please be patient and get many opinions if a doctor wants to do anything drastic. For my female patients: 2 had ulcers move to groin w much worse pain and destruction, 1 moved to her chest and caused massive painful wounds to both breasts. The leg is not the worst place, compared to where they move after the leg is gone. I wish you luck!
@joolzg1936
@joolzg1936 2 года назад
@@miaknig3130 Thanks for your response. I am a retired nurse ( L & D ) but I have never heard of this before. I have read several articles that all state no debridement or cleaning the wound as this makes it flare up. Even applying the ointment makes it start to flare up. The pain is so severe and debilitating. My lesion does not seem to be improving, it's about 2in X 3in. It really has affected my daily life. Were you a Dermatology Dept nurse?
@miaknig3130
@miaknig3130 2 года назад
@@joolzg1936 I was usually on med-surg units, which is how I came to meet my patients. They were either post-op, or being prepped for surgery. My first patient told me how the sores appeared in her groin, after having the lower leg removed. She was in the hospital for reconstructive surgery, bc the sores did so much damage. A different lady was awaiting a double mastectomy and I was caring for her PG wound drains and dressings on both breasts Another case at a renowned hospital (many cases from around the world, so I'm not giving away any identifying details), was sent there due to the lack of knowledge at her area hospitals. She didn't have a serious sore when I met her, but announced that she could feel it starting. In a few minutes, it looked like a grenade had hit her. Once the eruption (for lack of a better word)slowed, it was examined closely and the femoral artery was exposed which made wound care v precarious. Evidently that is not an uncommon location as I learned while researching every image and article I could find. It seemed like Lancet had some of the earliest info and observed a correlation w bowel disease or other immune response probs earlier than their US counterparts. Early on they had also noticed cases in a few neonates, so they didn't think it was an outside bug (of course the sores can be infected by other stuff after they open) . To this day, the majority of Healthcare staff I meet, have never heard of it. It is in the top 3 of my most feared illnesses. I have heard very dark thoughts come from patients and one needed anxiety meds, which managed desperate toughts. I was baffled by the reconstructive surgery case bc based on what I had heard, any small insult could exacerbate or cause wounds. I think some doctors are doing surgery prematurely and learning as they go, at the patients ' cost and health. The way the sores react to physical or mental stress reminded me of herpes outbreaks. I have had many patients tell me (and then I looked up opinions on social media) that antivirals seem to have little to no benefits, especially compared to those who take lysine and lecithin supplements. I was skeptical about the supplements, but the number of people commenting positively was huge. The next time I had a cold sore, I did try it and noticed an obvious difference in healing time. I started taking supplements proactively and it has helped. I realize you are dealing w something far more serious and severe, but there is a lot to be said about being proactive, prevention, and on high alert for anything that seems to be a common denominator leading to outbreaks (e.g. any extended periods of sun exposure causes cold sores for me, so I know to avoid it and /or use spf). Please don't do make any extreme decisions in haste. There are groups on FB but the posts are old and it doesn't seem to have many active members. Reddit on the other hand, has really improved in almost every area recently. There is a PG reddit w only a few people sharing in the past few month but they seem caring and willing to share suggestions and treatments. I wish you luck and I'm so sorry you're going through this. * sorry for blathering 💞
@lisadolan689
@lisadolan689 2 года назад
😭😭😭
@tsiontesfa9245
@tsiontesfa9245 Год назад
Thanks 😂 i always thought i am the only derma resident who get confused, i even said Pyogenic gangrenosum
@mskryptonillusions2954
@mskryptonillusions2954 3 года назад
Thanks
@franciscosimental4930
@franciscosimental4930 10 месяцев назад
I believe that PG type vegetative/superficial granulomatous variant is underdiagnosed, in many cases even dermatologists think about other things and are unaware of this subtype that fortunately responds well to corticosteroids.
@louiseander01
@louiseander01 4 месяца назад
I have PG on both sides of my groin 😢 Ive had it for 5 years or so and the scarring and ulcers are awful. I don't have any inflammatory disease like RA or UC so my dermatologist was stumped when we actually figured out what i had. My eczema is really so i didnt need something else to add to the pain and discomfort. Doesn't help where i have it as its so difficult to use dressings, especially the adhesive kind as i practically give myself a bikini wax when i remove them 😂 Gotta see the funny side otherwise id be sobbing my wee heart out! 💜
@theplane
@theplane Год назад
Hi Dr Gardner, I have recently been diagnosed with PD in 2 wounds. About 20 yrs ago I had a spider bite followed by a rash below the knees and abdominal pain. The ER Dr thought it might be HSP and gave me steroids. I never had abdominal pain again but the rash did return thru the years and I had no idea what the trigger was so I just let it fade away. Last rash in 2018. Move forward to last December I get COVID (had been vaccinated and boosted) and I am given Paxlovid. A few weeks later I break out with a purpura rash up to my abdomen that is very bright red and non blanching and burning. But there are purple areas too that were different near my ankles. These would eventually open up and become wounds. The rash biopsy done in December gave a diagnosis of Leukocytoclastic Vasculitis and a recommendation for a direct immunoflouresence. Unfortunately the additional test was not done. So 6 months later the wounds are not healing and a biopsy is done of the wounds and it comes back PD. I think I either have both of these issues or since the PD diagnosis is one of exclusion, it may be wrong because 6 months later I don’t think the 2nd pathologist would still be able to see what was seen on the rash biopsy. I have been on high steroids, 4 wks of Methotrexate and now Remicade, 2 doses. I have recently had a new rash around the wounds and in the wound beds. Would it be reasonable to ask that the new rash be biopsied and the full series of tests completed? Leuc Vasculitis can ulcerate so I wonder if it has in this case and the PD is not correct. This makes a difference for debridement to encourage healing which with the new diagnosis they can’t do now. Also are there any new treatments to help with PD or perhaps a specialty clinic?
@nicolem8660
@nicolem8660 3 года назад
I have had this on my ankle for years .. and have been from one doctor to the next and getting Woundcare but it is not improving 😢 It is very frustrating
@JMGardnerMD
@JMGardnerMD 3 года назад
I’m so sorry to hear that. Please be sure to see a board certified dermatologist (MD or DO) if at all possible. In my experience, dermatologists are the most experienced at diagnosing and treating pyoderma gangrenosum. Best wishes for good health and healing
@miaknig3130
@miaknig3130 3 года назад
Omg, I am so sorry you have that. I've worked at 2 world class hospitals and 2 different doctors thought amputation was was best solution. I warned my patient that I had worked w 2 other people who had below knee amputations, and the sore reappeared in far more painful areas: groin and breasts. Please be careful and avoid drastic moves. 💞🙏
@joolzg1936
@joolzg1936 2 года назад
I am suffering with PG also for almost a year. I am now seeing a good Dermatologist and on topical steroids. My Dr just sent me to get labs and a blood flow study to see the circulation in my legs. I would love to communicate with you. I am looking for a support group for PG. Reach out if you'd like.
@MartinGTProductions
@MartinGTProductions 6 месяцев назад
Very useful information I was recently diagnosed with PG after a biopsy but I would like to get a second opinion. the thing is my ulcer is taking a long time to heal but is not painful at all. let it be noted that this ulcer developed after many years ago when I suffered a traumatic burn on my leg when I was a kid, so the doctors tell me i have a lot of scar tissue. any advice would be appreciated. is there a danger I could lose my limb?
@JMGardnerMD
@JMGardnerMD 6 месяцев назад
Sorry to hear this. PG can be very difficult to diagnose both clinically and microscopically (on biopsy). I’ve not seen a case of PG result in loss of a limb that I can recall but I suppose it depends on the situation. Two things to be aware of. 1. Board certified dermatologists usually have the most skill in diagnosing and managing PG based on what I’ve observed in my career. 2. Aggressive squamous cell carcinoma skin cancers can sometimes arise in old burn scars. If an ulcer is large a small biopsy sample may not be representative of the whole ulcer. This is always a problem we face in dealing with ulcers. The point of this isn’t to scare you but to make sure you return to your dermatologist if ulcers isn’t getting better with treatment or is getting worse. Ask them if they have any concern for cancer or if they think a repeat biopsy is needed. Note: PG can be hard to treat and can recur or get worse sometimes even when the diagnosis of PG is accurate and the right treatment is given, so these things don’t necessarily mean there is cancer. Just wanted you to be aware so you are vigilant and so you return to see your derm regularly as they instructed you. I know this can be a miserable disease to deal with. You have my empathy and my best wishes for health healing and peace!
@jackt9535
@jackt9535 2 года назад
Great presentation and tips! I'm confronted with a tricky case where pathological features are those of a Pyoderma Gangrenosum (multiples ulcerations with rich neutrophilic infiltrates) in the context of surgery and prothetisis (one month ago). However, bacterial culture on peri-prothetic fluid was positive for bateria (Staph. aureus)... While I have just a bacterial colonization at the surface of the specimen... How Shall I adress my report in this situation?
@JMGardnerMD
@JMGardnerMD 2 года назад
When I see a layer of bacteria and or fungus on the surface of a large ulcer I’ll mention it in the comment and say that I favorite to be secondary colonization rather than the primary etiology. I see this relatively often with pyoderma gangrenosum and other large chronic ulcers. I think it’s worth reporting but I want to make it clear that that’s not what’s causing the ulcer.
@tracyfields3937
@tracyfields3937 2 года назад
So this is a dx made by exclusion? I have a pt with peristomal wounds x 6yrs. Looks like classic PG to me and bx show moderate chronic inflammation with lymphocytes and eosinophils. No bacteria, fungus or virus. Neg SCC. It was a punch bx. What are ur thoughts. No hx inflam bowel do or autoimmune disorder
@JMGardnerMD
@JMGardnerMD 2 года назад
Yes, It is mostly a diagnosis made by exclusion. Some cases have classic features on biopsy but others are non specific. When only non specific ulcer findings on biopsy and infection has been excluded as best as possible and the dermatologist thinks it is pyoderma gangrenosum, then I think it’s reasonable to have the derm attempt treatment as PG and follow patient closely to see if it improves or not. If you are not a dermatologist, please considering consulting with derm as they have the most experience in recognizing and treating PG from what I’ve seen.
@xenyane2231
@xenyane2231 2 года назад
hello my brother is having very serious problems due to this disease. Do you know any treatment method, doctor or medicine? we live in turkey.
@JMGardnerMD
@JMGardnerMD 2 года назад
I’m so sorry to hear that. This disease is complicated and difficult. It is usually treated with steroids or other immune-suppressing medications. But it can be difficult to diagnose accurately because it can mimic infection (but is treated very differently…those medications will make infections get much worse!). In my opinion, it’s important for PG patients to see a board certified dermatologist for diagnosis and treatment. Best wishes for health and healing for your brother.
@anikkaollet8525
@anikkaollet8525 2 месяца назад
Do you ship your survival guide to dermatopathology to the Philippines? Would like to acquire one! :)
@JMGardnerMD
@JMGardnerMD Месяц назад
The publisher ships the book worldwide! Info here: kikoxp.com/posts/17787
@josephholland3069
@josephholland3069 3 года назад
Well shit.... I just went in.. Had surgery on it cause we didn't know what was going on.. Calling the dermatologist Monday. The er doc already spoke to them tho and know about what's going on. So hopefully I can be seen asap.. So it'll be super bad for me now huh?
@JMGardnerMD
@JMGardnerMD 3 года назад
This disease is hard to diagnose reliably. Dermatologists usually are the best at it. But lots of other things can mimic it. Even if someone does have PG and has surgery done, it doesn’t always get worse/show pathergy effect. Please see your dermatologist as soon as you are able so they can help ensure the best diagnosis and treatment for you. Best wishes for healing & good health.
@nicolem8660
@nicolem8660 3 года назад
@@JMGardnerMD They cleaned my PG surgically and it got much worse after that and a lot more painful and more exudate. It's a nightmare
@joolzg1936
@joolzg1936 2 года назад
@@nicolem8660 So sorry to hear that. I see your comment was 8 months ago. How are you now? I have had a PG lesion on my leg for a year now. I would love to find a PG support group.
@user-lx7kq5ci5l
@user-lx7kq5ci5l Год назад
Hello doctor, i really appreciate your work. I have a question, maybe a little bit weird. I had PG on my face, but the symptoms were pretty mild comparing to the usual. I guess it was atypical considering the place and the absolute absence of pain. I was prescribed with several antibiotic until doctors found metronidazol as efficient. Im worried about the possibility of reocurrance, so my question is, according to cases until now, is it common for atypical PG to reocurr or even reocurr in some worse shape. Thanks
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