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Hello, everyone. Thank you for joining our session today about inflammatory skin conditions. This is the third session as part of the Mind the Dermatology Series before I start, um Can you hear me? Can I just check? Yeah, we can hear you. Great. Perfect. Um So before we get into it, I'd just like to thank Doctor Aldean. He's one of the Dermatology Registrars. He's kindly reviewed this presentation. Um So in this presentation, we'll be practicing what we've previously been through about describing skin lesions. And there are a few examples throughout the presentation. We'll be going through acne psoriasis, Rosacea, eczema dermatitis and folliculitis. And at the end, we have a few SBA questions similar to the E LA exam. So to start things off, can you put into the chat box um descriptions about this rash and what the likely diagnosis is? OK. So I can't see anything in the chart yet. So um we can use the DCM framework to describe this rash. We can see that it's distributed on the arm and we can also see if you look closely there is also um part of the lesion on the torso as well. We would describe this as a patch and we can see that there is some scale overlying this. So the likely diagnosis for this image is psoriasis. So, psoriasis is a inflammatory papulosquamous disorder. So you will see well demarcated scaly plaques and there will be a relapsing and remitting course, it is more common in Caucasians and um when it occurs in Fitzpatrick skin types five and six, as the previous image showed it would appear more um purple or dark gray in appearance. Um It's related to abnormal t cell activity. There are two peaks where incidence of psoriasis is high. So one is between 2030 years old and the other is between 5060 years old. So there's a variety of causes including infection, drugs, stress, alcohol, a genetic component HIV and lifestyle changes. So, yeah. So in previous image was chronic plaque psoriasis. This is the most common and they're about 90% of the cases. Others are gut sir, others are guttate psoriasis. So, this was shown in the previous image here um where you will see drop like eruptions and it's often after a streptococcal infection, then there's flexural psoriasis, which you can see in this image here um which affects areas such as the axilla, the submammary area and the smooth, the smooth and reddened appearance. So you may often see this under the breast, especially in GP, I've seen this a few times. Then there's also pustular generalized psoriasis. So here, you would see small sheets of yellow pustules on a red background. So this is this middle image here and sometimes it can progress to erythroderma which is um erythema of majority of the skin surface. Then there's also pustular palmar plantar psoriasis. So this is this image here. This occurs as the name says more on the palms and the soles and it is associated with smoking and there is also erythrodermic psoriasis and this is what you can see here. And as with cases of um erythroderma, um it would require inpatient management including fluids and temperature regulation. Often these patients will be managed in ICU. So, um this is the next question, psoriasis can be worsened due to. So you can put A to D into the chat box.