DERMATOLOGY HUBs

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162.explanation Correct Answer - B Ans. B. Polyhedral 5 characteristic 'P’ of lichen planus 1. Pruritic (itching) 2. Polygonal 3. Purple (violaceous) 4. Plane (flat topped) 5. Papule or plaque These 5 Ps are the characteristic features of lichen planus lesions presentation. Join @DERMATOLOGYhubs

162. Which 'P' is not a feature of lichen planus ?

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TYPES OF ERYTHEMA *Erythema Reactions:* 1. *Erythema Induratum of Bazin*: Tuberculid reaction 2. *Erythema Nodosum*: Associated with: - Inflammatory Bowel Disease (IBD) - Sarcoidosis - Streptococcal (Strep) infection 3. *Erythema Toxicum*: Characterized by: - Eosinophilic infiltrates - Physiological (normal) condition in newborns 4. *Erythema Infectiosum*: Also known as: - Fifth disease - Occurs around the 5th day of illness 5. *Erythema Multiforme*: Triggered by: - Chloroquine - NSAIDs - HSV1 infection 6. *Erythema Migrans*: Early stage of: - Lyme disease 7. *Erythema Marginatum*: Major criterion for: - Acute Rheumatic Fever (ARF)

161.explanation Correct Answer - D Ans. D. Erythromycin *Buboes are most commonly caused by LGV. *Doxycycline/tetracycline is the drug of choice for LGV in a non- pregnant female. *In a pregnant female and children below 8 years, it should be treated with erythromycin. Join @DERMATOLOGYhubs

161. Drug of choice for bubos in a pregnant female is ?

160.explanation Correct Answer - D Ans. D. Long term oral steroids Drugs used in scabies. 1. Topical: Permethrin (drug of choice), GBH/BHC, benzyl - benzoate, crotamine, malathion. 2. Oral: Ivermectin. 3. For pruritis :Antihistaminics. Join @DERMATOLOGYhubs

160.All of the following are part of the treatment of scabies except?

159.explanation Correct Answer - B Ans. B. Oligoarticular. *Psoriatic arthritis (Affects 5-1Och of psoriatic patients) Classic or polyarticular type (16%):- affects DIP joints with “sausage shape apearance"of fingers and toes. *Nail involvement is common. *Monoarticular or oligoarticular type (70%) most common type, affects large joints like knee. *Rheumatoid type (15%) :- RA like presentation. Symmetrical. Affects PIP joints leading to "swan neck deformity." *Axial type or spondylitis :- associated with HLA - B27. Join @DERMATOLOGYhubs

159. Among various types of psoriatic arthritis, which variety is most common ?

158.explanation Correct Answer - D Ans. D. Chronic sun damage plays a role. ••Bowen's Disease *Bowen's disease is SCC in situ. *More common in fair skinned people. *More common on sun exposed areas such as head & neck followed by limbs. When it arises on glans penis, it is called "erythroplasia of Queytat." Join @DERMATOLOGYhubs

158. True regarding Bowen's disease is ?

157.explanation Correct Answer - A Ans. A. UVB plus coal tar *Goekerman regimen was invented for the treatment of mild to moderate psoriasis. *In this therapy application of crude coal tar application for 2-10 hours is followed by exposure to UVB light. *Treatment is now obsolete. *Similarly UVB plus anthralin combination is known as Ingram regimen. Join @DERMATOLOGYhubs

157. Goekarman regimen used in for treatment of psoriasis is?