1. A-molluscum contagiosoum : peary white rounded,dom shape, papule with central umbilicated in the periorbital area Cause: pox virus RX: surgical removal,chemicals B- impetigo contagiosoum : erythromatous area with adehernt crust on the nose lesions are present in all stages of development. Pustule, bullae, erosions with collarette scales Cause: staph. Aurus RX: general measures Toical: fucidin cream Systemic : co-amoxocillave

2. Folliculitis : painful tender boil in the nose Cause : staph TX: the same preveos slide

3. Ecthyma : ulcer with adherent crust heal with scar in the knee Cause : staph TX: the same prevous slide Ecthyma: Thickly black crusted erosion/ulcer with surrounding erythema on the leg. The lesions are tender and indurated. The etiology is streptococci or S. aureus or both. Therapy is cephalexin.

4. موجود بسلايدات دكتور سلام

8. Scarlet fever : generalized macule papularr eruption,strawberry tongue Cause: strep infection RX: general measure (avoid itching) Topical and systemic measure

9. Erythrasma: erythmatous patch in the axilla Cause : corynebacterium it is part of flora of skin but under some condition (heat,humidity) It well prolifrate & cause allergy DX: wood light give coral pink flurescence RX: bacteriostatic AB,erythromycin, (topical) If sever systemic antibiotic

10. Ersipelas: well marginal painful and swellen.edematous area usually on the face and lower limb(foot) Cause : b- hemolytic strep TX: oral antibiotic pencillin v

11. t Cutanous anthrax : life threating condition nodule with central ulcer & black ishcar & the hand edematous Because of two toxin ( edematous toxin & necrolytic toxin ) Cause : bacillus anthrasis, gram +ve,spore forming bacillus, Spread by form animal

12. Infectious folliculitis: P. aeruginosa or “hot tub” Multiple follicular pustules are present on the trunk appearing 3 days after bathing in a hot tub. P. aeruginosa was isolated on culture from a lesion. The lesions resolved spontaneously within a week Cause : psedomonous aeuruginosa TX : ciprofloxacin.

13. Infectious folliculatis, deep sycosis Confluent follicular pustules forming tender thick erythematous plaqe on the upper lip Cause :staph D,D: tinea barbae with keratin formation TX : topical AB,fucidic acid cream Oral AB : cephalexin

14. Impetigo contagiousum :erythematous sore area with yellowish gold crust (honey crust) Cause : staph aureus RX:1- general measures 2- topical measures : a- removal of crust with normal saline with anti bacterial toxin to ease penteration of topical AB B-fucidine AB, erythromycin,tetracyclin,lesion wet so we use cream 3- systemic AB :erythromycin,co-amoxocillave in sever case methicilline If patien hase pencilline allergy use erythromycin If injectable : vancomycine

15. Ecthyma :large circum scribed ulcer with onecrotic base & surrounding erythema in the pretibial region Cause : strep,staph or both TX : SYSTEMIC AB

16. Paranychia : very painful,tender,swelling,contain pus common in house wife on distal phalax Cause: staph TX: general measure 1-avoid truma 2-avoid water contact 3-wear gloves in addition to other measure If it is very sever short course of AB include pencillin or cephalosporin,clindmycin

17. Carbuncle : very large inflamatory plaques studed with multiple pustule,some of which have ruptured draining pus on the nape of the neck Surronded by erythema and edema Cause : staph TX: when there is pus centraly surgical drainage & systemic AB is indicate d

18. Scalded syndrom : fever, slaphing of skin because of epidermolytic toxin of bacteria cause : staph

19. Tinea corporis :pruritic rounded,annular,red scaling well marginateed,patch,distinguish,by prescule of mycelium in scale Cause :epidermophytone (zoonotic infection)characterized by 1-it is more sever 2-you could elminate the source RX:general measure (avoid scrabing) TX:topical anti fungle azole group (fungostatic) Systemic AB: if 1-failur of topical 2-sever inf 3-wide spread diseas 4-immunocomprised patient 5-if there is tinea capitus or tinea anguam

21. Tinea capitis : patch pf hair loss with underling area of erythema (inflamed skin) D.D: alopecea areata Cause : fungal infection (trichophyton and microsporeum) TX: oral griseofluvin & keto canazol shmpo for reduce transmission

22. Black dot type of tinea capitis

23. Ferun type sever inflamatory type of tinea capitis

24. Ferun type (scaring type) : honey comb destruction of hair shaft Caused by : trichophyton schoe nleinil

25. Candidiasis : is ifection of skin with satellite lesion in intertrigo area Cause :candida albicans TX: topical & systemic midazole We can confirm dignosis by koh show psedohyphae