basal cell carcinoma.ppt
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8/9/2019 Basal Cell Carcinoma.ppt
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BASAL CELL CARCINOMA
Yono Hadi Agusni
Dept ofDermatovenereology
Padjadjaran University
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Basal cell carcinoma
• Sinonim :
• - Basal cell epithelioma
• - Basalioma
• - Ulcus roden / Rodent ulcer
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Basal cell carcinoma
• Malignant tumor of the skin that isbelieved to arise from the hairfollicle
• ( David J. Leffell & David A. Fitzgerald)
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EPIDEMIOLOGY
• US : 1! per 1""#"""
• $ustralia : %&! per 1""#"""
• “Over the past decade, signifcantincreases the incidence oc BCC have
een oserved in E!rope, A!stra"iaand #nited States “
• 'ndonesia : (
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• Age : over " )ears
• Sex : male more than female
• Race : rare in black / bro*nskinned
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Predisposing factors
• $gents
• Skin +esions
• S)ndromes
• Settings
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Predisposing agents
• Ultraviolet light
• 'oni,ing radiation
• hemical carcinogens
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Predisposing skin
lesions• .ermatobromas
• 0evus sebaceous
• Burns scars hronic ulcers
• +inear unilateral basal cell nevus
• Stanley J. Miller 2
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$redisposing s%ndromes
• 3eroderma pigmentosum
• 0evoid basal cell carcinomas)ndrome
• Ba,e4 s)ndrome
• (Stanley J. Miller)
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Predisposing settings
• 'mmunosuppression
• 5enetic tendenc)
• Stanley J. Miller
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Physical examination (!
• .istribution : 6sun-e4posed area7
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$h%sica" e&amination ("!
• Skin lesions :
• 8apule or nodule
• translucents or 6pearl)7
• 6rodent ulcer7
• 9!"cer 'ith a ro""ed order 2
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Physical examination (#!
• Color : 8ink or red
• Bro*n to Black
• Palpation : ard rm
• )stic lesion ma) occur
• Shape : Round oval depressed centre
• 9umbilicated2
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$ariants %
• 0oduloulcerative t)pe
• Sclerosing t)pe 96morphea-like7t)pe2
• Supercial 9multicentric2 t)pe
• 8igmented t)pe
• -William A. Caro
• - Thomas B. Fitzpatrick
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La&oratory 'ndings
• 0one
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Pathology anatomy %
• Site ;pidermis < dermis
• Process 8roliferating at)picalbasal cells 9large oval deep-bluestaining on <; but *ith a littleanaplasia and infre=uent mitoses2*ith variable amounts of stroma#
• Thomas B. Fitzpatrick
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Dierent diagnosis
• S=uamous cell carcinoma
• >eratoacanthoma
• 0evus pigmentosus
• hronic ulcer
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)omplications %
• B have a little tendenc) tometastasi,e
• B invade and destro) underl)ingtissue
• 6 destruction of underl)ing tissuemakes B lookslike malignant 6
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*reatments
• ;4cision
• r)osurger)
• urettage
• ;lectrosurger)• Radiotherap)
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Prognosis
• 'n general : .good/