Papulosquamous and Skin neoplasia

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Can you name the derm stuff?

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Characteristics Answerdetails
common molejxnal, intradermal, compound
brown􏰀macules􏰀on􏰀sun􏰁exposed􏰀skin; limited melanocyte􏰀hyperplasia in􏰀basal epidermisage spots
retention of nuclei within the keratinosisparakeratosis; psoriasis
lacy􏰀Wickham's􏰀striae
virus assoc with Kaposifound in AIDS (HIV)
EIC on scalppilar cyst
Asymptomatic small􏰀flat􏰁topped􏰀papules􏰀that􏰀spread􏰀along􏰀line􏰀of􏰀Blaschko on􏰀armLS
single􏰀itchy 'herald􏰀patch' plaques􏰀on􏰀trunk; then multiple􏰀symmetrical eruptions􏰀with􏰀'Christmas􏰀tree'􏰀pattern; negative RPR and VDRL pityriasis rosea
Well􏰁defined,􏰀non􏰁itchy,􏰀red􏰀plaques􏰀(flat􏰀papules); Thick 'silvery􏰁white'􏰀scales􏰀&􏰀erythematous􏰀base
Melanoma with worst prognosis;minvasive􏰀in􏰀dermis without􏰀intra􏰁epidermal􏰀involvement
precursor􏰀lesion􏰀to􏰀LMMfreckle, lentigo maligna
hairy brown patch, fake nevus
invasive proliferation􏰀of􏰀melanocytes􏰀into􏰀dermislentigo maligna melanoma
Precursor􏰀lesion􏰀to􏰀SCC􏰀due􏰀to􏰀excessive􏰀exposure􏰀to􏰀sunlightactinic keratosis; squamous cell proliferation
multiple large􏰀nevi􏰀with􏰀irregular pigmentation􏰀&􏰀irregular borders; irregularly􏰀'fried􏰁egg'􏰀looking􏰀melanocytes􏰀in􏰀the􏰀epidermal􏰁dermal􏰀j
benign proliferation of squamous cellsseborrheic keratosis
frecklesmelanocytic
􏰀increase􏰀of􏰀melanin􏰀pigment􏰀in􏰀basal keratinocytes,􏰀NO􏰀melanocyte􏰀hyperplasiafreckles
Variant􏰀of􏰀SCC􏰀with􏰀sudden􏰀onset􏰀&􏰀rapid􏰀growthmay resemble BCC
firm,􏰀dermal nodular􏰀scars; proliferation􏰀of􏰀connective􏰀tissue􏰀(collagen)􏰀as􏰀a􏰀fibroblastic􏰀response􏰀to􏰀injury (e.g.􏰀ear􏰀piercing), Blacksif not bulging-> hypertrophic scar
benign􏰀pigmented􏰀skin􏰀neoplasm􏰀that􏰀appears􏰀'stuck􏰁on'􏰀&􏰀verrucous; acanthosis􏰀with􏰀'horn􏰀pseudocyst'seborrheic keratosis
Characteristics Answerdetails
Asymptomatic flesh􏰁colored􏰀papules􏰀(tiny􏰀bumps)􏰀that􏰀koebnerize; flexor􏰀surfaces of􏰀arms,􏰀trunk􏰀&􏰀penisLN
fleshy,􏰀pedunculated,􏰀papillomatous􏰀lesions; central􏰀connective􏰀tissue􏰀core􏰀covered􏰀by􏰀epithelial􏰀cells􏰀(aka􏰀fibro􏰁epithelial􏰀polyp); 'skiacrochordon, benign, epithelial origin
brown􏰀papules􏰀(raised􏰀&􏰀pigmented);􏰀present􏰀at􏰀both at􏰀the􏰀epidermal􏰁dermal􏰀junction􏰀 &􏰀in􏰀the􏰀dermisnevus
Which surfaces have psoriasis
Characteristic􏰀parakeratosis􏰀(retention􏰀of􏰀nuclei); Epidermal􏰀proliferation􏰀with􏰀acanthosis􏰀(thickening); Spongiosis􏰀(epidermal􏰀edema)􏰀with􏰀􏰀
Predisposing factors to SCCSame as BCC
multiple internal fibromas; cafe au laitaka Von Recksomething
Predisposing factors to BCCSame as SCC
#1 soft tissue tumor in adultsbenign
organized brown􏰀nodules􏰀of􏰀fibroblasts􏰀invading􏰀the􏰀SC􏰀tissue (vs dermatofibroma, which stays in dermis, IE, is not malignant)dermatofibrosarcoma protuberans; malignant
Helper cells in psoriasisvs Th2s in eczematous conditions
rodent ulcer
explosive onset of seborrheic keratosisleser, trelat, assoc with gastric adenocarcinoma
'pearly'􏰀papule􏰀with􏰀telangiectasia􏰀(dilated􏰀vessels); clusters􏰀of􏰀dark􏰀cells􏰀with􏰀palisading􏰀of􏰀nuclei; NO METSbasal cell carcinoma
bcc with scar-like plaques, called 'infiltrative'morpheaform
LP occuring􏰀on􏰀lower􏰀legs,􏰀extremely􏰀extremely􏰀itchyhypertrophic lichen planus
Precursor􏰀lesion to􏰀malignant􏰀melanoma; flat at birth, thickens with agenevus
Melanoma lacking pigmentation, spreading via nervesAmelanotic melanoma, hard to dx
leser trelat assoc withor internal malignancy in general
Best indicator of melanoma prognosisBreslow's thickness
firm, brown􏰀nodules􏰀on􏰀legs􏰀of􏰀middle􏰁aged􏰀women with􏰀'dimple􏰀sign'􏰀on􏰀compression; proliferation􏰀of􏰀fibroblasts􏰀in􏰀dermis (does􏰀NOTbenign fibrous histioma
Characteristics Answerdetails
speckled patch acquired in childhoodbenign, but may degenerate to melanoma
Most􏰀common􏰀type􏰀of􏰀melanoma􏰀in􏰀dark􏰁skinned􏰀patients􏰀(AA);􏰀occurs􏰀on􏰀hands􏰀&􏰀feet; thick epidermis on feetAcral lentiginous melanoma, ALM
melanocytic flesh􏰁colored papules􏰀(not􏰀pigmented!);􏰀confined􏰀to􏰀clusters􏰀within􏰀the􏰀dermisnevus
'in situ SCC'Associated􏰀with􏰀arsenic exposure􏰀&􏰀increased􏰀incidence􏰀of􏰀internal􏰀malignancy; has not invaded dermis yet (in-situ)
Well defined epidermal lesions with scales & symmetrical􏰀rashes (general term)PR, psoriasis, LP, LS, LN
'slit􏰁like'􏰀spaces􏰀with􏰀RBC􏰀extravasation􏰀&􏰀hemosiderin􏰀deposition (greek men, HIV pts)HHV8
small􏰀red􏰀papules􏰀on􏰀skins; proliferation􏰀of􏰀dilated􏰀capillaries􏰀&􏰀venules􏰀in􏰀lobules; benignacq cherry....
brown􏰀macules (not􏰀raised!);􏰀confined􏰀to􏰀the􏰀epidermal􏰁dermal􏰀junctionnevus
Bug in guttate psoriasisGroup A strep
pigmented tumors of skin have what cellular originmelanocyte
Multiple􏰀tiny􏰀white/yellow􏰀papules􏰀in􏰀newborns; variant of EIC, from diff part of hair follicle
red􏰀scaling (hyperkeratosis)􏰀papules􏰀with􏰀'sandpaper􏰀feel'􏰀surface; epidermal􏰀atypia􏰀that􏰀does􏰀NOT􏰀involve􏰀full􏰁thickness􏰀&􏰀parakeratosactinic keratosis; percursor to SCC
scaling,􏰀indurated,􏰀ulcerated􏰀nodule􏰀'sore􏰀that􏰀doesn't􏰀heal'; islands􏰀of􏰀neoplastic􏰀epidermal􏰀cells􏰀with􏰀'keratin􏰀pearls'; can metssquamous cell carcinoma
dome􏰁shaped dermal􏰀cyst􏰀(tumor􏰀containing􏰀liquid) with􏰀central􏰀puncta􏰀(opening)􏰀leaking􏰀cheesy􏰀 material; epithelial􏰀cyst􏰀(a􏰀real􏰀cystepidermal inclusion cyst, 'sebaceous cyst'
Multiple􏰀EICs; FAP, mult soft tissue tumorsgardner's syndrome
multiple􏰀small􏰀SK􏰀on􏰀malar􏰀area of􏰀face􏰀in􏰀darker􏰀skinVariant of SK, Dermatosis papulosa nigra
Most􏰀common􏰀subtype of􏰀melanoma;􏰀occurs􏰀on􏰀trunk of􏰀men􏰀&􏰀posterior􏰀thigh of􏰀womensuperficial spreading melanoma
halo nevi associated with what 2 conditions in adults
Melanotic􏰀accumulation􏰀in􏰀mouth,􏰀lips,􏰀hands,􏰀genitalia; Polyps􏰀of􏰀colon􏰀&􏰀small􏰀intestine; ADpuetz jeghers
soft tissue tumors are of what origin

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