Pics 2 Flashcards

small epidermoid cysts on cheeks
milia
extremity with Hx of bug bite

dermatofibroma

seborrheic keratosis
acute onset

Leser-Trelat
multiple seborrheic keratosis: sign of cancer

seborrheic keratosis

seborrhiec keratosis

seborrheic keratosis: bubbly surface with keratin cysts
(may have been sampled as a malignant mole)
trunk

cherry angiomas
trunk

cherry angioma

keloid

keloid (could by hypertrophic scar)

keloid from ear piercing

keloid (probably been excised several times)

keloid

epidermal (epidermoid) cysts or pilar cysts
depends on punctum existence

epidermal (eperdermoid) cysts

basal cell carcinoma

basal cell carcinoma

squamous cell carcinoma

basal cell carcinoma

basal cell carcinoma, nodular type
basophilic nodules emanating from surface of the epidermis: makes Dx

noduleof basophilic, pleomorphic cells with hyperchromatic nuclei, peripheral palisade of tumor cells and CLEFTing from adjacent stroma
basal cell carcinoma

superficial basal cell carcinoma

nodular basal cell carcionoma

classic basal cell carcinoma (nodular)
well circumscribed nodule with pearly rolled border and central erosion
telangiectasis

telangiectasis
basal cell carcinoma

nodular basal cell carcinoma

basal cell carcinoma

superficial basal cell carcinoma

superficial basal cell carcinoma

superficial basal cell carcinoma

pigmented basal cell carcinoma

pigmented basal cell carcinoma

morpheaform basal cell carcinoma

basal cell carcinoma

basal cell carcinoma

basal cell carcinoma untreated

squamous cell carcinoma

normal skin

actinic keratosis
stratum corneum is thickened with retention of nuclei with loss of underlying granular cell layer

actinic keratosis
less than 1 cm in diameter, tan-brown or skin colored, rough sand paper consistency
not hard

thin non-indurated (not hard) lesions: clue that it is superficial
actinic keratoses

photodistributed lesions of actinic keratoses: pre-skin cancer

squamous cell carcinoma in situ: full thickness of atypia

islands of squamous epithelial cells extending into the dermis, KERATIN PEARLS
invasive squamous cell carcioma

progression of actinic keratoses to SCC in site to SCC across temple

squamous cell carcinoma

squamous cell carcinoma

squamous cell carcinoma

HPV-associated periungal squamous cell carcinoma

squamous cell carcinoma

squamous cell carcinoma in situ

invasive squamous cell carcinoma

keratoacanthoma

Marjolin’s ulcer

basal cell carcinoma

actinic keratoses

lots of shades of color and assymetric, irregular border, large diameter, elevated
melanoma

melanoma on toe

junctional, compound, intradermal melanocytic nevi

nevi

nevi
top: junctinal
bottom: intradermal

intradermal nevi

junctional nevi

halo nevi

giant congenital nevi

hairy
congenital nevi

multiple atypic nevi
irregular borders, variegated pigment and asymmetry

dysplastic nevus
fried-egg appearance

melanoma

Unorganized melanocytes, increased in number and located above the basal layer. However, none have ‘invaded’ into the dermis, and therefore the lesion remains an in situ lesion. It is in ‘radial’ growth phase.
melanoma

Melanoma invading the dermis: a “vertical” growth phase

arymmetric, notched, irregular border, color not unifrom, diameter > 6 mm, elevated
melanoma
Hx of color change

pigmented lesion, irregulat border, UGLY DUCKLING
melanoma

asymmetric, irregular border, elevated, diamter > 6mm
melanoma

plantar melanoma in situ
acral lentigious melanoma

plantar melanoma in situ
Acral lentiginous melanoma

subungal melanoma in situ
Acral lentiginous melanoma

melanoma in situ: slow radial growth
lentigo maligna

nodular melanoma in background of lentigo maligna
progression of insitu melanoma to invasive

nodular melanoma assoicated with lentigo maligna

nodular melanoma

superficial spreading melanoma

red, white and blue sign
superficial spreading melanoma

top: seborrheic keratosis
bottom: melanoma

seborrheic keratosis

seborrheic keratosis

seborrheic keratosis

left: melanoma in situ
right: seborrhiec keratosis

melanoma in situ

melanoma in situ

melanoma in situ

melanoma

melanoma

melanoma

melanoma

top: basal cell carcinoma
bottom: melanoma

melanoma

melanoma of iris

vulvar mucosal melanoma

metastatic melanoma

actinic keratoses

actinic keratoses

actinic keratoses

actinic keratoses

squamous cell carcinoma

squamous cell carcinoma

squamous cell carcinoma

Bowen’s disease
squamous cell carcinoma in situ

erythroplasia of queyrat: squamous cell carcinoma in situ on the penis
radiation induced

squamous cell carcinoma
tobacco use

leukoplakia with squamous cell carcinoma arising

lobular tumor with focal ulceration
squamous cell carcinoma