What is this |
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Seborrheic keratosis |
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What is this |
|
Seborrheic keratosis |
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What is this |
|
Seborrheic keratosis |
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What is this |
|
Seborrheic keratosis |
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What is this |
|
Seborrheic keratosis |
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What is this |
|
Seborrheic keratosis along inferior lid, benign squamous papillomas along the superior lid |
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What is this |
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Keratoacanthoma |
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What is this |
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Keratoacanthoma |
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What is this |
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Keratoacanthoma |
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What is this |
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Keratoacanthoma |
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What is this |
|
Keratoacanthoma |
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What is this |
|
Keratoacanthoma |
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What is this |
|
Verucca/Squamous Papilloma |
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What is this |
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Verucca/Squamous Papilloma |
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What is this |
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Verucca/Squamous Papilloma |
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What is this |
|
Verucca/Squamous Papilloma |
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What is this |
|
Verucca/Squamous Papilloma |
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What is this |
|
Verucca/Squamous Papilloma |
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What is this |
|
Actinic Keratosis |
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What is this |
|
Actinic Keratosis |
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What is this |
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Actinic Keratosis |
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What is this |
|
Actinic Keratosis |
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What is this |
|
Actinic Keratosis |
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What is this |
|
Actinic Keratosis |
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What is this |
|
Squamous cell carcinoma |
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What is this |
|
Squamous cell carcinoma, nodular form |
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What is this |
|
Squamous cell carcinoma, nodular with actinic damage |
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What is this |
|
Squamous cell carcinoma - keratin suggests SCC versus BCC |
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What is this |
|
Squamous cell carcinoma, uclerative form |
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What is this |
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Squamous cell carcinoma, easily mistaken for something else but necrotic core = biopsy |
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What is this |
|
Squamous cell carcinoma - arising out of actinic keratosis |
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What is this |
|
Squamous cell carcinoma - keratin pearls and squamous eddies indicates SCC. SCC is also more likely to spread, but biopsy is needed. |
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What is this |
|
Squamous cell carcinoma - extension into cheek and conj indicates BCC. Biopsy. |
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What is this |
|
Basal Cell Carcinoma - non-ulcerative |
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What is this |
|
Basal Cell Carcinoma - nodular, ulcerative, some actinic damage |
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What is this |
|
Basal Cell Carcinoma - cystic |
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What is this |
|
Basal Cell Carcinoma - morpheoform, sclerosing |
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What is this |
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Basal Cell Carcinoma - pigmented, may appear as melanoma |
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What is this |
|
Basal Cell Carcinoma - nodular, some actinic damage |
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What is this |
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Basal Cell Carcinoma - classic nodular with pearly borders and telangectasias |
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What is this |
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Basal Cell Carcinoma - Gorlin syndrome |
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What is this |
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Basal Cell Carcinoma - sclerosing morpheoform characterized by cord-like infiltration of surrounding area. |
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What is this |
|
Freckles! Yay! |
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What is this
Does not darken with sun, stable to slow growing
Increase with age
No thickening or inflammation |
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Lentigo Senilis |
| |
What is this
Does not darken with sun, stable to slow growing
Increase with age
No thickening or inflammation |
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Lentigo Senilis |
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What is this
Does not darken with sun, stable to slow growing
Increase with age
No thickening or inflammation |
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Lentigo Senilis |
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What is this?
Congenital, elevated, darkens and enlarges |
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Compound nevus |
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What is this? |
|
Intradermal nevus, Note intact lashes and no accessory vascularization |
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What is this? |
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Intradermal nevus, Note intact lashes and no accessory vascularization |
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What is this?
Present at birth, slow growing |
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Congenital nevus, low malignancy potential |
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What is this?
stable lesion |
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Congenital nevus (Spitz), note normal cilia and vasculature |
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What is this? |
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Congenital kissing nevus |
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What is this?
Present at birth, may increase in size and pigmentation at puberty/pregnancy/steroid use, usually compound |
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Congenital nevus |
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What is this? |
|
Kissing nevus |
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What is this?
After age 50, slow growth, above BM |
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Lentigo Maligna (Hutchison's Freckle)
Note hyperemia and macular growth pattern |
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What is this?
After age 50, slow growth, above BM |
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Lentigo maligna
Note rubor, varied pigmentation, sun damaged skin |
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What is this?
After age 50, slow growth, above BM |
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Lentigo maligna
"Black paint splattered on brown background" |
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After age 50, slow growth, above BM |
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Lentigo maligna with invasion of conjunctiva |
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What is this?
Breached BM |
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Malignant melanoma (from lentigo maligna) |
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What is this?
50% arise de novo, or from nevus, slow growth, UV exposure |
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Superficial malignant melanoma |
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What is this?
50% arise de novo, or from nevus, slow growth, UV exposure |
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Superficial malignant melanoma
Note slight elevation and variegated pigmentation |
| |
|
What is this?
50% arise de novo, or from nevus, slow growth, UV exposure |
|
Superficial malignant melanoma
Note spread to conjunctiva |
| |
Usually arise de novo from any pigmented cell and rarely from nevus, early vertical growth |
|
nodular malignant melanoma - 30% of all melanomas
can be partial or fully pigmented |
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Usually arise de novo from any pigmented cell and rarely from nevus, early vertical growth |
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nodular malignant melanoma - 30% of all melanomas
can be partial or fully pigmented
Note spreading in both pictures |
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Usually arise de novo from any pigmented cell and rarely from nevus, early vertical growth |
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nodular malignant melanoma - 30% of all melanomas
can be partial or fully pigmented
Note classic blueberry appearance |
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Firm, rubbery, nodular lesion, non-ulcerating |
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Sebaceous gland carcinoma, zeiss gland (best prognosis)
Mimics zeiss cyst |
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Firm, rubbery, nodular lesion, non-ulcerating |
|
Sebaceous gland carcinoma, caruncle
Note seeding into conj, vascularization |
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What is this? |
|
Sebaceous gland carcinoma, meibomian gland
Mimics chalazion
High mortality |
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What is this? |
|
Sebaceous gland carcinoma mimicking blepharitis:
note tylotic lids, madarosis, inflammation, seeding into conjunctiva |
| |
What is this? |
|
Sebaceous gland carcinoma mimicking other conditions: blepharitis |
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What is this? |
|
Sebaceous gland carcinoma, masquerading as recurrent chalazion |
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Slow growth, Solid, Cheesy contents |
|
Note normal or taut surface, inflammation, no keratosis |
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Slow growth, Solid, Cheesy contents |
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Note normal or taut surface, inflammation, no keratosis |
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Solid, long standing, stable |
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Milia: small epidermal inclusion cysts, surgical excision |
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Solid, cheesy core |
|
Epidermal inclusion cyst in caruncle area, with squamous papilloma in upper shadows with digital projections. |
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May be umbilicated, mimicking BCC |
|
sebacous gland hyperplasia |
| |
Solid, long standing, stable |
|
Milia |
| |
May be umbilicated, mimicking BCC |
|
sebacous gland hyperplasia |
| |
What is this? |
|
Sebaceous cyst (zeiss) - typically located on lid margin |
| |
Non translucent, yellowish, variable vascularization |
|
Large ziess cysts, marsupalization tx |
| |
Small fibrous growths, females more common |
|
Syringoma (sweat glands) |
| |
Small fibrous growths, females more common |
|
Syringoma (eccrine glands) |
| |
Small fibrous growths, females more common |
|
Syringoma (eccrine glands). note "buried grains of rice" |
| |
Often translucent, usually inner or outer canthi, rarely larger than 1-6mm |
|
Hydrocystoma of apocrine sweat glands (aka sudoriferous cysts) |
| |
Often translucent, usually inner or outer canthi, rarely larger than 1-6mm |
|
Hydrocystoma of apocrine sweat glands (aka sudoriferous cysts) |
| |
lipid deposits |
|
Xanthelasma |
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