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Dermatology
Benign Epidermal Tumors and Proliferations
Built from Dermatology, 5th Edition
What’s inside
6 sections · 147 slides
Overview
- What this topic covers
- Classifying the benign epidermal proliferations
Lentigines and Keratoses
Solar lentigo, seborrheic keratosis, lichenoid keratosis, dermatosis papulosa nigra, stucco keratosis
- Solar lentigo
- Solar lentigo - who gets it and why
- Solar lentigo - clinical appearance
- PUVA lentigo and xeroderma pigmentosum
- Dermoscopy and histology of solar lentigo
- Solar lentigo - telling it apart, and treatment
- Seborrheic keratosis
- Seborrheic keratosis - background and risk
- Seborrheic keratosis - how it forms (1)
- Seborrheic keratosis - how it forms (2)
- From sun damage to a keratotic plaque
- Seborrheic keratosis - clinical appearance
- Seborrheic keratoses on the back and chest
- Seborrheic keratoses of varying size and color
- Seborrheic keratosis and internal cancer
- Sign of Leser-Trelat
- How a paraneoplastic sign tracks a hidden tumor
- Six histologic patterns of seborrheic keratosis
- Seborrheic keratosis - spectrum of histologic subtypes
- Seborrheic keratosis - lookalikes (1)
- Seborrheic keratosis - lookalikes (2)
- Seborrheic keratosis - treatment
- Lichenoid keratosis
- Lichenoid keratosis - who gets it and why
- Lichenoid keratosis - clinical appearance
- Lichenoid keratosis under the microscope
- Lichenoid keratosis - pathology and lookalikes
- Dermatosis papulosa nigra
- Dermatosis papulosa nigra - clinical appearance and cause
- Dermatosis papulosa nigra - facial distribution
- Dermatosis papulosa nigra - pathology and treatment
- Stucco keratosis
- Stucco keratosis - who gets it and why
- Stucco keratosis - clinical appearance
- Stucco keratoses on the ankle and foot
- Stucco keratosis - lookalikes and treatment
Porokeratosis and Related Keratotic Disorders
Porokeratosis and its variants, Flegel disease, acrokeratosis verruciformis, cutaneous horn
- Porokeratosis
- Porokeratosis - name and mechanism
- Porokeratosis - discovery timeline
- Porokeratosis - who gets which type
- Porokeratosis - the broken pathway
- Enzymes of the mevalonate pathway in porokeratosis
- A germline gene fault plus a second hit
- From a faulty gene to a keratotic rim
- Porokeratosis of Mibelli and DSAP
- Porokeratosis - how the variants spread
- Distinguishing DSAP from actinic keratosis on the legs
- Other clinical variants of porokeratosis
- Porokeratosis - the range of clinical variants
- Clinical variants of porokeratosis
- Clinical variants of porokeratosis (continued)
- Porokeratosis - the cornoid lamella under the microscope
- Cornoid lamella on biopsy
- Cornoid lamella - absent granular layer
- Disseminated superficial actinic porokeratosis on the shins
- Dermoscopy of the keratotic rim in DSAP
- Linear porokeratosis with coexisting DSAP
- Linear porokeratosis - reticular streaks
- Actinic porokeratosis after organ transplant
- Eruptive disseminated porokeratosis
- Porokeratosis - lookalikes and cancer risk
- Porokeratosis - treatment
- Flegel disease
- Flegel disease - clinical appearance and pathology
- Flegel disease on the shins
- Flegel disease - lookalikes and treatment
- Acrokeratosis verruciformis of Hopf
- Acrokeratosis verruciformis - pathology and treatment
- Cutaneous horn
- Cutaneous horn arising from an actinic keratosis
- Cutaneous horn - treatment
Epidermal Acanthomas
Clear cell, inverted follicular, warty, acantholytic, epidermolytic, and large cell acanthoma
- Clear cell acanthoma
- Clear cell acanthoma - cause and appearance
- Clear cell acanthoma - clinical and pathologic appearance
- Clear cell acanthoma - lookalikes and treatment
- Inverted follicular keratosis
- Inverted follicular keratosis under the microscope
- Inverted follicular keratosis - lookalikes
- Warty dyskeratoma
- Warty dyskeratoma - a cup-shaped invagination
- Warty dyskeratoma - lookalikes and treatment
- Acantholytic (dyskeratotic) acanthoma
- Epidermolytic acanthoma
- Solitary epidermolytic acanthoma
- Epidermolytic acanthoma - lookalikes and treatment
- Large cell acanthoma
- Large cell acanthoma - clinical and pathologic appearance
- Large cell acanthoma - enlarged keratinocytes
Nevi and Hamartomas Along the Lines of Blaschko
Epidermal nevus, inflammatory linear verrucous epidermal nevus (ILVEN), nevus comedonicus
- What "nevus" means in dermatology
- Epidermal nevus
- 1 in 1000
- Epidermal nevus - clinical appearance
- Epidermal nevus on the eyelid
- Epidermal nevus syndrome
- Epidermal nevus - how common are other anomalies
- Epidermal nevus - pathology, lookalikes, and treatment
- Inflammatory linear verrucous epidermal nevus
- ILVEN - the genes involved
- ILVEN - clinical appearance
- ILVEN on the thigh
- ILVEN following the lines of Blaschko
- ILVEN - lookalikes
- ILVEN - treatment options
- Nevus comedonicus
- Nevus comedonicus - the genes involved
- Nevus comedonicus - clinical appearance
- Nevus comedonicus - lookalikes and treatment
- A shared molecular thread
- Somatic activating mutations in benign epidermal tumors
- Somatic activating mutations in benign epidermal tumors (continued)
Papillomatous and Pigmentary Epidermal Proliferations
Acanthosis nigricans, nevoid hyperkeratosis of the nipple, confluent and reticulated papillomatosis, terra firma-forme dermatosis, clear cell papulosis
- Acanthosis nigricans
- Nevoid hyperkeratosis of the nipple and areola
- Nevoid hyperkeratosis of the areola
- Nevoid hyperkeratosis of the nipple - treatment
- Confluent and reticulated papillomatosis
- CARP - what causes it
- CARP - clinical appearance
- CARP - reticulated papules on the back
- CARP on the chest
- CARP on the chest and neck
- CARP - pathology and lookalikes
- ~50%
- CARP - treatment options
- Terra firma-forme dermatosis
- Clear cell papulosis
- Clear cell papulosis - pathology, lookalikes, and outcome
- Putting it together (1)
- Putting it together (2)
- References
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- References (continued)
- Dermatology, 5th Edition (2-Volume Set)