Appendage Growths and Vascular Growths Flashcards
Tell me everything you know about Sebaceous Gland Hyperplasia
- Flesh colored
- Very common
- May mimick BCC
- Associated with Muir-Torre Syndrome
What are possible treatment options for Multiple Eccrine Hydrocystomas
- 1% Atropine Cream
- CO2 pulsed dye laser
- Botox
Where are Apocrine Hydrocystomas typically located?
Inner and outer canthi
What is the most common eyelid tumor arising from the appendages?
Eccrine Syringomas
Where do Eccrine Syringomas originate from? Who is most likely to have these lesions? What do they look like?
Epidermal eccrine sweat glands
Young women
Grains of yellow/flesh colored rice buried around the eyelids (most commonly the lower lid)
Who is most likely to have Sebaceous Gland Carcinoma? Where is this lesion found? What do they look like?
Old Asian Females
Upper lid
Rubbery, tough, lipidized nodules
Nodular. Yellow. Firm to touch. Non-ulcerated
What lesion might mimic a recurrent chalazion or internal hordeolum?
Sebaceous Gland Carcinoma
Sebaceous Gland Carcinoma arising from the ______ gland indicates the best prognosis.
Zeiss Gland
What causes sebaceous cell carcinoma? How serious is it? Risk factors? How is it treated?
Idiopathic
20% - 30% chance of metastasis
Older asian females
Treat with MOHs or orbital exenteration (if super fucked up)
What are the three types of capillary hemangioma?
Placoid
Nodular
Cherry hemangioma
What is nevus flammeous? What condition is it associated with?
Port-wine stain associated with Sturge-Weber
What are ways to treat capillary hemangioma? Where are they usually found?
Steroid injections
Propanolol
Capillary hamangioma is most commonly found on upper eyelid
What lesion has a “superficial crepe paper” appearance?
Placoid Capillary Hemangioma
What type of capillary hemangioma is associated with older age?
Cherry hemangioma
What are some differences between capillary hemangiomas and cavernous hemangiomas? (5)
Cavernous hemangiomas are:
- More difficult to remove surgically
- Begin later in life
- Deeper violet / blue color
- Form deeper in tissue
- Do no spontaneously regress
Why does a port-wine stain develop? What conditions is this associated with? How is it treated?
- Abnormal dilated of already existing blood vessels
- Associated with unilateral glaucoma and Sturge-Weber Syndrome
- Yellow Pulsed Dye Laser treatment early in life
What is Sturge-Weber Syndrome?
Port-wine stain birthmark with ipsilateral brain malformation
What is the difference between arterio-venous malformations and venous malformations?
Venous malformations consist of abnormal veins fed by normal capillaries. Characterized by deep purple hue
What are lymphangiomas? How serious are they? How are they treated?
Benign lesions that are treated with extensive, complicated surgery and occasionally respond to steroids.
Why do pyogenic granulomas form?
Aberrant wound healing in response to trauma, surgery, or inflammation. Neovascular component that are most often seen on the conjunctiva
What populations are most susceptible to developing Kaposi’s Sarcoma?
Mediterranean
Jewish
AIDS
How is Kaposi’s Sarcoma treated?
Typically with HAART therapy if due to AIDS or radiation/cryotherapy, retinoid cream, chemotherapy injection
What are characteristics of epidermal and dermal cysts?
- Solid
- Cheesy contents
- Inflammation
- No keratosis
How are epidermal inclusion cysts surgically removed? (or any cyst really)
Marsupalization
The cysts is removed within its fibrous capsule so that there are no residual epithelial cell to grow back
