Lid Anatomy and Benign Lesions (F) Flashcards
What is considered to be the anterior lamellae?
skin + orbicularis
What is considered to be the posterior lamellae?
septum + posterior structures
What are the patient complaints for lid angioedema? 1. What is the treatment? 2
- lid swelling without pain
2. medrol dose pack
When a tissue has low sectility, does it move around a lot or is it more stable? 1. Is it easier or harder to cut? 2
- moves more
2. harder (short blades)
When a tissue has high sectility, does it move around a lot or is it more stable? 1. Is it easier or harder to cut? 2
- stable
2. easy (long blades)
Should incisions be made with or against the skin lines?
with
How far away from the margin should you always be with lid surgeries?
at least 2mm
What percentage of eyelid lesions are benign?
75 to 80%
What is an increase in cell layers (epidermis) called?
acanthosis
What is the thickening or keratin layer called?
hyperkeratosis
What is an anomalous cell nuclei called?
atypia
What is premature keratinization called?
dyskeratosis
What is a proliferation or subepidermal papillae called?
papillomatosis
What is a retention of nuclei in the stratum corneum called?
parakeratosis
What are the types of benign cysts?
- sebaceous
- Moll (fluid) hidrocystoma
- Zeiss (lipid)
- epithelial inclusion cycts (milia) keratitin