General Surgery — Flashcards

Flashcard 681: Topical treatments for superficial Basal Cell Carcinoma (BCC) include _____.

Answer: Imiquimod or 5-Fluorouracil

Extra: Imiquimod (an immune response modifier) and 5-FU (an antimetabolite) are used specifically for superficial BCCs in low-risk areas.

Flashcard 682: _____ is an infection of muscle & fat surrounding the orbit posterior to the orbital septum

Answer: Orbital cellulitis

Flashcard 683: _____ usually arise within pre-existing actinic keratosis.

Answer: Squamous cell carcinomas (SCC)

Extra: Actinic keratosis is a premalignant skin lesion caused by chronic UV exposure. While most do not progress, the majority of Squamous Cell Carcinomas (SCC) arise from pre-existing AK lesions. In contrast, Basal Cell Carcinoma (BCC) usually arises de novo.

Flashcard 684: _____ = in-turning of the eyelids Ectropion = out-turning of the eyelids

Answer: Entropion

Flashcard 685: _____ are developments of SCCs at the site of a scar or ulcer usually around 30 years post-injury

Answer: Marjolin ulcers

Flashcard 686: _____ is an invasive malignant tumour of the epidermal keratinocytes which has the potential to metastasise

Answer: Squamous cell carcinoma (SCC)

Flashcard 687: Melanomas are considered _____ if they have spread to the dermis

Answer: invasive

Flashcard 688: What is the most common primary morphology of basal cell carcinoma? _____

Answer: Nodular

Flashcard 689: Melanomas are more common on the _____ in women and the trunk in men

Answer: legs

Flashcard 690: Meibomian cysts (chalazion) are more common in _____

Answer: Adults

Extra: Note: While more common in adults, a recurrent or persistent Meibomian cyst in an **elderly** patient must be biopsied to rule out **Sebaceous Cell Carcinoma**.