Non-pigmented lesions/tumours Flashcards
What is the name for the benign epidermal tumour, Harry described as looking like a “chocolate chip cookie”?
Seborrhoeic keratosis
Name 3 pre-cancerous epidermal dysplasias:
Bowen’s disease
Actinic Keratosis
Viral lesions
What are the common areas for BCCs?
face, neck, lower legs (particularly in women)
What are the three main subtypes of BCC?
Nodular, superficial, infiltratve
Which subtype of BCCs are most invasive?
Infiltrative
What may BCCs spread along?
Nerves
Are the margins of a BCC lesion usually well defined or poorly defined?
Poorly defined
What can superficial BCC look a bit like?
Eczema
Nodular BCCs form nodules, what do superficial BCCs form?
Sprouts
What is a very common site for a BCC?
Face, near eye
Nodular BCCs form nodules and superficial BCCs form sprouts, what is formed in infiltrative BCCs?
Cords of tumour
What is almost always shown in precursors for malignancy?
Dysplasia
What type of carcinoma can Bowen’s disease predispose?
SCC
Is there dermal invasion with Bowen’s disease?
No
Scaly patch/plaque
Irregular border
No dermal invasion
What can Bowen’s disease look like?
Eczema
But can see sharply defines plaque
