Chapter 5 Flashcards
1
Q
According to Elston, what looks like a clonal seborrheic keratosis but has ducts?
2
Q
What is the diagnosis for the following phrase: “Blue islands floating in a sea of snot”?
A
Mucinous carcinoma
Islands of blue cells surrounded by mucin
3
Q
According to Elston, “what is a syringoma from hell?”
A
Microcystic adnexal carcinoma (MAC)
- MAC differentiates as pilar and sweat
- Sclerosing sweat duct carcinoma is a subtype of MAC (“a sweaty MAC”) → differentiates only as sweat; “monophasic” → only has pink “paisley tie” islands (not blue islands like in MAC)
4
Q
What are the histologic features of a hidrocystoma?
A
- A simple sweat duct cyst with cuboidal epithelium
- Can be stretched out
5
Q
What is the primordial sweat gland, according to Elston?
A
Apocrine glands
6
Q
A
Also known as a chondroid syringoma
Anastomosing strands surrounding myxoid stroma
Has mesenchymal elements and epithelial elements