Fat, Muscle, Cartilage, Bone Flashcards
1
Q
A
Mobile Encapsulated Lipoma
2
Q
A
Hibernoma
3
Q
A
Angiomyolipoma
(some consider this an angioleiomyoma with mature fat admixed)
4
Q
A
Nevus lipomatosis
5
Q
A
Osteoma cutis
6
Q
A
Accessory tragus
7
Q
A
Subungual Exostosis
8
Q
A
Chondroma
9
Q
A
Pilar leiomyoma
10
Q
A
Angioleiomyoma
11
Q
A
Leiomyosarcoma
- High cellularity
- Mitoses and nuclear atypia
- desmin+
12
Q
A
Atypical lipomatous tumor
(aka Well Diff Liposarcoma)
- Lipocytes vary in size
- Atypia noted near septae
- Positive for MDM2 and CDK4 by IHC or FISH
13
Q
A
Pleomorphic liposarcoma
14
Q
A
Pleomorphic lipoma
- MN floret cells
- Ropey collagen
- Mature lipocytes help to differentiate from liposarcoma
15
Q
A
Smooth muscle hamartoma
(essentially the same as a beckers nevus)