Skin & subcutaneous tissues

Question 1

Neurofibromatosis features (Von Recklinhausen)(5)

Answer 1

1. Fibroepithelian skin tags (neurofibroma)
2. Light-brown discolouration (cafe au lait patches)
3. Acoustic neuroma (major nerve) and dumb-bell neuroma (sensory root)
4. 5% risk of neurofibrosarcoma
5. Phaeochromocytoma

Question 2

Hypertrophic scar vs Keloid

Answer 2

1. Hypertrophic confined to original scar, keloid is beyond

2. Hypertrophic scar enlarge for 2-3 months, keloid 6-12 months