| Lesion |
Basal cell carcinoma |
Squamous cell carcinoma |
| Incid. |
75% of skin cancers |
25% of skin cancers |
| Age |
Usually 40+ |
Usually 55+ |
| Sex |
Male > Female |
Male 2 : Female 1 |
| Causes |
Sunlight, arsenic, X-ray, trauma, burn scar |
Sunlight, radiation, arsenic, granuloma, etc. |
| Location |
Nodular - Head/Neck
Superficial - Trunk
Morphea - Face
|
Ear
Face
Dorsum of hand and forearm |
| Lesion |
Translucent - papule Telangict asias may have pigment in dark skin
Red - macule on plaque
Yellow-white - indunated maqule in plaque
|
1. Red, scaly papule. Indunated
2. On lip or genitals. It may be a fissure or small erosion that doesn't heal.
|
| Symptoms |
|
|
| |
Cosmetically objectionable.Ulcerates and bleeds |
Cosmetically objectionable. Papule and/or ulceration and bleeding |
| Rx |
< 1 cm 95% effective
<1 cm excision or radiation |
Excision or radiation |
| Course |
ED&C 95% effective
Rare metastases about 17% |
Low rate of metastases
(see additional handouts) |
