Squamous Cell Carcinomas of the Skin Explore Angiogenesis-Independent Mechanisms of Tumour Vascularization

Table 1

Summary of the main clinical and histological characteristics of patients included in the study.

Category	BCC	SCC
Number of patients
Male	53	49
Female	17	21
Total	70	70
Age of diagnosis	73.3 (53.5–88.9)	76.2 (60.2–88.3)
Anatomic site
Head and neck	51 (72.8%)	53 (75.7%)
Extremities	6 (8.6%)	15 (21.4%)
Trunk	13 (18.6%)	2 (2.9%)
Histologic subtype	Superficial BCC: 23 (32.9%)	Well-differentiated SCC: 30 (42.8%)
	Nodular BCC: 42 (60.0%)	Moderately differentiated SCC: 37 (52.9%)
	Aggressive* BCC: 5 (7.1%)	Poorly differentiated SCC: 3 (4.3%)
Presence of LVI	0 (0%)	3 (4.3%)
Presence of PNI	0 (0%)	1 (1.4%)

BCC: basal cell carcinoma; SCC: squamous cell carcinoma; LVI: lymphovascular invasion; PNI: perineural invasion.
*Aggressive BCC group includes infiltrative, morpheaform, and micronodular subtypes.