Table 1.

Demographic and relevant clinical information

Age (years)	Mean 52.2 (46.2–58.2)		Median 49 (40–63)
Gender	Female 15 (48.4%)		Male 16 (51.6%)
Primary lesion causes	Burn 19 (61.3%)	Trauma/surgery 7 (22.6%)	Infection 5 (16.1%)
Latency period (years)	Mean 42.9 (35.3–50.5)		Median 46 (33–60)
Pre‐ulceration period (years)	>20 years 25 (80.7%)		≤20 years 6 (19.3%)
Post‐ulceration period (months)	Mean 37.5 (7.0–67.9)		Median 6 (2–24)
Ulceration causes	Spontaneous 12 (38.7%)	Trauma 10 (32.3%)	Scratching 5 (16.1%)	Incomplete healing 4 (12.9%)
Scalp areas involved	Top 24 (77.4%)	Occiput 13 (41.9%)	Temple 7 (22.6%)
Scar contracture	Yes 6 (19.4%)		No 25 (80.6%)
Repeated rupture	Yes 7 (22.6%)		No 24 (77.4%)