Table I.

Reported ameloblastic carcinomas with spindle-cell differentiation^a

Reference	Patient		Site	Duration	Diagnosis	Metastasis	Recurrence	Follow-up
	Age	Sex
Slootweg and Müller, 19844	75	Male	Mandible	—	Intraosseous carcinoma with features of ameloblastoma	Not detected	Present	Died after 2 years, 2 weeks
Nagai et al., 19919	50	Male	Mandible	11 Months	Ameloblastic carcinoma	—	Present	—
Infante–Cossio et al., 199810	69	Female	Maxilla	3 Months	Ameloblastic carcinoma	Not detected	Absent	Free of disease 5 years postoperatively
Lau et al., 199811	23	Male	Mandible	—	Ameloblastic carcinoma	—	—	Free of disease 5 years postoperatively
Kawauchi et al., 200312	67	Male	Mandible	—	Spindle cell ameloblastic carcinoma	Lung	—	—
Ismail et al., 200913	21	Female	Mandible	3 Years	Spindle cell ameloblastic carcinoma	—	—	—
Present case	65	Female	Mandible	19 Years	Spindle cell ameloblastic carcinoma	—	2 Months	Free of disease to time of writing

^aThe term “spindle-cell ameloblastic carcinoma” was introduced in 1999 by Slater ²¹; cases reported before 1999 were therefore diagnosed as ameloblastic carcinoma only, even though they showed spindle-cell differentiation in the tumour mass.