Inflammatory Myofibroblastic Tumors in Paranasal Sinus and Nasopharynx: A Clinical Retrospective Study of 13 Cases

Table 2

Treatment and follow-up data.

Case number	Main sites	Treatment	ALK	PD-L1	Months after diagnosis	Outcome
1	PS	IR + Pred + RT	-	-	79	Stable
2	PS, NP, orbit	IR +Pred + CT	-	+	/	Lost
3	PS, IF	Pred + CT + RT	-	+	41	DOD
4	PS, orbit	Pred + CT + RT	-	-	87	Stable
5	PS, orbit	IR + Pred + CT	-	+	12	Stable
6	PS, IF	Pred + CT + RT	-	-	50	Stable
7	PS, NP	IR + Pred + RT	+	+	20	Stable
8	PS, orbit	Pred + CT	-	+	62	Stable
9	NC, PS	IR + RT	/	/	/	Lost
10	NP	Pred + RT	-	+	22	Stable
11	PS, orbit, SB	UK	-	+	/	Lost
12	PS, SB	CR	-	+	2	DOD
13	Parapharyngeal space	Observation	-	+	37	Stable

CR, Complete resection; CT, chemotherapy; DOD, died of disease; IF, infratemporal fossa; IR, incomplete resection; NC, nasal cavity; NP, nasopharynx; Pred, prednisone; PS, paranasal sinus; RT, radiotherapy; SB: skull base; Stable, alive with disease, but there are various improvements and no disease progression; UK, unknown.