Malignant tumors of the paranasal sinus: Endonasal approach with endoscopes.

Table 2: Malignant tumors of the paranasal sinus: Endonasal approach with endoscopes.

Age	Sex	Signs/symptoms	Location	Histology	Adjuvant/neoadjuvant treatment	Local control	Follow-up
50	M	Nasal obstruction	Sphenoid	Melanoma T3	Radiotherapy	No tumor	5 years
5	M	Asymptomatic	Sphenoid	Abdominal neuroblastoma metastasis	Chemotherapy	Local persistence/metastasis	Died 6 months
58	M	Diplopía	Sphenoid	Hemangiopericytoma	Radiotherapy	No tumor	1 year
65	F	Nasal obstruction	Maxillary	Squamous cell carcinomaT3	Radiotherapy	No tumor	8 years
45	M	Headache	Esfenoides	Undifferentiated carcinoma T4a	QT/RT	Local persistence	Died at 1 year
81	F	Nasal obstruction	Ethmoid	Low-grade adenocarcinoma	Not	No tumor	6 years
52	M	Nasal obstruction	Ethmoid	Undifferentiated carcinoma T2	Chemotherap/radiotherapy	Local persistence metastasis	Died at 1 year
81	F	Nasal obstruction	Ethmoid	Spindle cell sarcoma	Not	No tumor	4 years
67	M	Nasal obstruction	Maxillary/ethmoid	Squamous cell carcinomaT4a	Chemotherap/radiotherapy	Local persistence	Died at 3 months
67	M	Nasal obstruction	Ethmoid	Intermediate grade adenocarcinoma	Radiotherapy	Local persistence	6 months
52	M	Nasal obstruction/ epistaxis	Ethmoid	Undifferentiated carcinoma T4a	Chemotherap/radiotherapy	Local persistence	Died at 2 months
64	M	Nasal obstruction	Ethmoid	Esthesioneuroblastoma Kadish A	Not	No tumor	1 year