N

Age

Sex

Sign/Symptom

Localization

Histology

T Stage

Treatment

  Local   

  control

1

51

M

Decrease visual acuity

Sphenoid, ethmoid with intracranial invasion

Synchronoussquamous cell carcinoma

T4-B

CT + RT

yes

(5 years)

2

64

M

Right nasal obstruction

and decreased visual acuity

Sphenoid, ethmoid, with intracranial invasion

Synchronoussquamous cell carcinoma

T4-B

CT + RT

Died with local disease

3

66

M

Frontal tumor and

right exophthalmos

Frontal sinus, right ethmoid and orbit

Metachronous

Squamousc ell

carcinoma

T4-A

CT + RT

no

palliative treatment

4

67

M

Right nasal obstruction

Maxillary sinus,

Ethmoid with invasion

Of skull base and pterygomaxillary fossa

Synchronoussquamous cell carcinoma

T4-A

Surgery +

  CT + RT

Died with

local disease

5

75

F

Right nasal obstruction

Maxillary sinus with posterior wall erosion

Synchronous

Squamous cell carcinoma

T3

Surgery +

RT

yes

(5 years)

6

59

M

Left nasal obstruction

Ethmoid, left nasal cavity, medial wall of maxillary sinus and medial wall of orbit invasion

Synchronoussquamous cell carcinoma

T3

Surgery +

RT

yes

(1 year)

7

61

F

Right nasal obstruction

Ethmoid and frontal recess

Metachronous

Squamous cell carcinoma

T2

Surgery

yes

(5 years)