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Table 4 Magnetic resonance imaging features of the “striated pattern” sign, using different parameters

From: Imaging of sino-nasal inverted papilloma: How can we emphasize the usefulness of the “striated pattern” sign?

Patient no.

Diffuse versus non-diffuse

Direction of linear striations

Relation of striation to sclerosis

Visibility of striations in T2 versus post-gadolinium-enhanced image (GAD)

(1)

Diffuse

Parallel

-

T2 = GAD

(2)

Diffuse

Convoluted

-

T2 > GAD

(3)

Diffuse

Divergent

Divergent from sclerosis

T2 > GAD

(4)

Diffuse

Parallel

-

GAD > T2

(5)

Diffuse

Parallel

 

T2 > GAD

(6)

Diffuse

Parallel

-

T2 > GAD

(7)

Diffuse

Divergent

-

T2 > GAD

(8)

Diffuse

Parallel

 

T2 > GAD

(9)

Diffuse

Parallel

 

T2 > GAD

(10)

Diffuse

Convoluted

-

GAD > T2

(11)

Diffuse

Parallel

-

GAD > T2

(12)

Diffuse

Divergent

Divergent from sclerosis

GAD = T2

(13)

Diffuse

Divergent

Divergent from sclerosis

T2 > GAD

(14)

Diffuse

Divergent

Sclerosis bisects the lesion

T2 > GAD

(15)

Diffuse

Parallel

-

T2 > GAD

(16)

Diffuse

Divergent

Divergent from branching sclerosis

T2 > GAD