Patient no. * | T1 signal | T1 pattern | T2 signal | T2 pattern | Presence of cysts | Pattern on GAD enhancement | ADC value ** | Mass effect and presence of obstructive sinusitis |
---|---|---|---|---|---|---|---|---|
(1) | Slightly hyper-intense | Striated | Hypo-to-iso | Striated | None | Striated | 1.3 | Mild ethmoidal-maxillary sinusitis |
(2) | Iso-intense | None | Hypo | Striated | Yes -central | Striated enhancing cysts | 1.6 | Marked antro-choanal retention cyst |
(3) | Iso-intense Tiny hyper-focus | None | Hypo-to-iso | Striated | Yes -peripheral | Striated | 1.2 | Mild antral ad frontal sinus extension and sinusitis |
(4) | Iso-intense | None | Hypo-to-iso-intense | Striated | No cysts | Striated tiny internal cysts | 1.5 | Orbital extension- septal invasion and midline crossing |
(5) | Iso-intense | Striated | Hypo-to-iso-intense | Striated | Yes - at periphery | Striated Non-enhanced cysts | 1.4 | Obstructive sinusitis |
(6) | Hyper-intense | None | Hypo-to-iso-intense | Striated | No cysts | Striated | 1.2 | Minimal maxillary obstruction |
(7) | Iso -intense | None | Hypo-to-iso-intense | Striated | Yes - small cysts | Striated Enhancing and non-enhancing cysts | 1.1 | Sphenoiditis |
(8) | Iso-intense | None | Iso-intense | Striated | No cysts | Striated | 1.1 | Frontal sinus extension |
(9) | Iso-intense | None | Hypo-to-iso-intense | Striated | No cysts | Striated | 1.2 | None (Limited within sinus cavity) |
(10) | Slightly hyper-intense | None | Iso-intense | Striated (convoluted) | No cysts | Striated | 1.2 | Bilateral orbital extension Bilateral maxillary obstructive sinusitis |
(11) | Slightly hyper-intense | None | Iso-intense | Striated linear | No cysts | Striated | 1.0 | Obstructive maxillary sinusitis |
(12) | Slightly hyper-intense | Striated | Hypo-to-iso-intense | Striated linear | No cysts | Striated | 1.2 | Obstructive maxillary sinusitis |
(13) | Iso-intense | None | Hypo-intense | Striated linear | No cysts | Striated | 9.6 | Obstructive sphenoiditis |
(14) | Iso-intense | None | Iso-intense | Striated linear | No cysts | Striated | 1.2 | Obstructive maxillary sinusitis |
(15) | Hyper-intense | None | Mixed iso and deeply hypo-intense | Striated linear | No cysts | Striated Ill defined | 7.0 | None (limited within sinus cavity) |
(16) | Iso-intense | None | Iso-intense | Striated linear | No cysts | Striated | 1.4 | None (limited within sinus cavity) |