Table 2 Spectrum of bony changes of lesions including type of bony involvement and grading of changes
No. | Type of bony change | Bony walls involved | Extent of bony changes | Presence of focal hyperostosis | Calcification | Channel involvement |
|---|---|---|---|---|---|---|
(1) | Remodeling and defects | Lateral wall and floor of maxillary sinus, right inferior turbinate | Severe 3 cm | None | None | Direct through medial wall and ostio-meatal unit |
(2) | Remodeling only | Medial antral wall | Mild < 1 cm | None | None | Minimal extension through ostio-meatal unit |
(3) | Remodeling and defects | Lateral nasal walls | Moderate 15 mm | The inferior turbinate | None | -Moderate extension through ostio-meatal unit with widening -Extension through frontal recess to FS |
(4) | 1-Remodeling and defects 2-Permeative destruction of septum | Right lamina papyracea remodeling defects. -Nasal septum destruction | Moderate 14 mm | None | Yes | Extension through ostio-meatal unit with widening |
(5) | Remodeling only | Lateral nasal wall | Mild < 1 cm | The inferior turbinate | None | Moderate nasal extension through ostio-meatal unit with widening |
(6) | None | None | None | None | None | Mild extension through Ostio meatal unit |
(7) | Remodeling only | Sphenoid sinus roof and lateral walls | Mild < 1 cm | None | None | Widening of both spheno-ethmoidal recesses |
(8) | None | None | None | None | None | -Minimal widening of frontal recess |
(9) | Remodeling only | Nasal septum | Mild | None | None | Widening of spheno-ethmoidal recesses |
(10) | Remodeling and defects | Lamina papyracea and bony nasal septum | Moderate 13 mm | None | None | Bilateral ostio-meatal units widening |
(11) | None | None | None | None | None | Widening of ostio-meatal unit with no erosions |
(12) | None | None | At postero-lateral wall of maxillary sinus | None | Widening of ostio-meatal unit with no erosions, No gross nasal extension | |
(13) | None | None | None | Along inter-sphenoid septum | None | Widening of ostio-meatal unit spheno-ethmoidal recesses |
(14) | None | None | None | The uncinate process | None | Widening of ostio-meatal unit with no erosions |
(15) | Remodeling and defects | Sphenoid sinus lateral walls and floor | Mild 4 mm | - | None | Widening of both spheno-ethmoidal recess |
(16) | Remodeling and defects | Alveolar arch cortex | Mild 9 mm | Sclerosis Branching frond-like + post-operative neo-osteogenesis | None | None |