Imaging and clinical findings in patients with boomerang malleus-incus complex in patients with CAA
| Pt | Age (yr) | Sex | Side | Boomerang Malleus-Incus Complex | Attachment to Tympanic Segment of Facial Canal | Absent/Dysmorphic Stapes Capitulum | Oval Window Stenosis/Atresia | Attachment to Atretic Plate | Jahrsdoerfer Score | Intraoperative Reconstruction |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | M | R | Y | Y | Y | N | Y | 7 | Y-PORP |
| 2 | 9 | M | L | Y | Y | Y | N | Y | 8 | Y-No PORPa |
| 3 | 9 | F | R | Y | Y | Y | N | Y | 7.5 | Y-PORP |
| 4 | 4 | M | R | Y | Y | Y | N | Y | 7 | Y-PORP |
| 5 | 3 | M | R | Y | Y | Y | N | Y | 6 | Y-PORP |
| 6 | 6 | M | L | Y | Y | Y | N | N | 6 | Y-PORP |
| 7 | 11 | M | R | Y | Y | Y | N | N | 7.5 | Y-PORP |
| 8 | 6 | M | R | Y | Y | Y | N | Y | 7.5 | Y-PORP |
| 9 | 23 | M | L | Y | Y | Y | N | Y | 6 | Y-PORP |
| 10 | 5 | M | R | Y | Y | Y | N | N | 7 | No surgery |
| 11 | 8 | F | R | Y | Y | Y | N | Y | 6.5 | No surgery |
| 12 | 11 | F | R | Y | Y | Y | N | Y | 6.5 | No surgery |
Note:—Pt indicates patient; L, left; R, right; Y, yes; N, no.
↵a No PORP was placed because the incudostapedial joint was intact.