TABLE 2.
Pelvic MRI findings in patients with hidradenitis suppurativa and Crohn’s disease
| Morphologic characteristics | CD | HS |
|---|---|---|
| Inflammatory features | ||
| Abscess | 0/4 | 3/3 |
| Sinus tract | 4/4 | 1/3 |
| Classification | ||
| Complex | 0/4 | 0/3 |
| Intersphincteric | 0/4 | 0/3 |
| Extrasphincteric | 4/4 | 0/3 |
| Transphincteric | 0/4 | 0/3 |
| Suprasphincteric | 0/4 | 0/3 |
| Superficial | 0/4 | 3/3 |
| Penetration into the sphincter mechanism | 0/4 | 0/3 |
| Anatomical regions | ||
| Ischiorectal fosse | 0/4 | 0/3 |
| Sacral/gluteal | 1/4 | 3/3 |
| Anterior/inguinal | 0/4 | 0/3 |
| Natal cleft | 2/4 | 0/3 |
| Perianal | 4/4 | 0/3 |
| Additional features | ||
| Lymphadenopathy | 3/4 | 0/3 |
| Rectal wall thickening | 1/4 | 0/3 |
| Myositis | 0/4 | 0/3 |
| Subcutaneous edema | 2/4 | 2/3 |
| Skin thickening | 1/4 | 1/3 |
| Global features | ||
| Predominance in perianal area | 3/4 | 0/3 |
| Bilaterality | 1/4 | 3/3 |
CD = Crohn’s disease; HS = Hidradenitis suppurativa.