Fig. 2
From: Clinically relevant phenotypes in chronic rhinosinusitis
a - Radiographic evidence of CCAD with central disease and peripheral clearing; b - “black halo”sign
Fig. 2 | Journal of Otolaryngology - Head & Neck Surgery
From: Clinically relevant phenotypes in chronic rhinosinusitis
a - Radiographic evidence of CCAD with central disease and peripheral clearing; b - “black halo”sign