… the Appropriateness Criteria for cancers arising in the nasal cavity and paranasal sinuses
(maxillary, sphenoid, and ethmoid sinuses). … Rare and unusual nasal cavity cancers, such as …

… can better distinguish tumors from the more T2 hyperintense sinus inflammatory changes …
nasal cavity. CSF leaks of the temporal bone are included in the ACR Appropriateness Criteria…

… remains in the paranasal sinuses and nasal cavity, imaging may … Sinus CT imaging is
appropriate per clinical judgment in … The American College of Radiology Appropriateness Criteria …

… The American College of Radiology Appropriateness Criteria … paranasal sinuses with IV
contrast Usually Appropriate ☢☢☢ … sinuses without and with IV contrast Usually Appropriate ○ …

… tumors. They arise from the olfactory epithelium found at the roof of the ethmoid sinuses,
cribriform plate, upper nasal … Paranasal sinus cancers differ from other squamous cell cancers of …

… <4 cm in diameter had a 75% 5-year survival rate, whereas tumors >10 cm in diameter …
renal sinus fat and venous infiltration, is a significant prognostic factor as well [11]. Hence, tumors …

… The underlying factors which may lead to sinusitis in children include nasal airway obstruction,
immunodeficiencies, alterations in the mucosa of the sinuses and nasal passageways, …

… The American College of Radiology (ACR) seeks and encourages collaboration with other
organizations on the development of the ACR Appropriateness Criteria® through society …

Locoregional recurrence following surgical resection alone for stage III/IV head and neck
cancer is common. Adjuvant radiotherapy has been shown to improve post-operative …

… The American College of Radiology Appropriateness Criteria are evidence‐based guidelines
for specific clinical conditions that are reviewed every 3 years by a multidisciplinary expert …