Pathologic quiz case 2. Psammomatoid (juvenile) ossifying fibroma (POF) of the ethmoid sinus.
Rosen
C A
CA
Cohen
J I
JI
Coale
F S
FS
D002648:Child; D005005:Ethmoid Sinus / Q000473:pathology*; D005350:Fibroma / Q000473:pathology*; D006801:Humans; D008297:Male; D010255:Paranasal Sinus Neoplasms / Q000473:pathology*