obsolete_Primary Intraosseous Squamous Cell Carcinoma true NCIT:C54295 EFO:1000492 http://purl.obolibrary.org/obo/MONDO_0006385 3.88.0 Replaced by Mondo term MONDO_0006385, with which this term was previously merged. Use: http://purl.obolibrary.org/obo/MONDO_0006385 primary intraosseous squamous cell carcinoma A squamous cell carcinoma that arises centrally from the jaw. It derives from odontogenic epithelial remnants. It includes solid type squamous cell carcinoma, squamous cell carcinoma that arises from an odontogenic cyst, and squamous cell carcinoma that derives from a keratocystic odontogenic tumor. UMLS:C1709663 PIOSCC