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29 Cards in this Set

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idiopathic protuberances of bone, midline palate and Lingual of anterior mandible. Esp. Asian, native American, Inuit populations
Tori
BFOL’s stands for:
Benign Fibrooseous Lesions (of the jaws)
bone mass on buccal alveolar bone
Exostoses
Asian and Native American
Tori
normal bone is replaced by benign fibrous CT + immature and/or cementum like material. A benign abnormal change in the bone quality (not really a true dysplasia).
Cementoosseous dysplasia
affects apices of mandibular incisors, more common in Black females 20-30’s causing multiple RL (à opaque w/t)lesions of VITAL teeth. Tx: none
Periapical cementoosseous dysplasia (periapicocemmento dysplasia)
Black females age 20-30's
Periapical cementoosseous dysplasia (periapicocemmento dysplasia):
Slow expansion of jaws and craniofacial bones à well circumscribed defined border, mixed RL (variable presentation). Tx: complete surgical excision.
Ossifying fibroma
Developmental disorder caused by the mutation of GNAS1 Gene à abnormal fibrous CT = not well circumscribed immature woven bone with dysplasia (will not mature). 3 types: monostatic (single part of body), polystatic (multiple), McCune-Albright syndrome (polyostotic fibrous dysplasia, café-au-lait, endocrine abnormalities). Can involve jaws and other bone, 10-20 years old – normally stabilizes after puberty, classic “Ground Glass” appearance. Tx: recontour after growth stops.
Fibrous dysplasia
same as PA Cementoosseous Dysplasia but NOT in mandibular incisors, 90% women, RL/mixed, may need to be biopsied.
Focal cementoosseous dysplasia
jaw and craniofacial bone expansion
Ossifying fibroma
90% women
Focal cementoosseous dysplasia
exuberant form, esp black women, multiquadrant +/- RL, prone to osteomyelitis
Florid cementoosseous dysplasia
GNAS1 Gene mutation; histo: 'ground glass' look
Fibrous dysplasia
cementoosseous dysplasia that is found EVERYWHERE
Florid cementoosseous dysplasia:
Nocturnal pain (most others cause no pain) relieved by NSAIDs. Resembles other BFOLs esp mixed radiolucent/radiopaque. Tx: excision.
Osteoblastoma(>1.5-2 cm)/Osteoid Osteoma(<1.5-2 cm)
Benign proliferation of bone common in paranasal sinuses. No Tx necessary. Multiple osteomas à think Gardner’s syndrome (numerous impacted teeth, intestinal premalignant polyps).
Osteoma
Osteoblastoma or Osteoid Osteoma is <1.5-2cm?
Osteoid Osteoma
multiple Osteoma's, numerous impacted teeth, intestinal premalignant polyps
Gardner’s syndrome
Night pain
Osteoblastoma/Osteoid Osteoma
Bone proliferation in PARANASAL SINUSES
Osteoma
area of increased bone density of unknown etiology = increased/well defined RP usually< 1cm, NOT associated with inflamed tooth.
Ideopathic osteosclerosis aka dense bone island
reaction due to chronic pulpal inflammation. Does not require aggressive Tx like true osteomyelitis.
Condensing Osteitis aka focal sclerosing osteomyelitis
"dense bone island"
Ideopathic osteosclerosis
"focal sclerosing osteomyelitis"
Condensing Osteitis
Benign proliferation of multineuclated giant cells of jaws, most multilocular / some unilocular. Histo: multinucleated giant cells (identical to cherubism = multiple CGCG’s of the jaw, peripheral giant cell granuloma and “brown tumor.”
Central Giant Cell Granuloma
Central (intraosseous) vascular malformation à teeth my extrude +/- spontaneous bleeding/bruit. Radio: most multilocular, “soap bubble” +/- sun-ray-like appearance.
Hemangioma of Bone
histo: multinucleated giant cells
Central Giant Cell Granuloma
'soap bubble' x-ray
Hemangioma of Bone