TRI 4: DXI 2: Primary Osteogenic Tumors ; Questions and Answers
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Course
DXI
Institution
DXI
TRI 4: DXI 2: Primary Osteogenic Tumors ;
Questions and Answers
hamartoma Correct Answer-focal malformation of cells that are normally in
that location
osteoma Correct Answer--benign hamartoma of bone
-abnormally dense but otherwise normal bone
-predominantly involving skull & facial bones (...
TRI 4: DXI 2: Primary Osteogenic Tumors ;
Questions and Answers
hamartoma Correct Answer-focal malformation of cells that are normally in
that location
osteoma Correct Answer--benign hamartoma of bone
-abnormally dense but otherwise normal bone
-predominantly involving skull & facial bones (frontal & ethmoid sinuses)
osteoma Correct Answer--most are less then 2cm
-present in second to fifth decades
-3:1 female:male
-usually asymptomatic
osteoma Correct Answer--may interfere with sinus drainage
-may lead to chronic sinusitis
-may cause headaches
-rarely protrudes into cranial vault or orbit
-can cause cosmetic deformity
osteoma Correct Answer--harbor no malignant potential
-no treatment necessary if asymptomatic
-with complication, treatment is surgical excision
gardner syndrome Correct Answer-triad of abnormal growths
, TRI 4: DXI 2: Primary Osteogenic Tumors ;
Questions and Answers
-multiple osteomas
-colonic polyposis
-soft tissue fibromas
gardner syndrome Correct Answer--rare condition with autosomal dominant
transmission
-bone lesions usually seen before polyps and fibromas
colonectomy Correct Answer-reserved for patients with 30+ polyps on
colonoscopy or with biopsy showing dysplasia or malignant degeneration of
polyps
enostoma Correct Answer--*"bone island"*
-benign hamartoma of bone, composed of compact lamellar bone within normal
spongiosa
-asymptomatic
enostoma Correct Answer--more common in adult but can be seen at any age
-usually does not change in size
-usually benign
enostoma Correct Answer--can be seen in any bone except the skull
-commonly seen in ischium, ilia, sacrum, & proximal femora
-rare in spine (if in spine, lumbar more common)
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