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Difference between revisions of "Osteoblastoma"
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| Prevalence = | | Prevalence = | ||
| Bloodwork = | | Bloodwork = | ||
| Rads = > | | Rads = often >=2.0 cm (similar lesions 1-2 cm may be [[osteoid osteoma]]), often well-circumscribed, +/-cortical expansion, +/-cortical destruction | ||
| Endoscopy = | | Endoscopy = | ||
| Prognosis = benign, may be locally destructive | | Prognosis = benign, may be locally destructive | ||
| Line 40: | Line 40: | ||
*Bone. | *Bone. | ||
**Vertebral column and sacrum - most common in one large series.<ref name=pmid8119712>{{Cite journal | last1 = Lucas | first1 = DR. | last2 = Unni | first2 = KK. | last3 = McLeod | first3 = RA. | last4 = O'Connor | first4 = MI. | last5 = Sim | first5 = FH. | title = Osteoblastoma: clinicopathologic study of 306 cases. | journal = Hum Pathol | volume = 25 | issue = 2 | pages = 117-34 | month = Feb | year = 1994 | doi = | PMID = 8119712 }}</ref> | **Vertebral column and sacrum - most common in one large series.<ref name=pmid8119712>{{Cite journal | last1 = Lucas | first1 = DR. | last2 = Unni | first2 = KK. | last3 = McLeod | first3 = RA. | last4 = O'Connor | first4 = MI. | last5 = Sim | first5 = FH. | title = Osteoblastoma: clinicopathologic study of 306 cases. | journal = Hum Pathol | volume = 25 | issue = 2 | pages = 117-34 | month = Feb | year = 1994 | doi = | PMID = 8119712 }}</ref> | ||
* | *Size important as per WHO definition:<ref name=pmid25224389>{{Cite journal | last1 = Yalcinkaya | first1 = U. | last2 = Doganavsargil | first2 = B. | last3 = Sezak | first3 = M. | last4 = Kececi | first4 = B. | last5 = Argin | first5 = M. | last6 = Basdemir | first6 = G. | last7 = Oztop | first7 = F. | title = Clinical and morphological characteristics of osteoid osteoma and osteoblastoma: a retrospective single-center analysis of 204 patients. | journal = Ann Diagn Pathol | volume = 18 | issue = 6 | pages = 319-25 | month = Dec | year = 2014 | doi = 10.1016/j.anndiagpath.2014.08.006 | PMID = 25224389 }}</ref> ‡ | ||
*>= 2.0 cm: osteoblastoma. | |||
*<=1.0 cm: [[osteoid osteoma]]. | |||
*>1 cm and <2 cm: clinical and radiologic criteria should be considered. | |||
Note: | |||
*‡1.5 cm is a [[diagnostic size cutoff]] seen in older references.<ref name=Ref_Sternberg4_286>{{Ref Sternberg4|286}}</ref> | |||
===Radiology=== | ===Radiology=== | ||