Difference between revisions of "Osteoblastoma"

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| Assdx      =
| Assdx      =
| Syndromes  =
| Syndromes  =
| Clinicalhx =  
| Clinicalhx = usu. 15-20 years old, males > females
| Signs      =  
| Signs      =  
| Symptoms  =  
| Symptoms  = +/-pain
| Prevalence =
| Prevalence =
| Bloodwork  =
| Bloodwork  =
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*Benign bone tumour.
*Benign bone tumour.
*Uncommon.<ref name=pmid23362588>{{Cite journal  | last1 = Khan | first1 = IS. | last2 = Thakur | first2 = JD. | last3 = Chittiboina | first3 = P. | last4 = Nanda | first4 = A. | title = Large sacral osteoblastoma: a case report and review of multi-disciplinary management strategies. | journal = J La State Med Soc | volume = 164 | issue = 5 | pages = 251-5 | month =  | year =  | doi =  | PMID = 23362588 }}</ref>
*Uncommon.<ref name=pmid23362588>{{Cite journal  | last1 = Khan | first1 = IS. | last2 = Thakur | first2 = JD. | last3 = Chittiboina | first3 = P. | last4 = Nanda | first4 = A. | title = Large sacral osteoblastoma: a case report and review of multi-disciplinary management strategies. | journal = J La State Med Soc | volume = 164 | issue = 5 | pages = 251-5 | month =  | year =  | doi =  | PMID = 23362588 }}</ref>
*Typically age 15-20 and male (male:female = ~2:1).<ref name=pmid20345366>{{Cite journal  | last1 = Villalobos | first1 = CE. | last2 = Rybak | first2 = LD. | last3 = Steiner | first3 = GC. | last4 = Wittig | first4 = JC. | title = Osteoblastoma of the sternum--case report and review of the literature. | journal = Bull NYU Hosp Jt Dis | volume = 68 | issue = 1 | pages = 55-9 | month =  | year = 2010 | doi =  | PMID = 20345366 }}</ref>
*Treatment: resection.<ref name=pmid20345366/>


==Gross==
==Gross==

Revision as of 21:26, 26 August 2013

Osteoblastoma
Diagnosis in short

Osteoblastoma. H&E stain.

LM anastomosing bony trabeculae with variable mineralization, osteoblast rimming, no nuclear atypia of osteocytes
LM DDx osteoid osteoma, osteosarcoma
Clinical history usu. 15-20 years old, males > females
Symptoms +/-pain
Radiology > 1.5 cm (smaller lesions osteoid osteoma)
Clin. DDx osteosarcoma

Osteoblastoma is benign primary bone tumour.

General

  • Benign bone tumour.
  • Uncommon.[1]
  • Typically age 15-20 and male (male:female = ~2:1).[2]
  • Treatment: resection.[2]

Gross

  • Bone.
    • May be in the spine.[3]
  • Must be greater 1.5 cm by definition.[4]


Microscopic

Features:[5]

  • Anastomosing bony trabeculae with:
    • Osteoblasts rimming.
      • Cells line-up at edge of bone.

Notes:

Images

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BONE, LEFT FEMUR, EXCISION:
- OSTEOBLASTOMA.

See also

References

  1. Khan, IS.; Thakur, JD.; Chittiboina, P.; Nanda, A.. "Large sacral osteoblastoma: a case report and review of multi-disciplinary management strategies.". J La State Med Soc 164 (5): 251-5. PMID 23362588.
  2. 2.0 2.1 Villalobos, CE.; Rybak, LD.; Steiner, GC.; Wittig, JC. (2010). "Osteoblastoma of the sternum--case report and review of the literature.". Bull NYU Hosp Jt Dis 68 (1): 55-9. PMID 20345366.
  3. Boriani, S.; Amendola, L.; Bandiera, S.; Simoes, CE.; Alberghini, M.; Di Fiore, M.; Gasbarrini, A. (Oct 2012). "Staging and treatment of osteoblastoma in the mobile spine: a review of 51 cases.". Eur Spine J 21 (10): 2003-10. doi:10.1007/s00586-012-2395-8. PMID 22695702.
  4. 4.0 4.1 Mills, Stacey E; Carter, Darryl; Greenson, Joel K; Oberman, Harold A; Reuter, Victor E (2004). Sternberg's Diagnostic Surgical Pathology (4th ed.). Lippincott Williams & Wilkins. pp. 286. ISBN 978-0781740517.
  5. Mills, Stacey E; Carter, Darryl; Greenson, Joel K; Oberman, Harold A; Reuter, Victor E (2004). Sternberg's Diagnostic Surgical Pathology (4th ed.). Lippincott Williams & Wilkins. pp. 285. ISBN 978-0781740517.