GPR: 2020 - Week 38

From MGH Learn Pathology

Clinical history

10 year old male with parietal skull mass.


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Hemangioma
  • Most common vascular tumor of bone
  • 'Starburst' appearing on imaging (especially in skull, spine)
  • Can expand bone
  • Dark-red, spongy cut surface
 

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Epithelioid hemangioendothelioma (EHE)

  • Usually extremities, pelvis, spine
  • Well-circumscribed with irregular borders
  • Firm, tan-white
  • Lacks prominent hemorrhagic appearance
 

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Aneurysmal bone cyst

  • Typically 1st and 2nd decades
  • Extremities, posterior elements of vertebra, craniofacial skeleton, pelvis, scapula
  • Multiloculated; fluid-fluid levels on imaging
  • Blood-filled cystic spaces with thin septa
  • Thin shell of reactive bone
  • +/- solid areas
 

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Angiosarcoma

  • Usually older adults, appendicular skeleton
  • Irregular borders, destructive
  • Hemorrhagic
  • Tumor necrosis
 



This week's Gross Pathology Roundup was presented by Daniel Shepherd, MD, PhD on Mon, Sep 14, 2020.