Self-assessment case
#98-73.423
Young boy.
Long-standing bald spot on the head.
Clinical diagnosis: scar, fibrous histiocytoma.
Histological diagnosis (tentative): Angiosarcoma. Points to ponder: Children very
rarely have angiosarcoma of the skin. Besides, these bizarre cells are negative for all
endothelial markers but positive for EMA (not shown).
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Diagnosis: Meningeal hamartoma of the scalp
If you want to know more about this
rare condition:
Suster S. and Rosai
J. (1990)
Hamartoma of the scalp with ectopic
meningothelial elements.
A distinctive benign soft tissue lesion that may simulate angiosarcoma.
Am J Surg Pathol 14: 1-11
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Aktualisierung
18.01.2008 18:30
