Mustafa Turhan Sahin
Celal Bayar University
Turkey
Title: The dermoscopic story of targetoid hemosierotic hemangioma, also known as hobnail hemangioma
Biography
Biography: Mustafa Turhan Sahin
Abstract
Targetoidhemosiderotichemangioma (THH), alsoknown as hobnailhaemangioma, is a benign,solitary, targetoidvascularneoplasmoccurringpredominantlyon theproximalextremitiesandtrunk. Mostpatientsexhibit a typical, targetoidhaemangioma,whereby a small, solitary, purpleand/orbrownpapule is surroundedby an ecchymotic ring that canexpandorsubsequentlydisappearwithpersistence ofthecentralpapule. Thehalo, however, is not a constantfinding, thusthetermhobnailhaemangiomawascoinedtodescribethenon-targetoidvariant of THH. Duration of thelesionsrangesfrom 1 monthto 20years. Duringthis time, THH mayundergoepisodicandcyclicchanges in morphology.Dermoscopyhas beenscarcelyused in thediagnosisof THH. Here wedescribeourcases of targetoidhemosiderotichemangioma, ndstudytheirmonthlychangingdermoscopicalfindingstoshowthatthistechniquecould be useful in themonitoringanddifferentialdiagnosis of thisscarcelyreportedentity.