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Piriformis-Syndrom

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Definition:
Reizung des N. ischiadicus durch den M. piriformis.
Häufigkeit:
Verantwortlich für bis zu 6 % aller Ischias-Beschwerden.
Symptome:
Typischerweise gluteale Schmerzen mit Schmerzaggravation beim Sitzen.
Befunde:
Ausschlussdiagnose. Häufig schmerzhafte Verhärtungen im M. piriformis palpabel.
Diagnostik:
Bildgebende Diagnostik ist nur zur Ausschlussdiagnostik sinnvoll.
Therapie:
Multimodale konservative Therapie mit Injektion von Lokalanästhetikum.
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  • Lino Witte, Dr. med., Arzt in Weiterbildung, Innere Medizin, Frankfurt
  • Terje Johannessen, professor i allmennmedisin, Institutt for samfunnsmedisinske fag, Norges teknisk-naturvitenskapelige universitet, Trondheim