Questão 3208603

• Banca: Quadrix
• Órgão: FHGV
• Ano: 2019
• Provas: Quadrix - 2019 - FHGV - Médico Otorrinolaringologista
• Disciplina: Medicina
• Assuntos: Otorrinolaringologia

Na ressonância magnética, o “black turbinate sign” representa  

• A. rinossinusite fúngica invasiva.
• B. papiloma invertido. 
• C. angiofibroma nasal juvenil. 
• D. rinolito. 
• E. polipose nasossinusal.

Gabarito: A

Comentários

• The black turbinate sign refers to the non-enhancement of nasal turbinates in a patient with .

  Angioinvasive fungal infection (e.g. mucormycosis or aspergillosis) involves the nasal mucosa and causes infarction of the surrounding tissue. The infarcted tissue is non-enhancing on contrast-enhanced MRI and may show diffusion restriction . In comparison, non-infarcted inflamed mucosa shows contrast enhancement.