A case report of pyomyositis. Early diagnosis and follow-up by MRI

T. Ohira, Y. Watanabe, T. Mezaki, K. Machii, S. Kuzuhara

研究成果: Article査読

1 被引用数 (Scopus)


We report a rare case of pyomyositis in a 28 year-old Japanese woman who was not immunocompromised. She was admitted because of high fever, sore throat, and severe tenderness and swelling of the right calf. Redness, swelling, and tenderness indicated presense of acute inflammation in the calf. CT of the lower extremities demonstrated low density areas in the right soleus muscle and surrounding fascia with marked swelling, which were of high signal on T2 weighted images of MRI. There was no finding of abscess formation. A tentative clinical diagnosis of acute pyomyositis was made, and antibiotics therapy with a combination of fosfomycin and sulbactam/cefoperazone was started although the arterial blood culture was negative for bacteria. Associated acute tonsilitis was the most probable focus of pyomyositis. Antibiotics relieved her symptoms, and the inflammation subsided in several weeks. No surgical procedure was necessary. MRI taken three weeks after the onset demonstrated abscess formation between the soleus and gastrocnemius muscles. Slight high intensity indicating scar formation remained in the area of the former abscesssix weeks after the onset. MRI was very useful not only in making the early diagnosis but also in the follow-up of pyomyositis.

ジャーナルClinical Neurology
出版ステータスPublished - 1995 1月 1

ASJC Scopus subject areas

  • 臨床神経学


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