Intramuscular malignant granular cell tumor
- Cite this article as:
- Tsuchida, T., Okada, K., Itoi, E. et al. Skeletal Radiol (1997) 26: 116. doi:10.1007/s002560050204
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We describe a malignant granular cell tumor in the semimembranosus muscle of a 61-year-old woman. Magnetic resonance images disclosed a tumor with intermediate and low signal intensity on both T1- and T2-weighted images, measuring about 7×4×4 cm in size. The patient showed an uneventful clinical course during a 30-month follow-up period after the wide excision. The pertinent findings in making the diagnosis of malignant granular cell tumor are large size, intramuscular location, and mitosis including an atypical mitosis.