A 10-year-old female had complained of pain in the left thigh since she was 6-year-old. She had no significant prior medical or surgical history. Both axial T2-weighted Magnetic resonance imaging (MRI) and coronal fat-saturated enhanced T1-weighted MRI revealed heterogenous hyperintense within the skeletal muscle (Fig. a, b). The clinical diagnosis was VM. Restriction of the knee joint gradually appeared. Although sclerotherapy was attempted, no benefit was obtained. Additional ultrasonographic examination imaging showed an ill-defined hyperechoic intramuscular solid mass. Needle biopsy was performed, and VM was diagnosed. Then, surgical resection was performed.
A 29-year-old female patient had complained of discomfort and mild pain in the left shoulder since she was 18-year-old. After childbirth, she had severe ongoing pain and contracture of the shoulder. She had no significant prior medical or surgical history. Axial fat-saturated T2-weighted MRI revealed high signal intensity and sagittal T1-weighted MRI revealed low signal intensity within the muscle of the shoulder. (Fig. c, d). Under clinical diagnosis of VM, the lesion was resected.