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Intermuscular cavernous lymphangioma presenting with overgrowth of fat: MRI findings
Min-Szu Yao1, Shen-Chi Wu, Wei-Yu Chen
1Department of Radiology, Taipei Medical University-Municipal Wan Fang Hospital, 111, Hsing-Long Road, Section 3 Taipei 116, Taiwan, ROC.
Abstract:
We present a case of an intermuscular cavernous lymphangioma with predominantly composed of fatty tissue. A 58-year-old man complained a palpable painless mass over his right arm for 1 month. Magnetic resonance imaging (MRI) showed a 14-cm mass with predominantly composed of fatty tissue between long and short heads of triceps muscle. There were some serpiginous structures with hyperintensity within the tumors on gradient-echo and gadolinium enhanced T1-weighted images. Histologic examination revealed a picture of intermuscular angioma predominantly composed of cavernous lymphangioma.