正常組織に類似する良性腫瘍 1 • Adipose tissue – Nevus lipomatosus superficial – Lipoma • Muscle tissue – Striated muscle • Rhabdomyoma – Smooth muscle • Leiomyoma – Smooth muscle hamartoma – Piloleiomyoma • Angioleiomyoma Nevus lipomatosus cutaneous superficialis 脂肪腫Lipoma 横紋筋層内脂肪腫 Lipoma, intramuscular 線維脂肪腫Fibrolipoma 紡錘形/多形細胞脂肪腫 Spindle /Pleomorphic cell lipoma 138 / 163